|
PRESERVATION & SAMPLE SIZE
REQUIREMENTS
WATER & WASTEWATER ANALYSIS
-
INDIVIDUAL
CHEMICAL TESTS
|
TEST
|
VOLUME
|
|
CONTAINER
|
|
PRESERVATION
|
HOLD TIME
|
|
Alkalinity
|
100 mL
|
|
P ,G
|
|
Cool, 4C
|
14 days
|
|
Biochemical Oxygen Demand
|
1000 mL
|
|
P, G
|
|
Cool, 4C
|
48 hours
|
|
Bicarbonate
|
100 mL
|
|
P, G
|
|
Cool, 4C
|
14 days
|
|
Carbonate
|
100 mL
|
|
P, G
|
|
Cool, 4C
|
14 days
|
|
Chemical Oxygen Demand
|
50 mL
|
|
P, G
|
|
Cool, 4C, H2SO4 to pH < 2
|
28 days
|
|
Chloride
|
100 mL
|
|
P, G
|
|
Cool, 4C
|
28 days
|
|
Chlorine (Total Residual)
|
200 mL
|
|
P, G
|
|
None Required
|
Immediate
|
|
Chlorine (Free Residual)
|
200 mL
|
|
P, G
|
|
None Required
|
Immediate
|
|
Color
|
50 mL
|
|
P, G
|
|
Cool, 4C
|
48 hours
|
|
Conductance
|
100 mL
|
|
P, G
|
|
Cool, 4C
|
28 days
|
|
Cyanide
|
1000 mL
|
|
P, G
|
|
Cool, 4C, NaOH to pH 12, 0.6g ascorbic
|
14 days
|
|
Hardness
|
100mL
|
|
P, G
|
|
HNO3 to pH <2
|
6 months
|
|
Nitrogen, Ammonia
|
400 mL
|
|
P, G
|
|
Cool, 4C, H2SO4 to pH <2
|
28 days
|
|
Nitrogen, Nitrate
|
100 mL
|
|
P, G
|
|
Cool, 4C, H2SO4 to pH <2
|
14 days
|
|
Nitrogen, Nitrite
|
100 mL
|
|
P, G
|
|
Cool, 4C 4
|
48 hours
|
|
Nitrogen, Nitrate/Nitrite
|
200 mL
|
|
P, G
|
|
Cool, 4C
|
14 days
|
|
Nitrogen, Organic
|
1000 mL
|
|
P, G
|
|
Cool, 4C, H2SO4 to pH <2
|
28 days
|
|
Nitrogen, Total (TKN)
|
500 mL
|
|
P, G
|
|
Cool, 4C, H2SO4 to pH <2
|
28 days
|
|
Oil & Grease
|
1000 mL
|
|
G only
|
|
Cool, 4C, H2SO4 to pH <2
|
28 days
|
|
Ph
|
25 mL
|
|
P, G
|
|
None Required
|
Immediate
|
|
Sulfate (as S)
|
100mL
|
|
P, G
|
|
Cool, 4C
|
28 days
|
|
Phosphorus, Ortho
|
50 mL
|
|
P, G
|
|
Filter, Cool,4 C
|
48 hours
|
|
Phosphorus, Total
|
50 mL
|
|
P, G
|
|
Cool, 4C, H2SO4 to pH <2
|
28 days
|
|
Solids, Dissolved
|
100 mL
|
|
P, G
|
|
Cool, 4C
|
7 days
|
|
Solids, Settleable
|
100 mL
|
|
P, G
|
|
Cool, 4C
|
48 hours
|
|
Solids, Suspended
|
100 mL
|
|
P, G
|
|
Cool, 4C
|
7 days
|
|
Solids, Total
|
100 mL
|
|
P, G
|
|
Cool, 4C
|
7 days
|
|
Solids, Volatile
|
100 mL
|
|
P, G
|
|
Cool, 4C
|
7 days
|
|
Turbidity
|
100 mL
|
|
P, G
|
|
Cool, 4C
|
48 hours
|
|
Total Dissolved Salts
|
100 mL
|
|
P, G
|
|
Cool, 4C
|
28 days
|
HEAVY METALS &
MINERALS IN LIQUID SAMPLES
|
TEST
|
VOLUME
|
|
CONTAINER
|
|
PRESERVATION
|
HOLD TIME
|
|
Aluminum
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Antimony
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Arsenic
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Barium
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Boron
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Cadmium
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Calcium
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Chromium
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Cobalt
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Copper
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Gold
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Iron
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Lead
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Magnesium
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Manganese
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Mercury
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
28 days
|
|
Molybdenum
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Nickel
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Phosphorus
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Platinum
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Potassium
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Selenium
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Silver
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Sodium
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Tin
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
|
Zinc
|
100 mL
|
|
P , G
|
|
HNO3 to pH < 2
|
6 months
|
PESTICIDES &
HERBICIDES
Samples submitted for any pesticide or herbicide
analysis should be collected in glass only.
All samples
should be cooled to four degrees C. A volume of one liter is
required for extraction.
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