PRESERVATION AND HOLDING TIMES

GENERAL CHEMISTRY

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General Chemistry Parameter	New Method10	Previous	Holding Time		Minimum Volume		Water Sampling
	MUR 04/11/07	C&T Method	Water	Soil	Water	Soil	Container	Preservative
Acidity	SM 2310B	EPA 305.1	14 days	- -	100 mL	- -	250mL P	None
Alkalinity (as CaCO3)	SM 2320B	EPA 310.1	14 days	NS5	100 mL	- -	250mL P	None
Ammonia Nitrogen	SM 4500NH3-D	EPA 350.3	28 days	- -	100 mL	- -	250mL P	H2SO4
Asbestos	various	various	NS5	NS5	1 L	50 g	1L P	None
Bicarbonate Alkalinity	SM 2320B	EPA 310.1	14 days	- -	100 mL	- -	250mL P	None
Bioassay, %survival	NPDES	NPDES	36 hr	- -	5 gallons	- -	5gal cube	None
Bioassay, screen	CCR Title 22	CCR Title 22	36 hr	36 hr	500 mL	200 g	1L G	None
Biochemical Oxygen Demand (BOD)	SM 5210B	EPA 405.1	48 hr	- -	600 mL	- -	1L P	None
Carbon, Total Organic	SM 5310C	EPA 415.2	28 days	- -	40 mL	- -	2 x 40mL VOA	H2SO4
	Walkley-Black	Walkley-Black	- -	NS5	- -	25 g	- -	- -
Carbon, Total Inorganic	SM 5310C	EPA 415.2	28 days	- -	40 mL	- -	2 x 40mL VOA	H2SO4
Carbonate Alkalinity	SM 2320B	EPA 310.1	NS5	- -	100 mL	- -	250mL P	None
Cation Exchange Capacity	EPA 9081	EPA 9081	- -	6 mo	- -	10 g	- -	- -
Chemical Oxygen Demand (COD)	SM 5220D	EPA 410.4	28 days	- -	100 mL	- -	250mL P	H2SO4
COD, Filtered	SM 5220D	EPA 410.4	28 days	- -	100 mL	- -	250mL P	H2SO4
Chloride	EPA 300.0	EPA 300.0	28 days	- -	100 mL	- -	250mL P	None
Chlorine, Residual	SM 4500Cl-G	EPA 330.5	15 min	- -	100 mL	- -	250mL G	Foil wrapped
Coliform, Fecal			6 hr	- -	100 mL	- -	sterile 100mL	Na2S2O3
Color	SM 2120B	EPA 110.2	48 hr	- -	50 mL	- -	250mL G	None
Conductivity	SM 2510B	EPA 120.1	24 hr4	- -	100 mL	- -	250mL P	None
Corrosivity to Steel (NACE)	EPA 1110	EPA 1110	NS5	NS5	1 L	1000 g	1L G	None
Chromium, Hexavalent	EPA 7196A	EPA 7196A	24 hr	30 days	100 mL	40 g	500mL P	None
	EPA 7199	EPA 7199	24 hr	- -	50 mL	- -	250mL P	None
	SM 3500Cr-D	SM 3500Cr-D	24 hr	- -	50 mL	- -	250mL P	None
Cyanide	SM 4500Cn-E	EPA 335.2	14 days	- -	500 mL	- -	500mL P	NaOH
	EPA 9010B/9014	EPA 9010B/9014	14 days	14 days	500 mL	5 g	500mL P	NaOH
Cyanide, Amenable	SM 4500Cn-E	EPA 335.2	14 days	- -	500 mL	- -	500mL P	NaOH
	EPA 9010B/9014	EPA 9010B/9014	14 days	14 days	500 mL	10 g	500mL P	NaOH
Cyanide, Reactive	SW846 Ch.7	SW846 Ch.7	NS5	NS5	25 mL	10 g	500mL P	None
Density	ASTM or AOCS	ASTM or AOCS	NS5	- -	200 mL	- -	250mL P or G	None
Dissolved Oxygen	SM 4500O-G	EPA 360.1	15 min	- -	100 mL	- -	250mL G	None
Dissolved Sulfide	SM 4500S2-D	EPA 376.2	7 days	- -	50 mL	- -	500mL P	NaOH
Ferrous Iron (Fe2+)	SM 3500Fe-D	SM 3500Fe-D	15 min	- -	50 mL	- -	100mL P or G	HCL
Ferric Iron (Fe3+)	SM 3500Fe-D	SM 3500Fe-D	24 hr	- -	see Notes	- -	2 x 100mL P	see Note(6)
Flash Point	EPA 1010A	EPA 1010A	NS5	- -	60 mL	NA	250mL P	None
Fluoride	EPA 300.0	EPA 300.0	28 days	28 days	100 mL	10 g	250mL P	None
Free Liquids (Paint Filter Test)	EPA 9095	EPA 9095	NS5	NS5	100 mL	50 g	500mL wide	None
Halogens, Total Organic	EPA 9020	EPA 9020	28 days	28 days	200 mL	10 g	250mL P or G	H2SO4
Hardness, as CaCO3	SM 2340B	EPA 130.2	6 mo	- -	100 mL	- -	250mL P	HNO3
Hexavalent Chromium	EPA 7196A	EPA 7196A	24 hr	30 days	100 mL	40 g	500mL P	None
	EPA 7199	EPA 7199	24 hr	- -	50 mL	- -	250mL P	None
	SM 3500Cr-D	SM 3500Cr-D	24 hr	- -	50 mL	- -	250mL P	None
Ignitability	SW846 Ch.7	SW846 Ch.7	- -	NS5	- -	10 g	- -	None
Iron, Ferrous (Fe2+)	SM 3500Fe-D	SM 3500Fe-D	24 hr	- -	50 mL	- -	100mL P	HCL
Iron, Ferric (Fe3+)	SM 3500Fe-D	SM 3500Fe-D	24 hr	- -	see Note(6)	- -	2 x 100mL  P	see Note(6)
MBAS (Surfactants)	SM 5540C	EPA 425.1	48 hr	- -	250 mL	- -	1L P	None
Moisture	ASTM D2216/CLP	CLP-SOW	- -	NS5	- -	25 g	- -	None
Nitrate Nitrogen	EPA 300.0	EPA 300.0	48 hr	- -	100 mL	- -	250mL P	None
Nitrite Nitrogen	EPA 300.0	EPA 300.0	48 hr	- -	100 mL	- -	250mL P	None
Nitrate/ Nitrite Nitrogen	EPA 300.0	EPA 300.0	28 days	- -	100 mL	- -	250mL P	None
Nitrogen, Ammonia	SM 4500NH3-D	EPA 350.3	28 days	28 days	100 mL	10 g	250mL P	H2SO4
Nitrogen, Total Kjeldahl (TKN)	SM 4500NH3-C	EPA 351.4	28 days	28 days	50 mL	5 g	1L P	H2SO4
Oil & Grease, Petroleum (H.E.M.-SG)	EPA 1664A	EPA 1664A	28 days	- -	1 L	- -	1L G	HCL
Oil & Grease, Total (H.E.M.)	EPA 1664A	EPA 1664A	28 days	- -	1 L	- -	1L G	HCL
Organic Carbon, Total (TOC)	SM 5310C	EPA 415.2	28 days	- -	40 mL	- -	2 x 40mL VOA	H2SO4
	Walkley-Black	Walkley-Black	- -	NS5	- -	25 g	- -	None
Organic Lead	CA LUFT7	CA LUFT7	14 days	14 days	100 mL	50 g	250mL P	None
Oxygen Demand, Biochemical	SM 5210B	EPA 405.1	48 hr	- -	600 mL	- -	1L P	None
Oxygen Demand, Chemical	SM 5220D	EPA 410.4	28 days	- -	100 mL	- -	250mL P	H2SO4
Oxygen, Dissolved	SM 4500O-G	EPA 360.1	15 min	- -	100 mL	- -	250mL G	None
Paint Filter Test	EPA 9095	EPA 9095	NS5	NS5	100 mL	50 g	500mL wide	None
Perchlorate	EPA 314.0	EPA 314.0	28 days	- -	100 mL	- -	250mL P	None
pH	EPA 9040B/9045C	EPA 9040B/9045C	24 hr	14 days	100 mL	50 g	250mL P	None
	SM 4500H+B	EPA 150.1	15 min	- -	100 mL	- -	250mL P	None
Phenolic Compounds	EPA 420.1	EPA 420.1	28 days	- -	500 mL	- -	1L G	H2SO4
Phosphate, ortho-	SM 4500P-E	EPA 365.2	48 hr	- -	50 mL	- -	100mL P	None
Phosphate, Total	SM 4500P-E	EPA 365.2	28 days	28 days	50 mL	10 g	250mL P	H2SO4
Reactive Cyanide	SW846 Ch.7	SW846 Ch.7	NS5	NS5	25 mL	10 g	500mL P	None
Reactive Sulfide	SW846 Ch.7	SW846 Ch.7	NS5	NS5	25 mL	10 g	500mL P	None
Residual Chlorine	SM 4500Cl-G	EPA 330.5	15 min	- -		- -	100mL P	None
Resistivity	SM 2510B	EPA 120.1	28 days	- -	100 mL	- -	250mL P	None
Salinity	SM 2520B	SM 2520B	NS5	- -	250 mL	- -	250mL G	wax seal
Silica	SM 4500SiO2-C	EPA 370.1	28 days	28 days	50 mL	10 g	100mL P	None
Solids, Settleable	SM 2540F	EPA 160.5	48 hr	- -	1 L	- -	1L G	None
Solids, Total Dissolved	SM 2540C	EPA 160.1	7 days	- -	100 mL	- -	250mL G	None
Solids, Total Suspended	SM 2540D	EPA 160.2	7 days	- -	100 mL	- -	250mL G	None
Solids, Total Volatile	SM 2540E	EPA 160.4	7 days	NS5	100 mL	50 g	250mL P	None
Sulfate	EPA 300.0	EPA 300.0	28 days	- -	100 mL	- -	250mL P	None
Sulfide, Total	SM 4500S2-D	EPA 376.2	7 days	- -	50 mL	- -	500mL P	NaOH + ZnAc
Sulfide, Dissolved	SM 4500S2-D	EPA 376.2	7 days	- -	50 mL	- -	500mL P	NaOH
Sulfide, Reactive	SW846 Ch.7	SW846 Ch.7	NS5	NS5	25 mL	10 g	500mL P	None
Sulfite	SM 4500SO3-B	EPA 377.1	15 min	- -	100 mL	- -	500mL  P	None
Surfactants (MBAS)	SM 5540C	EPA 425.1	48 hr	- -	250 mL	- -	1L P	None
Total Dissolved Solids (TDS)	SM 2540C	EPA 160.1	7 days	- -	100 mL	- -	250mL P	None
Total Inorganic Carbon	SM 5310C	EPA 415.2	28 days	- -	40 mL	- -	2 x 40mL VOA	H2SO4
Total Kjeldahl Nitrogen (TKN)	SM 4500NH3-C	EPA 351.4	28 days	28 days	50 mL	5 g	1L P	H2SO4
Total Organic Carbon (TOC)	SM 5310C	EPA 415.2	28 days	- -	40 mL	- -	2 x 40mL VOA	H2SO4
	Walkley-Black	Walkley-Black	- -	NS5	- -	25 g	- -	None
Total Organic Halogens (TOX)	EPA 9020B	EPA 9020B	28 days	28 days	200 mL	10 g	250mL P or G	H2SO4
Total Suspended Solids (TSS)	SM 2540D	EPA 160.2	7 days	- -	100 mL	- -	250mL G	None
Total Volatile Solids	SM 2540E	EPA 160.4	7 days	NS5	100 mL	50 g	250mL P	None
Tributyl Tin	GC/FPD	GC/FPD	NS5	NS5	1 L	10 g	1L P or G	None
Turbidity	SM 2130B	EPA 180.1	48 hr	- -	100 mL	- -	250mL G	None
Viscosity	ASTM methods	ASTM methods	NS5	- -	25 mL	- -	50mL P	None

General Minerals	New Method10	Previous	Holding Time		Minimum Volume		Water Sampling
	MUR 04/11/07	C&T Method	Water	Soil	Water	Soil	Container	Preservative
Alkalinity (as CaCO3)	SM 2320B	EPA 310.1	14 days	NS5	100 mL	- -	250mL P	None
Chloride, Sulfate	EPA 300.0	EPA 300.0	28 days	- -	100 mL	- -	250mL P	None
Conductivity	SM 2510B	EPA 120.1	24 hr4	- -	100 mL	- -	250mL P	None
PH	SM 4500H+B	EPA 150.1	15 min	14 days	100 mL	- -	250mL P	None
Total Dissolved Solids (TDS)	SM 2540C	EPA 160.1	7 days	- -	100 mL	- -	250mL P	None
Ca, Fe, Mg, Na, Zn, Hardness	EPA 200.7 or 6010B	EPA 200.7 or 6010B	6 mo	6 mo	100 mL	- -	250mL P	HNO3
Optional Analysis (can be added to list):
Surfactants (MBAS)	SM 5540C	EPA 425.1	48 hr	- -	250 mL	- -	1L P	None

Major Cations	Method	Holding Time		Minimum Volume		Water Sampling
		Water	Soil	Water	Soil	Container	Preservative
Ca, Mg, K, Na	EPA 200.7 or 6010B	6 mo	6 mo	100 mL	- -	250mL P	HNO3

Major Anions	New Method10	Previous	Holding Time		Minimum Volume		Water Sampling
	MUR 04/11/07	C&T Method	Water	Soil	Water	Soil	Container	Preservative
Bicarbonate, Carbonate Alkalinity	SM 2320B	EPA 310.1	14 days	NS5	100 mL	- -	250mL P	None
Chloride, Sulfate	EPA 300.0	EPA 300.0	28 days	- -	100 mL	- -	250mL P	None

RCI	Method	Holding Time		Minimum Volume		Water Sampling
		Water	Soil	Water	Soil	Container	Preservative
Reactive Cyanide	SW846 Ch.7	NS5	NS5	25 mL	10 g	500mL P	None
Reactive Sulfide	SW846 Ch.7	NS5	NS5	25 mL	10 g	500mL P	None
PH	EPA 9040B/9045C	24 hr	14 days	100 mL	50 g	250mL P	None
Ignitability	SW846 Ch.7	- -	NS5	- -	10 g	- -	None

Ion Chromatography	Method	Holding Time		Minimum Volume		Water Sampling
		Water	Soil	Water	Soil	Container	Preservative
Bromide	EPA 300.0	28 days	NS5	100 mL	1 g	250mL P	None
Chloride	EPA 300.0	28 days	NS5	100 mL	1 g	250mL P	None
Nitrate-Nitrogen	EPA 300.0	48 hr	NS5	100 mL	1 g	250mL P	None
Nitrite-Nitrogen	EPA 300.0	48 hr	NS5	100 mL	1 g	250mL P	None
ortho-Phosphate Phosphorus	EPA 300.0	48 hr	NS5	100 mL	1 g	250mL P	None
Sulfate	EPA 300.0	28 days	NS5	100 mL	1 g	250mL P	None
Hexavalent Chromium	EPA 7199	24 hr	NA	100 mL	- -	250mL P	None
Perchlorate	EPA 314.0	28 days	NA	100 mL	- -	250mL P	None

Notes

General Legend