Sample Container and Preservation Guidelines
| Analysis/Constituent | Container | Preservation | Hold Time |
| Total Kjeldahl Nitrogen (TKN) | pint, plastic (HDPE) | 2 ml 1+1 H2SO4 | 28 days |
| 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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