§830.TABLE B. Sampling and Handling Requirements

Latest version.

Parameter	Container	Minimum	Preservation	Maximum
	Type	Sample		Storage
		Size		Time
		(ml)

Man-made
materials	P, G	1,000	Do not freeze	28 days
pH	P, G	50	Analyze immediately
Seed
Germination	P, G	1,000	Analyze immediately
Self-heating	P, G	4,000	Analyze immediately
Pathogens	P, G	500	Cool to 4° C		2 weeks
Inorganic	P(A), G(A)	500	Cool to 4° C		6 months

P = plastic; G = glass; G(A), P(A) = rinsed with acid cleaning solution (1

part water to 1 part concentrated HNO₃₎

                    
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