PRESERVATION AND HOLDING TIMES

METALS

(Click here to view or download this information in PDF format.)

Parameter	Matrix	Prep Method	Analytical Method	Holding Time5	Minimum Volume	Sampling
						Container	Preservative7
Cations	Water	EPA 3010A	EPA 6010B	6 mo	100 mL	250mL P	HNO3
		EPA 200.7	EPA 200.7	6 mo	100 mL	250mL P	HNO3
		EPA 200.8	EPA 6020	6 mo	100 mL	250mL P	HNO3
		EPA 200.8	EPA 200.8	6 mo	100 mL	250mL P	HNO3
	Soil	EPA 3050B	EPA 6010B	6 mo	2 g
		EPA 3050B	EPA 6020	6 mo	2 g
ICP Metals	Water	EPA 3010A	EPA 6010B	6 mo	100 mL	250mL P	HNO3
		EPA 200.7	EPA 200.7	6 mo	100 mL	250mL P	HNO3
	Soil	EPA 3050B	EPA 6010B	6 mo	2 g
ICP-MS Metals	Water	EPA 200.8	EPA 6020	6 mo	100 mL	250mL P	HNO3
		EPA 200.8	EPA 200.8	6 mo	100 mL	250mL P	HNO3
	Soil	EPA 3050B	EPA 6020	6 mo	2 g
Hexavalent Chromium	Water	METHOD1	EPA 7196A	24 hr	100 mL	500 mL P	None
		METHOD1	EPA 7199	24 hr	50 mL	250 mL P	None
	Soil	METHOD1	EPA 7196A	30 days	40 g
Lead	Water	EPA 3010A	EPA 6010B	6 mo	100 mL	250mL P	HNO3
		EPA 200.7	EPA 200.7	6 mo	100 mL	250mL P	HNO3
		EPA 200.8	EPA 6020	6 mo	100 mL	250mL P	HNO3
		EPA 200.8	EPA 200.8	6 mo	100 mL	250mL P	HNO3
	Soil	EPA 3050B	EPA 6010B	6 mo	2 g
		EPA 3050B	EPA 6020	6 mo	2 g
Mercury	Water	METHOD1	EPA 7470A	28 days	100 mL	250mL P	HNO3
		METHOD1	EPA 245.1	28 days	100 mL	250mL P	HNO3
	Soil	METHOD1	EPA 7471A	28 days	0.5 g
Organic Lead	Water	CA LUFT1	CA LUFT1	14 days	100 mL	500mL P	None
	Soil	CA LUFT1	CA LUFT1	14 days	50 g
Priority Pollutant Metals	Water	EPA 3010A/ Method1	EPA 6010B/7470A	6 mo/28d4	100 mL	500mL P	HNO3
		EPA 200.8/ Method1	EPA 6020/7470A	6 mo/28d4	100 mL	500mL P	HNO3
	Soil	EPA 3050B/ Method1	EPA 6010B/7471A	6 mo/28d4	5 g
		EPA 3050B/ Method1	EPA 6020/7471A	6 mo/28d4	5 g
RCRA (8) Metals	Water	EPA 3010A/ Method1	EPA 6010B/7470A	6 mo/28d4	100 mL	500mL P	HNO3
		EPA 200.8/ Method1	EPA 6020/7470A	6 mo/28d4	100 mL	500mL P	HNO3
	Soil	EPA 3050B/ Method1	EPA 6010/7400	6 mo/28d4	5 g
		EPA 3050B/ Method1	EPA 6020/7400	6 mo/28d4	5 g
STLC Extraction for CA-W.E.T. Metals	Soil	CA T22:22-66261	various	6 mo/28d4	50 g
SPLP Extraction for Metals	Soil	EPA 1312	various	6 mo/28d4	100 g5
TCLP Extraction for Metals	Soil	EPA 1311	various	6 mo/28d4	100 g5
TCLP Extraction for Semivolatiles	Soil	EPA 1311	various	14 days	100 g5
CA Title 26 Metals (CAM 17)	Water	EPA 3010A/Method1	EPA 6010B/7470A	6 mo/28d4	100 mL	500mL P	HNO3
		EPA 200.8/ Method1	EPA 6020/7470A	6 mo/28d4	100 mL	500mL P	HNO3
	Soil	EPA 3050B/ Method1	EPA 6010B/ 7471A	6 mo/28d4	5 g
		EPA 3050B/ Method1	EPA 6020/7471A	6 mo/28d4	5 g
Tributyl Tin ("Organo-tin")	Water	EPA 3520C	GC/FPD	NS	1 L
	Soil	EPA 3550B	GC/FPD	NS	10 g	1L P or G	None

Notes

Legend