1996-07-29_HYDROLOGY - M1984049

• Permit No: M1984049
• IBM Index Class Name: Hydrology
• Doc Date: 7/29/1996
• Doc Name: REQUEST FOR TECHNICAL ASSISTANCE HYDROLOGIC MONITORING ISSUES ENVIRONMENTAL PROTECTION PLAN TR4
• From: DMG
• To: HARRY POSEY
• Media Type: D
• Archive: No

•� iii iiiiiiiiiii
5TATE OF COLOMDO
DIVISION of MINERALS AND GEOLOGY
1 3 T 3 Sherman
Department of St., Room
Resources
1313 Sherman 51., Room 2I5
Denver,Colorado 80203
Phone:[phone]
FAY.(303)832-8T06
DEPARTMENT OF
DATE: July 29, 1996 NATURAL
RESOURCES
TO: Harry Posey Rov Romer
Governor
lames S.Lochhead
FROM: Wally Erickson Evecueve Director
Michael B.Long
RE: Request for Technical Assistance, Hydrologic Monitoring Issues, Divimno Director
Environmental Protection Plan, TR-04,
Howardsville Mill, Permit No. M-84-049.
On 7/12/96, DMG denied the operator's application for TR-04, Environmental Protection
Plan (EPP). On 7/18/96, DMG issued RTB for failure to submit an EPP within the
extended statutory deadline. On 7/15/96, DMG received response from the operator to
previous DMG adequacy letters for TR-04, EPP. Please find enclosed, copy of the
operator's response, submitted 7/15/96.
Even though DMG review period for TR-04, closed on 7/12/96, DMG reviewed the
7/15/96 submittal and generated a fourth adequacy letter on 7/29/96. Please find
enclosed, copy of DMG 7/29/96 adequacy letter.
On 7/17/96, DMG inspected the Howardsville Mill and observed numerous PVs, all
relating to hydrologic impact. Please find enclosed, copy of DMG 7/17/96 inspection
report. On 7/23/96, DMG issued RTB for failure to minimize hydrologic impact.
The 7/15/96 submittal contains response to your memo dated 12/7/95, addressing
hydrologic monitoring for the Howardsville Mill. Please review the enclosed response
from the operator, and provide comment upon the geochemical and hydrologic issues.
Specifically, please comment upon the operator's request to utilize the analytical
detection limits stated in EPA 600/4-79-020, "Methods for Chemical Analysis of Water
and Wastes", 1983, and "Standard Methods for the Examination of Water and Waste
Water", 19th ad., 1995, for analysis of hydrologic monitoring samples.
DMG has scheduled both RTBs for the 8/28/96 - 8/29/96 Board meeting. I would like to
arrive in Denver on 8/27/96 and discuss the geochemical and hydrologic issues with you,
if you will be available.
cc: Jim Pendleton
H. Bruce Humphries