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<br />5 <br /> Filter Volime of Holding <br />plrimn+n.c Tvoe Bottle)) Yes NO PrQSelYdtlVe Bottle Time (days) Oomments <br /> <br />Water Sample <br />Metals (total) P X HN03 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 /> manganese only <br />Metals (radiochem) P X FIId03 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 H25O4 500 ml 3) <br />Oil & Grease G X H2SO4 1 liter 28 <br />'IUC G X H2SO4 70 ml 28 <br />Sulfide P X ZnOAc 1 liter 28 <br />Ground Water Sample <br />Metals (dissolved) P X HNO3 1 liter 180 filter prior to <br /> adding preservative <br />Metals (radiochem) P X HN03 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 />NO3, P04 P X H2SO4 500 ml 3) <br />Oil & Grease G X H2SO4 1 liter 28 <br />ZUC G X H2SO4 70 ml 28 <br />Sulfide P X ZnOBc 1 liter 2& <br />1) G = amber glass <br />P = plastic <br />2} Seven days for TDS, 14 days for carbonatejbicarbonate, 28 days for fluoride, chloride, sulfate. <br />3) Fourteen days for nitrate, 28 days for phosphate. <br />4) t>uximm holding time is 24 hotus when sul fide is present. Optionally, all sales may be tested with lead <br />acetate paper before the pH adjustment in order to determine if sulfide is present. If sulfide is present <br />it <br />can be removed by the addition of cac~nium nitrate powder until a negative spot test is , <br />obtained. 'ihe sample <br />is filtered aryl then NaOH is added to pH 12. <br />