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Page -11- <br /> Volume Holding <br /> Analysis Container (mL) Preservation Time <br /> Hardness, total Plastic/glass 100 HNO3, pH less than 2 6 month <br /> Hydroxide Plastic 254 Cool, 40G 14 days <br /> Iron (Fe) Plastic 240 HNO3, pH less than 2 6 month, <br /> Langelier Index Plastic/glass 500 Analyze immediately 2 hour: <br /> (Corrosivity) <br /> Lead (Pb) ''lactic 200 HNO3, pH less than 2. 6 month <br /> Lithium (Li) Plastic 200 <br /> Loss on Ignition Glass 100 Cool, 4°C 7 days <br /> MEAS Plastic/glass 250 Cool, 4°C 24 hour <br /> Magnesium (Mg) Plastic 200 ANO3, pH less than 2 6 mono <br /> Manganese (Mn) Plastic 200 HNO3* PH less than 2 6 month <br /> Mercury (Hg) Plastic/glass 540 HNO3, pH less than 2 28 day: ` <br /> Molybdenum (Mo) Plastic 200 HNO3, pH less than 2 6 month <br /> Nickel (Ni) Plastic 200 HNO3, pH less than 2 6 mont) <br /> Nitrogen, <br /> Total Plastic/glass 100 H2s04, PH less than 2 28 dayr <br /> Cool, 4°C <br /> Nitrate (NO3) Plastic/glass 100 Cool, 4°C 14 day., <br /> Nitrite (NO2) Plastic/glass 100 cool, 4°C 48 hour <br /> j Ammonium (NH4) Plastic/glass 400 H2504, pH less than 2 24 hour <br /> Cool, 4°C <br /> Organic Plastic/glass 400 Cool, 4°C 14 day <br /> Odor Glass 500 Cool, 4°C <br /> 48 hour <br /> Oxygen Demand, Plastic/ 100 H2s04, PH less than 2 28 day: <br /> Chemical Cool, 4°C <br /> Oxygen, Dissolved Glass w/ 300 Analyze immediately <br /> (DO) glass stopper <br /> Phenolics Amber glass 500 H2s04, pH less than 2. 28 days <br /> Cool, 4°C <br /> Plastic/glass 100 Cool, C <br /> Phosphate (PO <br /> 4 48 how <br /> Phosphorus, total Plastic/glass 50 H2s04, pH less than 2 28 day: <br /> i <br /> Cool, 4°C <br /> Potassium (K) Plastic 200 <br /> ' pH Plastic/glass 50 Analyze immediately 2 hour <br /> Resistivity Plastic 100 Cool, 4°C 28 day: <br /> RECENFn t"AZ 1 3 '1990 <br />