GENERAL43795

• Permit No: C1989074
• IBM Index Class Name: General Documents
• Doc Date: 3/29/1994
• Doc Name: PATTERN OF VIOLATIONS RIMROCK COAL CO THE RIMROCK STRIP MINE PN C-89-074
• From: DMG
• To: MICHAEL B LONG
• Permit Index Doc Type: GENERAL CORRESPONDENCE
• Media Type: D
• Archive: No

STATE iii iiiiiiiiiiiu iii
999
OF COLORADO
DIVISION OF MINERALS AND GEOLOGY
Department of Natural Resources
1713 Sherman 51.. Room 215

Denver, Colorado 80203 ~~~~~
Phone'. [phone]
FAX. [phone]
DEPARTMENT OF
NATURAL
RESOURCES
Date: March 29, 1994
Roy Romer

To: Michael B. Long, Division Director Governor
Ren saga=a,
' Execmrve Dvraur
From: Steven G. Renner, Coal Program Supervisor Michael B Long
' Orvision Dueaor
Re: Pattern of Violations, Riirlrock Coal Company
The Rimrock Strip Mine, Permit No. C-89-074
i
Division staff have determined that a Pattern of Violations as defined in Rule 5.03.3(21(a) has
existed at the Rimrock Strip Mine in Las Animas County. Six Notices of Violation and one
Cessation Order were issued to Rimrock Coal Company between January 28, 1993 and
August 12, 1993. These violations were issued as the result of inspections conducted on
January 12, 1993; April 9-10, 1993; April 15, 1993; May 25, 1993; June 18, 1993; and
July 19, 1993.
The Cessation Order and all of the Notices of Violation have been upheld either in assessment
conferences or Board hearings. A total of $3,650.00 in civil penalties has been paid by the
permittee, with 51,350.00 for one NOV remaining outstanding. All periods for appeal of the
NOVs and CO have passed, with no appeals having been filed by the permittee.
The Cessation Order and five of the six NOVs were issued for violations of the performance
standards related to protection of the hydrologic balance (Rule 4.05). These violations are:
1. NOV C-93-005 -Issued for the permittee's failure to construct its sediment pond embank-
ment per the regulations (January 12, 1993 inspection).
2. NOV C-93-053 -Issued for the permittee's failure to pass disturbed area drainage through a
sediment pond prior to its leaving the permit area, and for failure to remove, store, protect
and identify topsoil (April 9-10, 1993 inspection-.
3. CO C-93-054 -Issued for the permittee's failure to achieve sufficient compaction of the
sediment pond embankment to ensure stable slopes with a minimum safety factor of 1.3
(April 9-10, 1993 inspection).
4. NOV C-93-085 -Issued for the permittee's failure to maintain two access road culverts
(May 25, 1993 inspectionl.
5. NOV C-93-100 -Issued for the permittee's failure to follow its approved hydrologic
monitoring plan (June 18, 1993 inspection).