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HYDRO27634
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HYDRO27634
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Last modified
8/24/2016 8:47:04 PM
Creation date
11/20/2007 8:15:23 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1994082
IBM Index Class Name
Hydrology
Doc Date
10/29/2001
Doc Name
2nd Qtr 2001 DMRs
From
SENECA COAL CO
To
WQCD
Permit Index Doc Type
DMR’s
Media Type
D
Archive
No
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III IIIIIIIIIIIIIIII <br />999 <br />~~~ <br />S ENECA <br />Coal Company <br />Seneca Coal Company <br />July 23, 2001 <br />Colorado Department of Health ~1~CEIVED <br />wQcD-PE-Bz <br />4300 Cherry Creek Drive South Q~T `Z ~ 20~1~ <br />Denver, CO 80222-1530 <br />D&i_ iaq of "5r, a1s 8 Ge !oo~ <br />RE: Quarterly Discharge Monitoring ~epor~ ~or Permit CD-0000221 <br />Dear Sir or Madam: <br />Pursuant to the quarterly reporting requirements contained in <br />Colorado Discharge Permit CO-0000221 for the Seneca Mine Complex, <br />enclosed find the second quarter 2001 discharge monitoring <br />reports for Sites 002 to 006 and 008 to 017. In this quarter, <br />intermittent discharges occurred at Points 005 and 006;. no <br />discharges occurred at Point 009. Weekly vehicle access to <br />Points 015 and 016 were closed in April due to deep snow, monthly <br />visits in April were conducted with a snowmobile. Points 013,. <br />014 and 017 have not been constructed yet. <br />In a letter dated June 1, the Division was notified of a <br />Ceriodaphnia WET test failure on a sample collected May 22 at <br />Point 016. Accelerated tests were conducted on samples collected <br />May 30 and June 4. Both of those tests passed, and the Division <br />was again notified in a letter dated June 13 that the toxicity <br />episode had ended. Both of these letters have been attached. <br />The cause of the initial failure is unknown. No other effluent <br />limits were exceeded this quarter. Please contact me at 970-276- <br />5109 if you have any questions. <br />Sincerely, <br />Dennis Jones <br />Hydrologist I <br />cc:~ Division of Minerals and Geology <br />,V// Attn. Mike Boulay <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203-2273 <br />Seneca Coal Company P.O. Drawer D Hayden, Colorado 81639 <br />Telephone (970) 276-3707 FAX (970) 276-3014 <br />
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