Containers and Preservatives - Organics
Water
Volatile Organics |
Minimum Sample |
Container |
Holding Time |
Preservative |
EPA 8240/8260/624 |
3 x 40 mL |
EPA Septum Vials |
14 days |
*4 C, No Headspace |
Trihalomethanes |
3 x 40 mL |
EPA Septum Vials |
14 days |
*4 C, No Headspace |
BTEX and/or Purgeable Hydrocarbons |
3 x 40 mL |
EPA Septum Vials |
14 days |
*4 C, No Headspace |
Note*: Some jurisdictions recommend Sodium Thiosulphate preservation, especially with chlorinated water sources.
Semi-Volatile Organics |
Minimum Sample |
Container |
Holding Time |
Preservative |
Extractable Hydrocarbon Sources |
1000 mL |
PreCleaned Glass with Teflon Lids |
7 Days |
4 C |
PolyAromatic Hydrocarbons (PAHs) |
1000 mL |
PreCleaned Glass with Teflon Lids |
7 Days |
4 C |
Priority Pollutants EPA Screen (EPA 8270/625) |
2000 mL |
PreCleaned Glass with Teflon Lids |
7 Days |
4 C |
Pesticide/Herbicides (per screen) |
1000 mL |
PreCleaned Glass with Teflon Lids |
14 Days |
4 C |
Chlorophenols |
1000 mL |
PreCleaned Glass with Teflon Lids |
7 Days |
4 C |
Amines / Glycols |
3 x 40 mL |
EPA Septum Vials |
7 Days |
4 C |
Soil / Sediment
| Volatile Organics |
Minimum Sample (g) |
Container |
Holding Time |
Preservative |
| BTEX, Purgeables or EPA 8260 Screen |
50 |
PreCleaned Glass |
14 Days |
*4 C (no headspace) |
| Semi-Volatile Organics |
Minimum Sample (g) |
Container |
Holding Time |
Preservative |
Extractable Hydrocarbons and/or Oil & Grease (gravimetric) |
100 |
PreCleaned Glass |
14 Days |
4 C |
| |
|
|
|
|
Other Screens PAHs, Chlorophenols, PCBs, Pesticides/Herbicides, Amines & Glycols |
100 |
PreCleaned Glass |
14 Days |
4 C |
Note*: All samples should be kept cool and in the dark, but should not be frozen.