QEHL laboratory

Laboratory evidence connected to the environmental decision.

QEHL is ESL’s ISO/IEC 17025 accredited laboratory. One connected ESL team links food, water, wastewater and environmental testing with sampling, monitoring, interpretation and consulting support.

One connected ESL team

From the sample to the decision

Plan→Sample→Test→Interpret→Act

Parameter finder

Find a testing capability

Search the current reconciled laboratory list by parameter or testing area. Exact matrices and methods are confirmed during quotation.

244 parameter–matrix–method records127 accredited-parameter records27 QEHL records outside scope90 subcontracted records

Search parameters, matrices or methods

Testing area

244 matching records

Metals · QEHL in-house

Aluminium

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Arsenic

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Barium

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Beryllium

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Cadmium

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Calcium

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Chromium

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Cobalt

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Copper

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Iron

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Lead

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Magnesium

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Manganese

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Nickel

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Potasssium

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

QEHL testing outside accredited scope

Metals · QEHL in-house

Selenium

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Sodium

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Thallium

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

QEHL testing outside accredited scope

Metals · QEHL in-house

Vanadium

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Zinc

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: ICP-OES — EPA Method 200.7

Hold time: 6 months once preserved; 7 days unpreserved

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Sodium Absorption Ratio

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Calculation — N/A

Hold time: N/A

QEHL testing outside accredited scope

Metals · QEHL in-house

Total Hardness (Calc.)

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Calculation — SM 2340 B

Hold time: N/A

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Calcium Hardness

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Calculation — SM 2340 B

Hold time: N/A

Accredited parameter — confirm matrix/method

Metals · QEHL in-house

Magnesium Hardness

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Calculation — SM 2340 B

Hold time: N/A

Accredited parameter — confirm matrix/method

Organics/ Oil & Grease · QEHL in-house

Oil & Grease

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Extraction & Gravimetry — EPA 1664 B

Hold time: 28 days once preserved

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Ammonia as Nitrogen

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Wastewater, Groundwater

Method: Colorimetric, Automated Phenate — SEAL Method EPA 150

Hold time: 28 days once preserved

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Ammonia as Nitrogen

Matrix: Marine Water

Method: Automated Colorimetric — SEAL Method SEA 548

Hold time: 28 days once preserved

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Total Alkalinity

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Indicator Titration — SM 2320 B

Hold time: 14 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

p-Alkalinity

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Indicator Titration — SM 2320 B

Hold time: 14 days

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Carbonate Alkalinity

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Indicator Titration — SM 2320 B

Hold time: 14 days

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Bicarbonate Alkalinity

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Indicator Titration — SM 2320 B

Hold time: 14 days

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Hydroxide Alkalinity

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Indicator Titration — SM 2320 B

Hold time: 14 days

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Total Alkalinity

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Colorimetric, Automated Methyl Orange — SEAL Method EPA 100

Hold time: 14 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Total Alkalinity

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Colorimetric, Automated Methyl Orange — SEAL Method EPA 101

Hold time: 14 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Total Alkalinity

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Colorimetric, Automated Methyl Orange — SEAL Method EPA 102

Hold time: 14 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Apparent Colour

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Platinum-Cobalt Standard Method — H 8025

Hold time: 48 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

True Colour

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Platinum-Cobalt Standard Method — H 8025

Hold time: 48 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Biochemical Oxygen Demand

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Dilution Method — H 8043

Hold time: 48 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Biochemical Oxygen Demand

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Dilution Method — SM 5210 B

Hold time: 48 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Chemical Oxygen Demand

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Dichromate Method — H 8000

Hold time: 28 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Chemical Oxygen Demand

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Dichromate Method — H 8000

Hold time: 28 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Chloride

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Argentometric Method — SM 4500 Cl- B

Hold time: 28 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Chloride

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Argentometric Method — H 8225

Hold time: 28 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Chloride

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Mercuric Nitrate Method — H 8206

Hold time: 7 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Chloride

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Automated Ferricyanide Method — SEAL Method EPA 124

Hold time: 28 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Conductivity

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Direct Meter Reading — SM 2510 B

Hold time: 24 hours

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Conductivity

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Direct Meter Reading — SM 2510 B

Hold time: 24 hours

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Cyanuric Acid

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Turbidimetric Method — H 8139

Hold time: 24 hours

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Dissolved Oxygen

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Luminescence Measurement — DR

Hold time: 24 hours

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Dissolved Oxygen

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Polarographic/ Galvanic Method — DR

Hold time: 24 hours

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Free Chlorine

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: DPD Spectrophotometric Method — H 8021

Hold time: 24 hours

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Free Chlorine

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Visual Comparison Technique — Hach Test Kit CN-66 Cl2, Free

Hold time: 24 hours

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Total Chlorine

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: DPD Spectrophotometric Method — H 8021

Hold time: 24 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Total Chlorine

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Visual Comparison Technique — Hach Test Kit CN-66 Cl2, Total

Hold time: 24 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Nitrate and Nitrite as Nitrogen

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Wastewater, Groundwater

Method: Automated Colorimetry — SEAL Method EPA 113

Hold time: 24 hours; 48 hours if filtered. 28 days if preserved with sulfuric acid

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Nitrate and Nitrite

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Wastewater, Groundwater

Method: Automated Colorimetry — SEAL Method EPA 114

Hold time: 24 hours; 48 hours if filtered. 28 days if preserved with sulfuric acid

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Nitrate as Nitrogen

Matrix: Marine Water

Method: Automated Colorimetry — SEAL Method SEA 527

Hold time: 24 hours; 48 hours if filtered. 28 days if preserved with sulfuric acid

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Nitrate

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Cadmium Reduction — H 8192

Hold time: 24 hours; 48 hours if filtered. 28 days if preserved with sulfuric acid

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Nitrate as Nitrogen

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Cadmium Reduction — H 8192

Hold time: 24 hours; 48 hours if filtered. 28 days if preserved with sulfuric acid

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Nitrate as Nitrogen

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Cadmium Reduction — H 8039

Hold time: 24 hours; 48 hours if filtered. 28 days if preserved with sulfuric acid

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Nitrate

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Cadmium Reduction — H 8039

Hold time: 24 hours; 48 hours if filtered. 28 days if preserved with sulfuric acid

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Nitrite

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Diazotization Method — H 8507

Hold time: 48 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Nitrite as Nitrogen

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Diazotization Method — H 8507

Hold time: 48 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Nitrite as Nitrogen

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Automated Colorimetry — SEAL Method EPA 115

Hold time: 48 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Nitrite as Nitrogen

Matrix: Marine Water

Method: Automated Colorimetry — SEAL Method SEA 516

Hold time: 48 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Orthophosphate

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Ascorbic Acid Method — H 8048

Hold time: 24 hours; 48 hours If filtered

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Orthophosphate as Phosphorus

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Ascorbic Acid Method — H 8048

Hold time: 24 hours; 48 hours If filtered

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Orthophosphate

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Automated Colorimetry — SEAL Method EPA 146

Hold time: 48 hours

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Orthophosphate as Phosphorus

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Automated Colorimetry — SEAL Method EPA 146

Hold time: 48 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Orthophosphate as Phosphorus

Matrix: Marine Water

Method: Automated Colorimetry — SEAL Method SEA 156

Hold time: 48 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Phenols

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: 4-Aminoantipyrine Method — H 8047

Hold time: 4 hours

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Salinity

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Direct Meter Reading — SM 2520 B

Hold time: 24 hours

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Settleable Solids

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Volumetric Analysis — SM 2540 F

Hold time: 48 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Sulfate

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Barium Chloride Turbidimetric Method — H 8051

Hold time: 28 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Sulfate

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Automated Turbidimetric Method — SEAL EPA Method 165

Hold time: 28 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Total Dissolved Solids

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Direct Meter Reading — SM 2510 B

Hold time: 24 hours

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Total Dissolved Solids

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Direct Meter Reading — SM 2510 B

Hold time: 24 hours

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Total Dissolved Solids

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Gravimetry — SM 2540 C

Hold time: 7 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Total Dissolved Solids

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Gravimetry — SM 2540 B & D

Hold time: 7 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Temperature

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Direct Meter Reading — DR

Hold time: 24 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Total Hardness (EDTA)

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Indicator Titration — SM 2340 C

Hold time: 6 months once preserved

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Total Nitrogen

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Persulfate Digestion — SM 4500 N-C & H 8039

Hold time: 28 days once preserved

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Total Nitrogen

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Persulfate Digestion — H 10071

Hold time: 28 days once preserved

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Total Phosphorus

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Acid Persulfate Digestion — SM 4500B-5 & H 8048

Hold time: 28 days once preserved

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Total Phosphorus

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Acid Persulfate Digestion — H 8190

Hold time: 28 days once preserved

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Total Residual Oxidants

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Direct Meter Reading — DR

Hold time: 24 hours

QEHL testing outside accredited scope

General Chemistry · QEHL in-house

Total Solids

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Gravimetric method — SM 2540 B

Hold time: 7 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Total Suspended Solids

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Gravimetry — SM 2540 D

Hold time: 7 days

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

Turbidity

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Nephelometry — EPA 180.1

Hold time: 48 hours

Accredited parameter — confirm matrix/method

General Chemistry · QEHL in-house

pH

Matrix: Trade Effluent, Surface Water, Potable Water, Recreational Water, Surface Water, Marine Water, Wastewater, Groundwater

Method: Direct Meter Reading — SM 4500 H+

Hold time: 15 minutes

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Coliform

Matrix: Potable Water

Method: SM 9221

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Faecal Coliform

Matrix: Potable Water

Method: SM 9221

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Escherichia coli

Matrix: Potable Water

Method: SM 9221

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Coliform

Matrix: Wastewater

Method: SM 9221

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Faecal Coliform

Matrix: Wastewater

Method: SM 9221

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Escherichia coli

Matrix: Wastewater

Method: SM 9221

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Coliform

Matrix: Potable Water

Method: SM 9222

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Faecal Coliform

Matrix: Potable Water

Method: SM 9222

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Escherichia coli

Matrix: Potable Water

Method: SM 9222

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Coliform

Matrix: Potable Water

Method: SM 9222

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Faecal Coliform

Matrix: Potable Water

Method: SM 9222

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Escherichia coli

Matrix: Potable Water

Method: SM 9222

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Coliform

Matrix: Sludge

Method: SM 9221

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Faecal Coliform

Matrix: Sludge

Method: SM 9221

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Escherichia coli

Matrix: Sludge

Method: SM 9221

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Coliform

Matrix: Solid Food

Method: MFHPB 19

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Faecal Coliform

Matrix: Solid Food

Method: MFHPB 19

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Escherichia coli

Matrix: Solid Food

Method: MFHPB 19

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Coliform

Matrix: Liquid Food

Method: MFHPB 19

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Faecal Coliform

Matrix: Liquid Food

Method: MFHPB 19

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Escherichia coli

Matrix: Liquid Food

Method: MFHPB 19

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Coliform

Matrix: Solid Food

Method: BAM Chapter 4

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Coliform

Matrix: LiquidFood

Method: BAM Chapter 4

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Coliform

Matrix: Solid Food

Method: MFHPB 34

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Escherichia coli

Matrix: Solid Food

Method: MFHPB 34

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Coliform

Matrix: Liquid Food

Method: MFHPB 34

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Escherichia coli

Matrix: Liquid Food

Method: MFHPB 34

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Coliform

Matrix: Surface

Method: MFHPB 34

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Escherichia coli

Matrix: Surface

Method: MFHPB 34

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Aerobic Plate Count

Matrix: Water

Method: SM 9215 B

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Aerobic Plate Count

Matrix: Solid Food

Method: MFHPB 33

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Aerobic Plate Count

Matrix: Liquid Food

Method: MFHPB 33

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Aerobic Plate Count

Matrix: Surface

Method: MFHPB 33

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Aerobic Plate Count

Matrix: Solid Food

Method: BAM Chatper 3

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Aerobic Plate Count

Matrix: Liquid Food

Method: BAM Chatper 3

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Aerobic Plate Count

Matrix: Solid Food

Method: MFHPB 18

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Total Aerobic Plate Count

Matrix: Liquid Food

Method: MFHPB 18

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Yeast and Mould Count

Matrix: Solid Food

Method: MFHPB 32

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Yeast and Mould Count

Matrix: Liquid Food

Method: MFHPB 32

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Yeast and Mould Count

Matrix: Solid Food

Method: MFHPB 22

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Yeast and Mould Count

Matrix: Liquid Food

Method: MFHPB 22

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Yeast and Mould Count

Matrix: Surface

Method: MFHPB 32

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Salmonella spp. Detection

Matrix: Solid Food

Method: Reveal 2.0

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Salmonella spp. Detection

Matrix: Solid Food

Method: MFHPB 20

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Salmonella spp. Detection

Matrix: Liquid Food

Method: Reveal 2.0

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Salmonella spp. Detection

Matrix: Liquid Food

Method: MFHPB 20

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Salmonella spp. Detection

Matrix: Surface

Method: Reveal 2.0

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Salmonella spp. Detection

Matrix: Surface

Method: MFHPB 20

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Listeria sp. Detection

Matrix: Solid Food

Method: Reveal 2.0 for Listeria

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Listeria monocytogenes Detection

Matrix: Solid Food

Method: BAM Chapter 10

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Listeria sp. Detection

Matrix: Liquid Food

Method: Reveal 2.0 for Listeria

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Listeria monocytogenes Detection

Matrix: Liquid Food

Method: BAM Chapter 10

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Listeria sp. Detection

Matrix: Surface

Method: Reveal 2.0 for Listeria

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Listeria monocytogenes Detection

Matrix: Surface

Method: BAM Chapter 10

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Enterococci

Matrix: Potable Water

Method: SM 9230B

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Enterococci

Matrix: Non-Potable Water

Method: SM 9230B

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Psuedomonas aeruginosa

Matrix: Potable Water, Non-Potable Water

Method: SM 9213F

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Staphylococcus aureus Count

Matrix: Solid Food

Method: MFLP-21

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Staphylococcus aureus Count

Matrix: Liquid Food

Method: MFLP-21

Hold time: -

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Staphylococcus aureus Count

Matrix: Surface

Method: MFLP-21

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Faecal Streptococci

Matrix: Potable Water

Method: SM 9230B

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

Faecal Streptococci

Matrix: Non-Potable Water

Method: SM 9230B

Hold time: 24 Hours

Accredited parameter — confirm matrix/method

Microbiology · QEHL in-house

pH

Matrix: Solid Food, Liquid Food

Method: ESLLAB WI M4

Hold time: -

Accredited parameter — confirm matrix/method

Metals · Managed subcontracted testing

Aluminium

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Arsenic

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Barium

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Beryllium

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Cadmium

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Calcium

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Chromium

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Cobalt

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Copper

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Iron

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Lead

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Magnesium

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Manganese

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Nickel

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Potasssium

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Selenium

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Sodium

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Thallium

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Vanadium

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Zinc

Matrix: Matrix confirmed during quotation

Method: ICP-OES

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Sodium Absorption Ratio

Matrix: Matrix confirmed during quotation

Method: Calculation

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Total Hardness (Calc.)

Matrix: Matrix confirmed during quotation

Method: Calculation

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Calcium Hardness

Matrix: Matrix confirmed during quotation

Method: Calculation

Subcontracted — accreditation confirmed when quoted

Metals · Managed subcontracted testing

Magnesium Hardness

Matrix: Matrix confirmed during quotation

Method: Calculation

Subcontracted — accreditation confirmed when quoted

Organics/ Oil & Grease · Managed subcontracted testing

Oil & Grease

Matrix: Matrix confirmed during quotation

Method: Extraction & Gravimetry

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Ammonia as Nitrogen

Matrix: Matrix confirmed during quotation

Method: Colorimetric, Automated Phenate

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Ammonia as Nitrogen

Matrix: Matrix confirmed during quotation

Method: Automated Colorimetric

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Alkalinity

Matrix: Matrix confirmed during quotation

Method: Indicator Titration

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

p-Alkalinity

Matrix: Matrix confirmed during quotation

Method: Indicator Titration

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Carbonate Alkalinity

Matrix: Matrix confirmed during quotation

Method: Indicator Titration

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Bicarbonate Alkalinity

Matrix: Matrix confirmed during quotation

Method: Indicator Titration

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Hydroxide Alkalinity

Matrix: Matrix confirmed during quotation

Method: Indicator Titration

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Alkalinity

Matrix: Matrix confirmed during quotation

Method: Colorimetric, Automated Methyl Orange

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Alkalinity

Matrix: Matrix confirmed during quotation

Method: Colorimetric, Automated Methyl Orange

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Alkalinity

Matrix: Matrix confirmed during quotation

Method: Colorimetric, Automated Methyl Orange

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Apparent Colour

Matrix: Matrix confirmed during quotation

Method: Platinum-Cobalt Standard Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

True Colour

Matrix: Matrix confirmed during quotation

Method: Platinum-Cobalt Standard Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Biochemical Oxygen Demand

Matrix: Matrix confirmed during quotation

Method: Dilution Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Biochemical Oxygen Demand

Matrix: Matrix confirmed during quotation

Method: Dilution Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Chemical Oxygen Demand

Matrix: Matrix confirmed during quotation

Method: Dichromate Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Chemical Oxygen Demand

Matrix: Matrix confirmed during quotation

Method: Dichromate Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Chloride

Matrix: Matrix confirmed during quotation

Method: Argentometric Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Chloride

Matrix: Matrix confirmed during quotation

Method: Argentometric Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Chloride

Matrix: Matrix confirmed during quotation

Method: Mercuric Nitrate Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Chloride

Matrix: Matrix confirmed during quotation

Method: Automated Ferricyanide Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Conductivity

Matrix: Matrix confirmed during quotation

Method: Direct Meter Reading

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Conductivity

Matrix: Matrix confirmed during quotation

Method: Direct Meter Reading

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Cyanuric Acid

Matrix: Matrix confirmed during quotation

Method: Turbidimetric Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Dissolved Oxygen

Matrix: Matrix confirmed during quotation

Method: Luminescence Measurement

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Dissolved Oxygen

Matrix: Matrix confirmed during quotation

Method: Polarographic/ Galvanic Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Free Chlorine

Matrix: Matrix confirmed during quotation

Method: DPD Spectrophotometric Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Free Chlorine

Matrix: Matrix confirmed during quotation

Method: Visual Comparison Technique

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Chlorine

Matrix: Matrix confirmed during quotation

Method: DPD Spectrophotometric Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Chlorine

Matrix: Matrix confirmed during quotation

Method: Visual Comparison Technique

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Nitrate and Nitrite as Nitrogen

Matrix: Matrix confirmed during quotation

Method: Automated Colorimetry

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Nitrate and Nitrite

Matrix: Matrix confirmed during quotation

Method: Automated Colorimetry

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Nitrate as Nitrogen

Matrix: Matrix confirmed during quotation

Method: Automated Colorimetry

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Nitrate

Matrix: Matrix confirmed during quotation

Method: Cadmium Reduction

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Nitrate as Nitrogen

Matrix: Matrix confirmed during quotation

Method: Cadmium Reduction

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Nitrate as Nitrogen

Matrix: Matrix confirmed during quotation

Method: Cadmium Reduction

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Nitrate

Matrix: Matrix confirmed during quotation

Method: Cadmium Reduction

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Nitrite

Matrix: Matrix confirmed during quotation

Method: Diazotization Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Nitrite as Nitrogen

Matrix: Matrix confirmed during quotation

Method: Diazotization Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Nitrite as Nitrogen

Matrix: Matrix confirmed during quotation

Method: Automated Colorimetry

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Nitrite as Nitrogen

Matrix: Matrix confirmed during quotation

Method: Automated Colorimetry

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Orthophosphate

Matrix: Matrix confirmed during quotation

Method: Ascorbic Acid Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Orthophosphate as Phosphorus

Matrix: Matrix confirmed during quotation

Method: Ascorbic Acid Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Orthophosphate

Matrix: Matrix confirmed during quotation

Method: Automated Colorimetry

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Orthophosphate as Phosphorus

Matrix: Matrix confirmed during quotation

Method: Automated Colorimetry

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Orthophosphate as Phosphorus

Matrix: Matrix confirmed during quotation

Method: Automated Colorimetry

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Phenols

Matrix: Matrix confirmed during quotation

Method: 4-Aminoantipyrine Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Salinity

Matrix: Matrix confirmed during quotation

Method: Direct Meter Reading

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Settleable Solids

Matrix: Matrix confirmed during quotation

Method: Volumetric Analysis

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Sulfate

Matrix: Matrix confirmed during quotation

Method: Barium Chloride Turbidimetric Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Sulfate

Matrix: Matrix confirmed during quotation

Method: Automated Turbidimetric Method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Dissolved Solids

Matrix: Matrix confirmed during quotation

Method: Direct Meter Reading

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Dissolved Solids

Matrix: Matrix confirmed during quotation

Method: Direct Meter Reading

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Dissolved Solids

Matrix: Matrix confirmed during quotation

Method: Gravimetry

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Dissolved Solids

Matrix: Matrix confirmed during quotation

Method: Gravimetry

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Temperature

Matrix: Matrix confirmed during quotation

Method: Direct Meter Reading

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Hardness (EDTA)

Matrix: Matrix confirmed during quotation

Method: Indicator Titration

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Nitrogen

Matrix: Matrix confirmed during quotation

Method: Persulfate Digestion

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Nitrogen

Matrix: Matrix confirmed during quotation

Method: Persulfate Digestion

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Phosphorus

Matrix: Matrix confirmed during quotation

Method: Acid Persulfate Digestion

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Phosphorus

Matrix: Matrix confirmed during quotation

Method: Acid Persulfate Digestion

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Residual Oxidants

Matrix: Matrix confirmed during quotation

Method: Direct Meter Reading

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Solids

Matrix: Matrix confirmed during quotation

Method: Gravimetric method

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Total Suspended Solids

Matrix: Matrix confirmed during quotation

Method: Gravimetry

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

Turbidity

Matrix: Matrix confirmed during quotation

Method: Nephelometry

Subcontracted — accreditation confirmed when quoted

General Chemistry · Managed subcontracted testing

pH

Matrix: Matrix confirmed during quotation

Method: Direct Meter Reading

Subcontracted — accreditation confirmed when quoted

Sampling · QEHL in-house

Sampling

Matrix: Coverage is controlled by the current accredited scope

Accredited parameter — confirm matrix/method

The catalogue preserves separate method and matrix records. “Accredited parameter” means the parameter appears on the supplied accreditation list; the exact matrix and method must still be confirmed against the current scope. Subcontracted services are not represented as QEHL-accredited testing.

Turnaround planning

Standard turnaround is currently planned at 10 business days. Rush work may be available from a minimum of one business day depending on the parameter and additional cost. Subcontracted testing may require 3–4 weeks.

Accreditation stated precisely

QEHL is an ISO/IEC 17025 accredited laboratory. Accreditation applies only to the parameter, matrix and method combinations supported by the current scope or applicable extension letter.

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