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-9- <br /> TABLE 5. OVE"URDErY GEOCHEMISTRY - SUGGESTED METHODS OF ANALYSIS <br /> Chemical <br /> Parameter Uni is Methods of Anal sis ** <br /> PH (Paste) PH ,n,;is Saturated paste <br /> Electrical Conductivity umhos/cm Saturated paste extract <br /> Total Combustible Solids ppm Dry ash; D 3174-73 <br /> Lithologic Classification -- Visual observation <br /> Textural Analysis ' <br /> Z sand Z Steve analysis <br /> % silt z <br /> Hydrometer <br /> x clay x <br /> Saturation Percentage Z Hydrometer <br /> Saturated paste , <br /> Sodium Adsofrytlon Ratio -- Saturated paste extract <br /> Calcium (Ca ) ppm Saturated paste extract <br /> Magnesium (Mgf2) ppm Saturated paste extract <br /> filtrate-Nitrite__ ppm Saturated paste extract <br /> Sodium (Nat) • _ - • ppm Saturated <br /> Sulfur paste extract <br /> Z Pyritic Sulfur x D 2492-79 j <br /> % Sulfate Sulfur % D 2492-79 <br /> `+ Organic Sulfur % D 2492-79 <br /> Total Sulfur ppm D 3177-75 <br /> Arsenic (As) ppm AB-DTPA; Ammonium Bicarbonate <br /> Boron (B) ppm Saturated paste extract <br /> Zzon (re) <br /> Lead (Pb) ppm AB-DTPA; DTPA <br /> PPm AB-DTPA; DTPA <br /> Manganese (!27) PPm AB-DTPA; DTPA <br /> Mercury (Hg) ppm Acid extract <br /> Molybdenum (Mo) ppm AB-DTPA; A=Xmi,um oxi la to <br /> Selenium (Se) ppm AB-DTPA; Sot water extract <br /> Zinc (Zn) ppm AB-DTPA; DTPA <br /> * Additional methods may be substituted with Prior approval from the Division. <br /> '* References which describe these methods: <br /> ASTM, 1980, Gaseous fuels; goal and coke; atmospheric analysis: annual book <br /> of ASTM standards, part 26, ASTti, Z916 Race St., Philadelphia, Pennsylvania,19203. <br /> Fine, L.O., 1965, Selenium, Chavt. of "Methods of soil analysis, pa--- 2", <br /> Agrom. Monogrm. 9, Amer. Soc. Agron., Madison, Wisconsin, p. 1122. <br /> Follett and Lindsay, 2972, DTPA - Extractable: Soil Science Soc. of Amer, <br /> Proc., Vol. 35, No. 4, pp. 600-602. <br /> Olsen, S.R., and Dean, L.A., 2965, Phosphorus, chant. 73 of "Methods of <br /> - -soil analysis, part 2", Agron• Vonogr• 9, Amer. Soc. Agron., Madison, <br /> Wisconsin, pp. 910-911. <br />