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Method, Sample Container, Preservative, and Holding Time Table

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Analysis  Matrix  Method  Sample Size/ Container  Preservative* Holding Time (Days)
Extraction   Analysis 

INORGANICS		            
Alkalinity  W/WW  310.2 500 mL/P  Cool, 4°C    14
Ammonia W/WW  220.3 500 mL/P  Cool, 4°C, H2SO4, pH < 2    28
Biochemical Oxygen Demand (BOD) W/WW 405.1 500 mL/P Cool, 4°C    2
Chloride W/WW

S/SW 		 300 500 mL/P  Cool, 4°C    28
Chemical Oxygen Demand (COD)  W/WW  410.4 500 mL/P  Cool, 4°C, H2SO4, pH < 2    28
Conductivity  W/WW  120.1 500 mL/P  Cool, 4°C    28
Corrosivity  W/WW

S/SW 		 1110 250 mL/P

4 oz/P 		 Cool, 4°C    7
Cyanide  W/WW

S/SW 		 335.3
9010A		 1 L/P

4 oz/P		 NaOH, pH > 12   14
Fluoride  W/WW  340.2 500 mL/P  Cool, 4°C    28
Hardness W/WW 130.2 500 mL/P Cool, 4°C    180
Hexavalent Chromium  W/WW

S/SW 		 7196A  500 mL/P

4 oz/P		 Cool, 4°C    1
Ignitability  W/WW

S/SW 		 1010 500 mL/G

4 oz/G 		 None    7
Mercury W/WW

S/SW 		 245.1/245.5
7470/7471 		 250 mL/P/G

4 oz/P/G 		 HNO3, pH < 2   28
Metals ICP/GFAA/AA Including Al, Sb, As, Ba, Be, B, Cd, Ca, Cr, Co, Cu, Fe, Pb, Li, Mg, Mn, Mo, Ni, K, Se, Ag, Na, Sr, Tl, V, Zn  W/WW




S/SW 		 200 Series
6010B
6020
7000 Series

6010B
6020
7000 Series		 500 mL/P




4 oz/P		 HNO3, pH < 2   180
TCLP Metals
(except Hg)		 W/WW

S/SW 		 1311 1 L/P  Cool, 4°C  180 180
Nitrate  W/WW  353.2 250 mL/P  Cool, 4°C    2
Nitrate + Nitrite  W/WW  353.2 250 mL/P  Cool, 4°C, H2SO4, pH < 2    28
Nitrite  W/WW  353.2 Mod  125 mL/P  Cool, 4°C    2
Oil & Grease  W/WW

S/SW 		 413.2 1 L/AG

8 oz/AG 		 Cool, 4°C, H2SO4, pH < 2   28
Ortho-Phosphorus  W/WW  365.1 125 mL/P  Cool, 4°C, Filter Immediately    2
pH  W/WW

S/SW 		 150.1

9040B 		 500 mL/P

4 oz/P		 Cool, 4°C    ASAP 
Phenolics  W/WW

S/SW 		 420.2

9066		 1 L/AG

6 oz/G 		 Cool, 4°C, H2SO4, pH < 2   28
Reactive Cyanide  W/WW

S/SW 		 7.3.3.2  500 mL/P

4 oz/P		 Cool, 4°C    7
Reactive Sulfide W/WW  7.3.4.2  500 mL/P

4 oz/P		 Cool, 4°C    7
Sulfide  W/WW

S/SW 		 376.1

9030A 		 500 mL/P

4 oz/P		 Cool, 4°C, Zn Acetate/NaOH, pH > 9   7
Sulfate  W/WW

S/SW 		 375.2

9036		 500 mL/P

4 oz/P		 Cool, 4°C    28
Total Kjeldahl Nitrogen  W/WW  351.2 1 L/P  Cool, 4°C, H2SO4, pH < 2    28
Total Dissolved Solids  W/WW  160.1 500 mL/P  Cool, 4°C    7
Total Organic Carbon (TOC)  W/WW

S/SW 		 415.1

9060		 250 mL/G

4 oz/G 		 Cool, 4°C, H2SO4, pH < 2    28
Total Phosphorus  W/WW  SM4500 125 mL/P  Cool, 4°C, H2SO4, pH < 2   28
Total Recoverable Petroleum Hydrocarbons (TRPH)  W/WW  418.1 1L/AG  Cool, 4°C, H2SO4, pH < 2   28
Total Solids Moisture  W/WW

S/SW 		 160.3 500 mL/P

4 oz/G		 Cool, 4°C    7
Total Suspended Solids  W/WW  160.2 500 mL/P  Cool, 4°C    7
Total Volatile Solids  W/WW  160.4 250 mL/P  Cool, 4°C    7
Turbidity  W/WW  180.1 250 mL/P  Cool, 4°C    2

ORGANICS		            
BTEX and VOCs in Water W/WW  8260B  4 x 40 mL/G  Cool, 4°C, HCl, pH < 2    14
BTEX and VOCs in Soil S/SW  8260B  Soils Kit Cool, 4°C, Methanol    14
Herbicides  W/WW

S/SW 		 8151A  1 L/AG

6 oz/AG		 Cool, 4°C  7

14		 40

40
Organochlorine Pesticides  W/WW

S/SW 		 8081 1 L/AG

6 oz/AG		 Cool, 4°C, pH 5-9 7

14		 40

40
Organophosphorus Pesticides  W/WW

S/SW 		 8141A  1 L/AG

6 oz/AG		 Cool, 4°C, pH 5-9 7

14		 40

40
PCBs  W/WW  8082 1 L/AG

6 oz/AG		 Cool, 4°C  7

14		 40

40
Polynuclear Aromatics (PNAs)  W/WW

S/SW 		 8270 1 L/AG

6 oz/AG		 Cool, 4°C  7

14		 40

40
Semivolatile Organics  W/WW

S/SW 		 8270  1 L/AG

6 oz/AG		 Cool, 4°C  7

14		 40

40
TCLP Semivolatiles, Pesticides, and Herbicides W/WW

S/SW		 1311 6 oz/G  Cool, 4°C  7

14 (leach)
7 (extract)		 40

40
TCLP Volatiles  W/WW

S/SW 		 1311 6 oz/G  Cool, 4°C 

14 (leach)
7 (extract)		  14

14

*Chemical Preservative on W/WW matrix only.

Abbreviations used in the previous table follow:

Matrix Container Preservatives

W

 Water

P

  Plastic (HDPE) HCl

Hydrochloric Acid

WW

 Wastewater

AG

 Amber Glass HNO3

Nitric Acid

S

 Soil/Sediment

G

 Glass NaOH

Sodium Hydroxide

SW

 Solid Waste

H2SO4

Sulfuric Acid

 NOTES:
1.  Sample preservation should be performed during sample collection.
2. Soil samples can be collected in either glass jars (for organics) or plastic jars (for metals and inorganics).
3. Extraction holding times are from the date of sampling, and analysis holding times are from the date of extraction.
4. If analyzing for dissolved metals, the sample shall be field-filtered through a 0.45-µm filter immediately (within 15 minutes) after sample collection and prior to preservation.
5. Provide twice the number of containers listed when matrix spike, matrix duplicate, and matrix spike duplicate analyses are requested for the sample. Minimum frequency is one per 20 field samples.
6. This table includes the requirements of the U.S. Environmental Protection Agency, as published in the Code of Federal Regulations, Volume 49, Number 209, 40 CFR 136 dated October 26, 1984, page 43260.

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