PERMFILE108426

• Permit No: C1981018
• IBM Index Class Name: Permit File
• Doc Date: 5/13/2002
• Doc Name: Geotechnical Investigation Deserado Coal Mine Waste Banks
• Section_Exhibit Name: Illustration 21
• Media Type: D
• Archive: No

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drilling and within a few days subsequent to drilling. The location •
of the ground water levels measured and the number of days subsequent
to drilling are shown on the Legs of Exploratory Holes (Figs, A-1
through A-3). Slotted P4~ pipe was installed in scone of the test
holes to nnnitor futuce ground water levels.
The location of 6 perrolation tests conducted at the site of the
three sediment ponds are shown on Fig. 3, The test results are
presented in Table II. Percolatirn tests were performed in accordance
with guidelines published in the U.S. [impartment of Health, Education
and Wielfare Manual of Septic Tank Practise (formerly Public Health
Service) Publication No. 526.