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- 1 Summary of Groundwater Analytical Methods with Recommended Containers,Volumes,Preservation,-and Holding Times Austin Road Landfill-Manteca,California rn mum collection Constituent Method Container Volunte Preservation Holdtn Time Antimony Kjo r, USEPA 7041 Teflon;plastic,or glass 600 ml- HNO3 to pH<2 6 months Arsenic p USEPA 7061 Teflon,plastic,or glass 600 mL HNO3 to pH<2 6 months Bicarbonate a USEPA 310.1" Plastic or glass 100 mL " 54°C 14 days- Cadmium X 4 USEPA 7131A Teflon,plastic,or glass 600 mL HNO3 to pH<2 6 months Carbonate ® USEPA 310.1" Plastic or lass 100 mL 54°C 14 davs Chloride a USEPA 300.0' Plastic or lass 50"mL None r aired 28 days Extract within 14 days Chlorophenoxy Hebiczles b 'USEPA 8151A Amber glass with Teflon-lined lid 1 L, 54°C,protect from light analyze within 40 days of extraction Chromium Hexavalent EPA 7196 Plastic or. lass 400 mL s6°C 24 hours C amide r USPEA 9010B Teflon or plastic 500 ml- NaOH to pH>12 56°C 14.days Gasoline-Ra 'e Petroleum tbLdrocarbonsill. Luft Manual" Glass 1 L S44 Or,,14CI to H:G2 14da s Lead ,a, USEPA 7421 Teflon,plastic,or glass 600 mL N14%to pH42 6 months. Mercury a USEPA 7470A Teflon,plastic,or glass 400,ml- HNO3 to pH<2,s6°C 28 days Metals(Not Otherwise Specified Here)o USEPA 6010 Teflon,plastic,or glass. 600,niL HNO3 to pH<2 6-month Nickel s USEPA 7521 Teflon,plastic,or glass 600 mL HNO3.to pH<26 months Nitrate-Vitrogen a USEPA 300.0' Plasuc or glass 100 mt- WC 48 hours Oil and Grease ® USEPA 1664* Glass 11- s4°C,HCl or,H2SO4 to pH s2„ 28 days Extract within 14 days/ Organophosphbrus Compounds+ USEPA 814:11 Amber glass with Teflon-tined lid i L NaOH or H2SO4 to 5 a pH 5 8,M°G analyze within 40 days of extraction Selenium a USEPA 7:1'42 Teflon,plastic,or glass 000 mL HNO3 to pH<2 6 months , Extract within 14 days Semi-Volatile Organic,Compounds 0 USEPA 8270 Amber glass with Teflon-lined lid' 1 L 54°C analyze within 40 days of extraction Sulfate es USEPA 300.0' Plastic or lass 50 mL S4°C 28 da 4 drops 2N zinc acetate 1100 mL sample, Sulfide a USEPA 90308 Teflon.plastic,'or glass 100 ml- NaOH to pH>9,minimize aeration,store. 7 days head sage free at'S6'C Thallium o USEPA 7841 Teflon,plastic,or glass 600 mL HNO3 to pW2 6 months Total Dissolved Solids .o USEPA 180.1-` Plastic or lass 100 ml 54°C •7d s Total Organic Carbon" oUSEPA 415.1` Plastic,or glass 25 mL 54°C,HCI or H2SO4 to pHs2 28 days Volatile Organic Compounds .`; USEPA 8260 Glass with Teflon-uned Rd 2 x 40 ml-" s6°C,HCI or HzSOa'to pt#s2. 14 days Precise method not specified in Waste Discharge Requirementa(Order No.R5-2003-0049). USEPA approved method In current use or equivalent given. F,RST A550CIATE5, INC.'