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TABLE 2 Page 1 of 4 <br /> SAMPLING AND PRESERVATION PROCEDURES FOR DETECTION MONITORING <br /> Recommended Minimum <br /> Container ' and Proper Maximum Volume Required <br /> Parameter Cleaning Procedures Preservative Holding Time for Analysis <br /> Indicators of Groundwaler Contamination ° • <br /> PH T,P, G, D Field determined None 25 mL <br /> Specific conductance T, P, G, D <br /> Field Determined None 100 ml- <br /> TOC <br /> LTOC G,amber 4°C/H2SO4 to pH<2 d 28 days 500 mL <br /> Groundwater OLality Characteristics <br /> Chloride <br /> T, P, G, V 4°C 28 days 50 mL <br /> Ircn <br /> T p A HNO3 to pH<2 6 months 200 mL <br /> Manganese <br /> T p A HNO3 to PH<2 6 months 200 mL <br /> Sodium <br /> T p A f1NO3 to pH<2 6 months 200 mL <br /> Phcnois <br /> G, D 40C/H2SO4 to pH<2 28 days 500 mL <br /> Sulfate <br /> T P G, V Cool 4°C 28 days 500 mL <br /> SEP <br /> 4-20-89 <br />