Sample Container and Preservation Guidelines
| Analysis/Constituent | Container | Preservation | Holding Time |
| Total Suspended Solids, Oil & Grease, Electrical Conductivity, pH | TSS- one liter, plastic Oil&Grease-1000ml glass EC- 500ml plastic pH- 500ml plastic or glass | TSS- Cool, 4 C Oil&Grease-H2SO4, pH<2; Cool, 4 C EC- Cool, 4 C pH- Cool, 4 C | TSS- 7 days Oil&Grease- 28 days EC- 28 days pH- 2 hours |
| Sampling Instructions:A Chain of Custody(COC)form, listing all samples, date and time sampled, and analysis requested should be filled out by the Sampler. This COC form should accompany the samples to the testing laboratory. Click Here For Environmental Sampling Procedures |
For More Environmental Services Information Contact:
Environmental Customer Services Phone: (805)392-2000 envcustservices@fglinc.com
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