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AeaMmaM A Icon} 1 WATER Ol1ALITY - Slll`.CESTEO METNOOS OF ANALYSIS <br />CHEMICAL PARAMETERS <br />UNITS <br />METHOD OF ANALYSIS'" <br />pH (field) pH Units field pH meter <br />Specific Conductance (field) uhmo/cm (8 25°C Wheatstone Bridge (Specific Conductance Meter) <br />Temperature (field) °C Field thermometer <br />Total Dissolved Solids mg/I Filtrate evaporation; calculation <br />Total Suspended Solids mgA Glass fiber filtration 103° - 105° <br />Oil and Grease mgA Uquitl-liquid extraction with ldchforotdfiuoroethane <br />Sodium Adsorption Ratio - Calculation <br />Dissovled Oxygen (field) mgA as Oz Membrane electrode <br />Bicarbonate (HCO-a) mgll Titration; electrometdc; manual or automated method - <br />methyl orange atomic absorption <br />Callum (Ca'Z) mgll EDTA titration <br />Carbonate (CO'e) mgll Titration; electromeMc; manual or automated method - <br />methyl orange <br />Chloride (CI) mgA Silver nitrate; mercuric nitrate; automated colorimetdc- <br />ferrigcyanide <br />Magnesium (Mg's) mgll Atomic absorption; gravimetric <br />Ammonia (NHa) mgll Automated colodmetric phenate; distillation <br />Nitrate-Nitrite mgll Automatetl (cadmium reduction); automated (hydrazine <br />reduction) <br />Phosphate (POaa as P) mgA Direct single reagent; automated single reagent or <br />stannous chlodde <br />Sodium (Na') mgA Flame photometric; atomic absorption <br />Sulfate (SO"a) mgA Gravimetric; turbidimetdc; automated colorimelric -barium <br />chloranilate <br />Aluminum (AI) mgA Atomic absorption <br />Aresenic (AS) mgA Atomic absorption <br />Cadmium (Cd) mgA Atomic absorption <br />Copper (Cu) mglt Atomic absorption <br />Iron (Fe) mg/l Atomic absorption <br />Lead (Pb) mgA Atomic absorption <br />Manganese (Mn) mg/I Atomic absorption <br />Mercury (Hg) mgA Flameless atomic absorption <br />Moybdenum (Mo) mgA Atomic absorption <br />Selenium (Se) mgA Atomic absorption <br />Zinc (Zn) mg/I Atomic absorption <br />• Addaional methods may be substituted wah prior approval from the Division. <br />A-4 <br />