1988-04-11_PERMIT FILE - C1981008A ‎(12)‎

• Permit No: C1981008A
• IBM Index Class Name: PERMIT FILE
• Doc Date: 4/11/1988
• Doc Name: Ground Water Quality Analysis Including Aquifer Statistics for Nucla & Proposed Nucla East Mining
• Section_Exhibit Name: Tab 7 Appendix 7-4
• Media Type: D
• Archive: Yes

NUCLA MINE GROUND WATER QUALITY -- FIELD REMARKS
SAMPLE POINT GW-N4(WA0004)
LOCATION 47N16W36BCC
GEOLOGIC UNIT DAKOTA COAL
DATE OF COLLECTION
10/18/79
04/10/80
12/18/80 COND= N/D, PH= N/D. BAILED SAMPLE. TOTAL MN=3.0 MG/L: CARB. ALK.=O MG/L: OH ALK.=O MG/L: DISS. SR.=6.78 MG/L
07/08/81 PUMPED WELL FOR 10 MINUTES.
12/18/81 PUMPED WELL FOR 5 MINUTES AT 5 GPM. PUMP SET AT 20FT.
06/24/82 TOTAL MN=2.22: OP=.008 MG/L: PUMPED WELL FOR 12 MINUTES AT 5.5 GPM WITH PUMP SET AT 20FT.
12/21/82 PUMPED WELL FOR IF MINUTES AT 4.5 GPM, AND THEN FOR 4 MINUTES AT 2.5 GPM WITH PUMP SET AT 20FT.
06/23/83 PUMPED WELL FOR 15 MINUTES AT 2.5 GPM, WITH PUMP SET AT 15.8FT.
10/27/83 PUMPED WELL FOR 17 MINUTES AT 2.5 GPM, WITH PUMP SET AT 20.2FT.
05/29/84 PUMP SET AT 16.1 FT. PUMPED 5 GPM FOR 2 MINUTES, THEN 2.5 GPM FOR 17 MINUTES.
10/18/84 PUMP SET AT 15.8FT. PUMPED 2.75 GPM FOR 16 MINUTES.
05/30/85 PUMPED WELL FOR 16 MINUTES AT 2.5 GPM WITH PUMP SET AT 18.85FT.
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10/17/85 FIELD COND=N/D: PUMPED 40 GALLONS WITH PUMP SET AT 19.9FT. GAS IN SAMPLE, SMALL AMOUNT OF COAL FINES PRESENT.
05/22/86 PUMPED AT 20 FT DEEP, 2.5 GPM FOR 19.75 MIN, GAS BUBBLES IN SAMPLE
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10/15/86 BAIL OUT 2 CV (48 GAL) THEN SAMPLE
04/29/87 BAIL OUT 2 CV (44GAL) THEN SAMPLE.
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