Parameter
|
Sample Size/Container
|
Preservative
|
Holding Time
|
|
Ammonia
|
1 Liter, Plastic
|
H2SO4, Cool
|
28 days
|
|
BOD/CBOD
|
1 Liter, Plastic
|
Cool
|
48 hours
|
|
BTEX-Water
|
40ml, EPA Vial
|
HCI, Cool
|
14 days
|
|
BTEX-Solid
|
4oz., Glass/Teflon Lid
|
Cool
|
14 days
|
|
COD
|
100ml, Plastic
|
H2SO4, Cool
|
28 days
|
|
Chloride-Fluoride-Sulfate
|
100ml, Plastic
|
o
|
28 days
|
|
Chloride-Solid
|
4oz., Plastic
|
o
|
28 days
|
|
Hardness
|
100ml, Plastic
|
HNO3
|
6 months
|
|
Metals
|
1 Liter, Plastic
|
HNO3, Cool
|
6 months
|
|
Nitrate, Nitrite-Nitrogen
|
100ml, Plastic
|
Cool
|
48 hours
|
|
Oil & Grease
|
1 Liter, Plastic
|
H2SO4, Cool
|
14 days
|
|
Pesticides
|
1 Liter, Glass
|
Cool
|
7 days ext./40
|
|
pH
|
100ml, Plastic
|
Cool
|
Immediate
|
|
Sulfide
|
100ml, Plastic
|
Zn Acetate, NaOh
|
7 days
|
|
Solids
|
500ml, Plastic
|
Cool
|
7 days
|
|
TKN
|
1 Liter, Plastic
|
H2SO4, Cool
|
28 days
|
|
Total Coliforms
|
128ml, Sterile Plastic
|
Sodium Thiosulfate
|
48 hours
|
|
TRPH - Water
|
1 Liter, Glass
|
HCI, Cool
|
14 days
|
|
TRPH - Soil
|
4oz., Glass
|
Cool
|
14 days
|
|
Volatile Organics
|
240ml EPA Vial
|
HCI, Cool
|
14 days
|
|