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This chart provides the correct container and preservative selection for environmental parameters. The AGAT sampling system ensures quality and simplicity.

PARAMETER
CONTAINER TYPE
HOLDING TIME
MINIMUM AMOUNT
PRESERVATIVE
INORGANIC - WATER
Ammonia PB 28 days 50 mL H2SO4
Anions/Cations PB 28 days 50 mL NA
Dissolved Oxygen BOD Bot. 6 hours 200 mL 2 see below
Chloride PB 28 days 50 mL NA
Hexavalent Chromium PB 5 days 50 mL NA
Conductivity PB 14 days 50 mL NA
Cyanide PB 7 days 50 mL NaOH
Mercury PB 28 days 50 mL 1 HNO3
Metals (Dissolved) PB 28 days 50 mL 1 HNO3
Metals (Total) PB 28 days 50 mL 1 HNO3
pH/Alkalinity PB 14 days 100 mL NA
Phenols AG 28 days 500 mL H2SO4
Phosphorous, Total PB 28 days 50 mL H2SO4
Total Kjeldahl Nitrogen PB 28 days 50 mL H2SO4
Total Inorganic Carbon PB 28 days 50 mL NA
Total Organic Carbon PB 28 days 50 mL H2SO4
Bacterial Analysis PB 30 hrs 300 mL Na2S2O3
Microtox CG, NH 3 days 250 mL NA
Sulphide PB 7 days 50 mL NaOH & ZnAc
BOD PB 48 hours 1000 mL NA
COD PB 7 days 500 mL NA
Reactive Silica PB 28 days 100 mL NA
Nitrate + Nitrite PB 7 days 50 mL NA
INORGANIC - SOIL
Ammonia P. Bag 28 days 100 g NA
Anions P. Bag 28 days 200 g NA
Cations P. Bag 28 days 200 g NA
Chloride P. Bag 28 days 200 g NA
Hexavalent Chromium P. Bag 28 days 50 g NA
Conductivity P. Bag 28 days 200 g NA
Cyanide P. Bag 14 days 50 g NA
Mercury P. Bag 3 mths 50 g NA
Metals P. Bag 3 mths 50 g NA
Nitrate + Nitrite P. Bag 7 days 200 g NA
pH P. Bag 3 mths 200 g NA
Phenols P. Bag 28 days 100 g NA
Phosphorous, Total P. Bag 28 days 100 g NA
Total Kjeldahl Nitrogen P. Bag 28 days 100 g NA
Total Inorganic Carbon P. Bag 28 days 100 g NA
Total Organic Carbon P. Bag 28 days 100 g NA
Bacterial Analysis CG 7 days 100 g NA
Microtox CG, NH 3 days 200 g NA
ORGANIC WATER
BTEX/F1/TPgH/VOCs AG, NH 7 days 3 X 40 mL NaHSO4
F2-F4/TEH/C60   AG   14 days 2 X 250 mL NA
sVOC/PAH/PCB AG, NH   7 days 1 L NA
Oil and Grease AG   28 days 250 mL HCl
Sterilants/Alcohols/Pests AG   14 days 1 L NA
Sulfolane/Amines AG   7 days 1 L NA
Napthenic Acids/Glycols AG   14 days 1 L NA
EOX/TOX AG   14 days 1 L NA
Dioxins and Furans AG   NA 2 X 1 L NA
ORGANIC SOIL
BTEX/F1/TPgH/VOCs CG, NH 7 days 50 g NA
F2-F4/TEH/C60   CG 14 days 50 g NA
sVOC/PAH/PCB CG, NH 7 days 50 g NA
Oil and Grease