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Table I Page -10- <br /> RECOMMENDED <br /> SAMPLE. COLLECTION AND PRESERVATION <br /> Ana lVolume Holding <br /> is Contain (mL) Preservation Time E <br /> er <br /> Bacteriological <br /> Coliform-Fecal & Plastic/glass 50 0.008% NaS203 30 hrs. <br /> Total 2 <br /> Cool, 4°C <br /> Inorganic <br /> Acidity Plastic/glass 250 Cool, 4°C 14 dayF <br /> Alkalinity Plastic/glass 250 Cool, 4°C 14 dayF <br /> Ammonia Plastic/glass 500 H9SO4, PH less than 2 28 dayF <br /> Cool, 4°C <br /> Biochemical Plastic/glass 1000 Cool 4°C 48 hour <br /> Oxygen Demand ' <br /> Aluminum (A1) Plastic 200 HNO3, pH less than 2 6 mond <br /> Antimony (Sb) Plastic 200 HNO3, pH less than 2 <br /> 6 mnntf <br /> Arsenic (As) Plastic 200 HNO3' PH less than 7. 6 mond <br /> Barium (Be) Plastic 200 HNO3, PH less than 2 6 mon ti <br /> Beryllium (Be) Plastic 200 HNO3, PH less than 2 6 montl <br /> Bicarbonate (HCO3} Plastic 200 Cool} 4°C <br /> 14 days <br /> Boron (B) Plastic 200 28 day: <br /> Cadmium (Cd) Plastic 200 HNO3' PH less than 2 6 mond <br /> Calcium (Ca) Plastic 200 HNO3, pH Less than 2 6 <br /> montf 1 <br /> Carbonate (CO3) Plastic 200 Cool, 4°C 14 day., <br /> Carbon Dioxide Plastic/glass 100 Analyze immediately <br /> Chloride (Cl) Plastic/glass 50 7 days <br /> Chlorine Residual Plastic/glass 500 Analyze immediately 2 hours <br /> Chlorine Demand Plastic/glass 2000 Analyze immediately <br /> Chromium (Cr) Plastic 200 HNO3, PH less than 2 6 mon <br /> Chromium (Cr 6+) Plastic 200 Cool, 4°C 24 hour <br /> Cobalt (Co) Plastic 200 HNO3, PH less than 2 6 montf <br /> Color Plastic/glass 100 Cool, 4°C 48 hou: <br /> Copper (Cu) Plastic 2.00 HNO3, PH less than 2 6 mon t) <br /> Cyanide (CN) Plastic/glass 500 NaOH, PH greater than 12 24 hou- <br /> By distillation Cool, 4°C <br /> Electrical Plastic 100 Cool, 4°C 2 <br /> Conductivity 8 days <br /> Fluoride (F) Plastic/glass 300 <br /> 7 days <br /> Gold (Au) Plastic 200 HNO3, PH less than 2 6 mont3 <br /> RECEIVED MICR 1 3 1, 0 <br />