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<br />TAffiE 5 <br /> Filter Volume of Holding <br />Para®eters Tvoe Bvttlel~ Yes No Preservative Bottle Time (davs) CLmo~a~ts <br /> <br />Water Sample <br />Metals (total) P X HNO3 1 liter 180 (28 for Hg) <br />Metals (dissolved) P X HN03 1 liter 180 filter prior to <br /> adding preservative, <br /> analysis for iron & <br /> ~~ ~Y <br />Metals (radiochegn) P X HNO3 1 gallon 180 <br />Cyanide P X NaOH 1 liter 144) <br />General (anions) P X None 1 liter 2) <br />~3~ ~4 P X H2SO4 500 ml 3) <br />Oil & Grease G X H2sO4 1 liter 28 <br />~C G X H25O4 70 ml 28 <br />Sulfide P X ZnOAc 1 liter 28 <br />Ground Water Samole <br />Metals (dissolved) P X HNO3 1 liter 180 filter prior to <br /> adding preservative <br />Metals (radioc3iem) P X HNOg 1 gallon 30 filter prior to <br /> adding preservative <br />Cyanide P X NaOH 1 liter 144) <br />General (anions) P X None 1 liter 2) <br />~3 ~ ~4 P X H2SO4 500 ml 3 ) <br />Oil & Grease G X H2SO4 1 liter 28 <br />ZoC G X H2SO4 70 ml 28 <br />Sulfide P X ZnOAC l liter 29 <br />1) G = amber glass <br />P = plastic <br />2) seven days for TCS, 14 days for carbonate bicarbonate, 28 days for fluoride, chloride, sulfate. <br />3) Fourteen days for nitrate, 28 days for phosphate. <br />4) Mauim ~ holding time is 24 hours when sul fide is present. Optionally, all sat~les may be tested with lead <br />acetate paper before the pH adjustment in order to determine if sulfide is present. If sulfide is pxesent, it <br />can be removed by the addition of cadmium nitrate powder until a negative spot test is obtained. The sample <br />is filtered and then NaOH is added to pH 12. <br />