1986-11-01_PERMIT FILE - C1981008A ‎(4)‎

• Permit No: C1981008A
• IBM Index Class Name: PERMIT FILE
• Doc Date: 11/1/1986
• Doc Name: Soil Survey Scraped Pits
• Section_Exhibit Name: Tab 9 Attachment 9-4
• Media Type: D
• Archive: Yes

Table 9-4-1
Parameter, Procedure and Reference List for Soil Survey at
the Nucla Mine Scraper Pits
November, 1986
Parameter Procedure
' Sample Preparation Samples were dried at 30-35°C. Samples
were crushed to pass a 10-mesh sieve
(excessive grinding was avoided) .
Subsampling less than USDA Handbook 60, 1969 - Diagnosis and
2 rnm fraction Improvement of Saline and Alkali Soils , Method
1, pp. 83-84.
Coarse Fragment USDA Handbook 436, App. I , pg. 472; Soil
Survey Laboratory Methods & Procedures for
JCollecting Soil Samples , pgs . 9 and 12-13.
Preparation of saturated USDA Handbook 60, Methods 2 and 3a, pp. 84 and
paste extract and saturation 88, and Method 27b, p. 107. 10-mesh sieve.
J,percentage determination
pH (determination using USDA Handbook 60, Method 21a , p. 102.
saturated paste) 10-mesh sieve.
Conductivity of saturation Sandoval and Power, U.S.D.A. Handbook 525,
extract in mrnhos/crn 1977, Laboratory Methods Recommended for
at 25°C. Chemical Analysis of Mined Land Spoils and
Overburden in Western United States , Method 1,
/ pp. 22-24. 10-mesh sieve.
✓ Particle-size Analysis Hydrometer Method. ASA Mono. No. 9, pt. l ,
method 43-5, pp. 562-566. An eight hour
settling time utilized for clay. Sieve Analysis
for vfs ( 140-270) mesh. ASA Mono. No. 9, Part
/ 1, pp. 554-556. Black, 1965 acid 1982.
Texture / / / USDA Handbook 18, pgs. 205-223.
Soluble Ca, Mg , Na , HCO 3 Extraction of Ca , Mg , Na , HCO and SO by USDA
and SO Handbook 60, method (3a) , pg.384. Analysis by
/ atomic adsorption spectrophotornetry.
✓ Sodium-adsorption ratio USDA Handbook 60, pg. 26.
9-4-10 Rt-visea Il/01/86