PERMFILE116386

• Permit No: C1981020A
• IBM Index Class Name: Permit File
• Doc Date: 2/24/2003
• Section_Exhibit Name: Tables - 4.2-1 through 4.8-34
• Media Type: D
• Archive: Yes

TABLE 4.7-4
TECHNIQUES USED IN SOIL ANALYSIS
Parameter Reported as
Recommended Procedure
pH Hydrogen ion activity U.S.D.A. Handbook 60, method (21a),
at saturation (paste) p. 102.
Conductivity mmhos/cm e 25°C U.S.D.A. Handbook 60, method (31),
p. 84 and method (4b), p. 89-90,
or A.S.A. Mono. No. 9, Part 2,
pp. 937-940.
Soluble ppm Extraction of Ca, Mg, and Na by
Ca, Mg 8 Na U.S.D.A. Handbook 60, Method (3a)
p. 84, Analysis by atomic absorp-
tion spectrophotometry.
Sodium- SAR calculated from
absorption- soluble Ca, Mg 8 Na
ratio concentrations
U.S.D.A. Handbook 60, p. 26.
Texture U.S.D.A. textural
class
U.S.D.A. Handbook 18, p. 205-233.
Organic Percent A.S.A. Mono. No. 9, Part 2, method
matter 90-3, pp. 1372-1376.
Compiled from Table I-1: WDEQ, Guideline No. 1, revised Feb. 1980
u