| Category | Methods | Minimum Qty. | Recommended Containers | Required Preservation | Holding Time |
|---|---|---|---|---|---|
| Aqueous Samples | |||||
| Carbamate Pesticides (Drinking Water) | 531.1 | 60ml | 2 x 125 Glass Bottle w/ teflon liner | Cool to 4° C. Add Sodium Thiosulfate Adjust pH to 3 with Monochloracetic Acid Buffer | 28 Days |
| Organochlorine Pesticides & PCBs | 608/8080 | 1L | 2 x 1 L Amber Glass Bottle w/ Teflon Liner | Cool to 4° C. Check pH; Adjust 5-9 Remove Chlorine | 7 Days |
| Organochlorine Pesticides & PCBs (Drinking Water) | 508 | 1L | 2 x 1 L Amber Glass Bottle w/ Teflon Liner | Cool to 4° C. Add Sodium Thiosulfate | 7 Days |
| PCBs by Perchlorination (Drinking Water) | 508A | 1L | 2 x 1 L Amber Glass Bottle w/ Teflon Liner |
Cool to 4° C | 14 Days |
| Organohalide Pesticides & PCBs (Drinking Water) |
505 | 40 mL | 3 x 40 mL Glass Vials w/ teflon sapta caps |
Cool to 4° C. Add Sodium Thiosulfate | 7 Days |
| Organophosphorus Pesticides | 614/8140 | 1 L | 2 x 1 L Amber Glass Bottle w/ Teflon Liner |
Cool to 4° C. Check pH; Adjust 6-8. Remove Chlorine |
7 Days |
| Chlorinated Herbicides | 615/8150 | 1 L | 2 x 1 L Amber Glass Bottle w/ Teflon Liner |
Cool to 4° C. Remove Chlorine | 7 Days |
| Chlorinated Herbicides (Drinking Water) | 515.1 | 1 L | 2 x 1 L Amber Glass Bottle w/ Teflon Liner |
Cool to 4° C. Add Sodium Thiosulfate | 14 Days |
| Glyphosate (Drining Water | 547 | 40 mL | 2 x 40mL Glass Vial w/teflon liner | Cool to 4° C. Add Sodium Thiosulfate | 14 Days |
| Endothall (Drinking Water) | 548.1 | 100 mL | 2 x 125 mL Glass Bottle w/teflon liner | Cool to 4° C. HCl to pH <2 Add Sodium Thiosulfate |
7 Days |
| Diquat and Paraquat (Drinking Water) | 549.1 | 250 mL | 1 x 1 L Amber Glass Bottle w/teflon liner | Cool to 4° C. Sulphuric Acid to pH<2. Add Sodium Thiosulfate |
7 Days |
| EDB and DBCP (Drinking Water) | 504.1 | 40 mL | 3 x 40 mL Glass Vials w/teflon septa caps |
Cool to 4° C. HCl to ph <2. Add Sodium Thiosulfat |
28 Days |
| Solid Samples | |||||
| Organochlorine Pesticides & PCB’s | 8080 | 30 g | Glass Jar w/teflon liner | Cool to 4° C | 14 Days |
| Organophosphorus Pesticides | 8140 | 30 g | Glass Jar w/teflon liner | Cool to 4° C | 14 Days |
| Herbicides | 8150 | 30 g | Glass Jar w/teflon liner | Cool to 4° C | 14 Days |
| EDB and DBCP | 8260 | 10 g | Glass Jar w/teflon liner | Cool to 4° C | 14 Days |