Analysis/Constituent	Container	Preservation	Holding Time
Nitrate + Nitrite as N (NO3-N +NO-N)	500ml plastic	H2SO4, pH<2; Cool, 4 C	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:
Vickie Taylor Phone: (805)392-2010 vickiet@fglinc.com

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