GENERAL42394

• Permit No: M1999002
• IBM Index Class Name: General Documents
• Doc Date: 12/9/2003
• Doc Name: Well 20-12 Depressing & Abandon
• From: American Soda LLP
• To: DMG
• Media Type: D
• Archive: No

AIMERICAN
Ed Cooley
SODA L L P Environmental Safety and
f
Health Mana er
2717 County Road 215
Parachute. CO 81635
Wednesday October 22, 2003
Kent Walter
Field Office Manager
Bureau of Land Management
White River Resource Area
73544 Highway 64
Meeker, Colorado 81641
Dear Kent:
Direct Line [phone]
International Telephone [phone]
General Facsimile [phone]
ENV.236.03
Re: Change in Water Level at Monitoring Well 21-4DX
Solution mining activities have been curtailed in five production wells as follow:
20-14 (EPA Permit Number C03858-04599) -Ceased operation August 27, 2003 due to
nitrogen leak at well head.
20-02 (EPA Permit Number C03858-04597) -Ceased operation September 05, 2003 due to
negative mass balance after depressurization was initiated on well 20-14.
20-12 (EPA Permit Number C03858-04552) -Ceased operation September 23, 2003 due to
loss of Mechanical Integrity of well casing.
20-11 (EPA Permit Number C03858-04537) -Ceased operation September 26, 2003 due to
negative mass balance after initial pressure decrease from shut in of well 20-12.
21-15 (EPA Permit Number C03858-04564) -Ceased operation September 26, 2003 due to
negative mass balance.
Since notifying the EPA, BLM, and CDMG that these wells were placed on stand by, we have
initiated an investigation of activities associated with the operation of these wells and have
determined that pressure and possibly fluids from mining operations has entered the
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