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rr_[cren ucTUnnc n[ nNer VSIC <br /> <br /> <br /> <br />I <br />CHEMICAL PARAMETERS <br />UNITS <br />METHOD OF ANALYSIS" <br />pH (Feld) pH Units field pH meter <br />Specific Conductance (field) uhmo/cm @ 25°C Wheatstone Bridge (Specific Conductance Meter) <br />Temperature (field) °C Field thermometer <br />Total Dissolved Solids mg/I Filtrate evaporation; calculation <br />Total Suspentled Solids mg/I Glass fber filtration 103° - 105° <br />Oil and Grease mgll Liquid-liquid extraction with trichlorotrifiuoroethane <br />Sodium Adsorption Ratio - Calculation <br />Dissolved Oxygen (feld) mgll as Oz Membrane electrode <br />Bicarbonate (HCO"a) mg/I Titration; electrometric, manual or automated method - <br />methyl orange atomic absorption <br />Calcium (Ca`z) mgll EDTA titration <br />Carbonate (CO"3) mg/I Titration; electrometric; manual or automated method - <br />methyl orange <br />Chloride (CI) mg/I Silver nitrate; mercuric nitrate; automated colodmefrio- <br />fertigcyanide <br />Magnesium (Mg'") mg/I Atomic absorption; gravimetric <br />Ammonia (NHa) mgll Automated calorimetric phenate; distillation <br />Nitrate-Nitrite mg/I Automated (cadmium reduction); automated (hydrazine <br />reduction) <br />Phosphate (POs' as P) mgll Direct single reagent; automated single reagent or <br />stannous chloride <br />Sodium (Na) nKyl Flame photometric; atomic absorption <br />Sulfate (SO"s) mg/I Gravimetric; turbidimetric; automated colorimetric -barium <br />chloranilate <br />Aluminum (AI) mg/I Atomic absorption <br />Aresenic (AS) mgll Atomic absorption <br />Cadmium (Cd) mg/I Atomic absorption <br />Copper (Cu) mg/1 Atomic absorption <br />Iron (Fe) mg/I Atomic absorption <br />Lead (Pb) mg/I Atomic absorption <br />Manganese (Mn) mgll Atomic absorption <br />Mercury (Hg) mg/I Flameless atomic absorption <br />Molybdenum (Mo) mg/I Atomic absorption <br />Selenium (Se) mg/I Atomic absorption <br />Zinc (Zn) mg/I Atomic absorption <br />AtltlltlDnal mem005 may oe swsawreu cam i yi ivy ayN~ cam .w....~ ~_ ~, •,~.~, ~. <br />A-4 <br />I <br />