2007-12-03_PERMIT FILE - C1980004A

• Permit No: C1980004A
• IBM Index Class Name: Permit File
• Doc Date: 12/3/2007
• Section_Exhibit Name: Tables 4.2 to 4.5-28
• Media Type: D
• Archive: Yes

Table 4.4-4
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 @ 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 U.S.D.A. Handbook 60, p. 26.
absorption- soluble Ca, Mg 8 Na
ratio concentrations
Texture U.S.D.A. textural U.S.D.A. Handbook 18, p. 205-233.
class
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
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