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Table -2 <br /> Analytical Test Methods and Sample Holding Times <br /> Parameter Mix' Test Method Holding Time Reference <br /> Volatile Halocarbons 601 14 days 1 <br /> Volatile Aromatics 602 14 days 1 <br /> Volatile Organic Compounds 624 14 days 2 <br /> Semivolatile Organic Compounds 8270 7 days 1 <br /> Organochlorine Pesticides and PCBs 608 7 days 1 <br /> Chlorophenoxy Herbicides 615 7 days 1 <br /> Metals 200 Series' 6 months` 2 <br /> Bicarbonate Alkalinity 310.1 14 days 2 <br /> Chemical Oxygen Demand 410.2 28 days 2 <br /> Chlorides 325.3 28 days 2 <br /> Hardness 130.2 6 months 2 <br /> Nitrate-Nitrogen 352.1 14 days 2 <br /> Total Kjeldahl Nitrogen 351.4 28 days 2 <br /> Sulfate 375.4 28 days 2 <br /> Sulfide 376.1 7 days 2 <br /> Total Dissolved Solids 160.1 7 days 2 <br /> Methods for Organic Chemical Analysis of Municipal and Industrial Wastewater,EPA-600/4-82-057,July 1982. <br /> = Methods for Chemical Analysis of Water and Wastes,EPA-600/4-79-020,revised March 1983. <br /> G=Groundwater,S=Surface Water(Spring),L=Lysimeter <br /> Metals analyzed by ICP(EPA Method 200.7)with the exception of arsenic(EPA Method 206.2),lead(EPA Method 239.2),mercury <br /> (EPA Method 245.1),and selenium(EPA Method 270.2). <br /> Holding times for all metals is 6 months with the exception of mercury(28 days). <br /> SAC/pjM39\09390011.8al-94/lfc:9 Rev.0, 10/17/94 <br /> 0939-001.18 A-10 <br />