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<br />SAMPLE PRESERVATION <br />All liquid samples (ground water and surface water) will be collected in appropriate sample <br />containers and preserved as indicated in Table A-1. <br />TABLE A-1 <br />REQUI1tED CONTAINERS AND PRESERVATIVES FOR WATER SAMPLES <br /> MAXIMUM <br />PARAMETER CONTAINER PRESERVATIVE HOLDING TIME <br /> (DAYS) <br />Total Metals 1-Liter, Poly HNO, to pH <2 180 <br />Major Cations (I-Ig-28) <br />(Ca, Mg, K, Na) <br />Hazdness <br />Dissolved Metals 1-Liter, Poly Filter, HNOj to 180 <br /> pH < 2 (Hg-28) <br />Alkalinity 250 ml, Poly 4°C 14 <br />TSS 7 <br />TDS 500 ml, Poly Filter, 4°C 7 <br />Chloride 28 <br />Sulfate 28 <br />Phosphate 250 ml, Glass HZSO, to pH <2, 28 <br />Nitrate+Ni[rite 4°C 28 <br />Volatile Compounds 2-40m1, Glass HCL, 4°C 14 <br />Semivolatile 1-Liter, 4°C 7 to extraction <br />Compounds Amber Glass 40 after extraction <br />Pesticides/PCBs 1-Liter, 4°C 7 to extraction <br /> Amber Glass 40 after extraction <br />