HYDRO20245

• Permit No: C1980001
• IBM Index Class Name: Hydrology
• Doc Date: 4/29/2002
• Doc Name: March 2002 DMRs & 1st Q 2002 WET Test
• From: WWC Engineering
• To: DMG
• Permit Index Doc Type: DMR’s
• Media Type: D
• Archive: No

Serving Our Clients Since 1980
~C Engineering
Civil Environmental Mining Water Resources
A DIVISION OF WESTERN WATER CONSULTANTS, INC.

61 I Skyline Road Laramie, Wyoming 82070 [phone] FAX [phone] E-mail: [e-mail]
April 24, 2002
Rw CDPS Permit CO-0032638
ti~ '7 Y i1 ,®~~
Mr. Tom Kaldenbach ~,~,. }
Colorado Division of Minerals and Geology ' ~ ~ v ~QQ?
1313 Sherman Street Division
Room 215 afMineralsandCeology
Denver, Colorado 80203-2273
RE: Edna Mine First Quarter 2002, WET Test, and March 2002 CPDS Results
Dear Mc Kaldenbach:
Enclosed are the Edna Mine's (Permit #CO-0032638) CPDS and WET test reporting results for
the above referenced monitoring period. During the month of March 2002, DMP 001 did not discharge.
DMP 004 did not exceed the compliance criteria during the monitoring period.
A grab sample taken at DMP 004 on March 18, 2002, exceeded the WET test compliance criteria
for p. promelas. Pittsburg and Midway Coal Mining Company (P&M) notified CDPHE via a letter dated
March 28, 2002 that accelerated testing would be performed at DMP 004. Accelerated tests were
performed on samples collected on April 1, 2002 and April 15, 2002. P&M notified CDPHE via a letter
that both accelerated samples passed compliance criteria, resulting in a pattern of no toxicity.
Please contact me at [phone] with any questions or
matter.
Kteve Linse, P.E.
Project Engineer
SL:gh
Enclosures
File: 99-144
cc: Mr. Steven Leach, w/ enclosures
OTHER LOCATIONS
1849 Terra Avenue 107 East First Stree[ 701 Antler Drive, Suite 233
Sheridan, Wyoming 82801 Gillette, Wyoming 82716 Casper, Wyoming 82601
Phone [phone] Phone [phone] Phone [phone]
Fax [phone] Faz [phone] Fax [phone]
E-mail: [e-mail] E-mail: infogl[@wwcengineering.com E-mail: [e-mail]
have regarding this
32 South Ewing, Suite 331
Helena, Mon[ana 59601
Phone [phone]
Fax [phone]
E-mail: [e-mail]