HYDRO31609

• Permit No: C1981013
• IBM Index Class Name: Hydrology
• Doc Date: 4/8/1992
• Doc Name: Proposed Water Monitoring
• From: Roy L Cox
• To: Susan Mowry
• Permit Index Doc Type: Correspondence
• Media Type: D
• Archive: No

Richard D. Lamm
Governor
DEPARTMENT OF NATURAL RESOURCES
Davitl H. Getches, Executive Director
MINED LAND RECLAMATION DI\
DAVID C. SHELTON, Director
DATE: November 18, 1983
T0: Fred Banta
FROM: Roy L. Cox
~,~~
RE: Response to CF&I Letter Dated April 27, 1982, from
Jack D. Gillespie, File No. C-O12-81 and C-013-81
The following discussion is a belated response to a letter from
Jack Gillespie to CF&I dated April 27, 1982. I have proceeded my
response with a historical prospective.
On July 20, 1981, Susan Mowry and I met with Dave Zeeb and Jack Gillespie
to discuss reduction in hydrologic monitoring at the CF&I's Allen and
Maxwell Mines. At the meeting with CF&I, the company proposed their
reduced monitoring plan to the Division. At that meeting all parties
agreed on the existing monitoring site at which continued monitoring
should take place. I did not agree with the water quality monitoring
proposed. The company wanted to only monitor field water quality
parameters of pH and electro-conductivity. I stated that the salt loads
(ionic balance) at a minimum should be analyzed and that I would have to
do an analysis of all the overburden and water quality data prior to
dropping out all trace metals. No verbal agreement was made as to the
parameters to be monitored.
On October 8, 1981, Mined Land Reclamation Division (MLRD) visited the
Maxwell and Allen Mines. The monitoring sites were shown to the MLRD
staff and the company's proposed monitoring scheme was reinterated. No
verbal agreement was made by me on the parameters to be monitored.
For the first draft findings, I reviewed the hydrologic monitoring plan
for Dave Craig and Jerry Zimpfer. This included a review of all
overburden (coal, roof, floor, and refuse pile materials) and surface and
ground water chemistry data. The overburden data were analyzed for the
occurrance and concentration of each chemical parameter. The overburden
analyses were then compared with the water quality analyses.
On April 1, 1982, I contacted the Colorado Department of Health to find
out if receiving stream standards had been established for the Purgatoire
River. I requested a copy of the promulgated proposed standards. I
received a copy of the standards on April 3, 1982. After receiving these
standards, I prepared a list of water quality parameters by eliminating
those constituents which were not considered suspect in my analysis of
the overburden and water quality data. The reasoning for requiring the
monitoring for receiving stream standards are described in detail in the
following paragraphs.
423 Centennial Building, 1313 Sherman Street Denver, Colorado 80203 Tel. [phone]