2018-01-31_REPORT - C1981018 (2)

Home Browse Search

A-4 Attachment A (cont.) WATER QUALITY - SUGGESTED METHODS OF ANALYSIS CHEMICAL PARAMETERS UNITS METHOD OF ANALYSIS** pH (field) pH Units field pH meter Specific Conductance (field) uhmo/cm @ 25oC Wheatstone Bridge (Specific Conductance Meter) Temperature (field) oC Field thermometer Total Dissolved Solids mg/l Filtrate evaporation; calculation Total Suspended Solids mg/l Glass fiber filtration 103o - 105o Oil and Grease mg/l Liquid-liquid extraction with trichlorotrifluoroethane Sodium Adsorption Ratio -- Calculation Dissovled Oxygen (field) mg/l as O2 Membrane electrode Bicarbonate (HCO-3) mg/l Titration; electrometric; manual or automated method - methyl orange atomic absorption Calcium (Ca+2) mg/l EDTA titration Carbonate (CO-3) mg/l Titration; electrometric; manual or automated method - methyl orange Chloride (Cl-) mg/l Silver nitrate; mercuric nitrate; automated colorimetric- ferrigcyanide Magnesium (Mg+2) mg/l Atomic absorption; gravimetric Ammonia (NH3) mg/l Automated colorimetric phenate; distillation Nitrate-Nitrite mg/l Automated (cadmium reduction); automated (hydrazine reduction) Phosphate (PO4-3 as P) mg/l Direct single reagent; automated single reagent or stannous chloride Sodium (Na+) mg/l Flame photometric; atomic absorption Sulfate (SO-4) mg/l Gravimetric; turbidimetric; automated colorimetric - barium chloranilate Aluminum (Al) mg/l Atomic absorption Aresenic (As) mg/l Atomic absorption Cadmium (Cd) mg/l Atomic absorption Copper (Cu) mg/1 Atomic absorption Iron (Fe) mg/l Atomic absorption Lead (Pb) mg/l Atomic absorption Manganese (Mn) mg/l Atomic absorption Mercury (Hg) mg/l Flameless atomic absorption Molybdenum (Mo) mg/l Atomic absorption Selenium (Se) mg/l Atomic absorption Zinc (Zn) mg/l Atomic absorption * Additional methods may be substituted with prior approval from the Division.