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2003-06-06_REVISION - M1999034
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2003-06-06_REVISION - M1999034
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Last modified
6/15/2021 2:49:38 PM
Creation date
11/21/2007 4:16:42 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1999034
IBM Index Class Name
Revision
Doc Date
6/6/2003
Doc Name
Review of Hearing Exhibits and Objections
From
DMG(LDO)
To
DMG(HHP)
Type & Sequence
AM1
Media Type
D
Archive
No
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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832-8106 <br />Date: June 6, 2003 7`, <br />To: Larry Oehler ~ r„- <br />From: Harry Poseyi2 <br />t/ <br />RE: Review of Hearing Exhibits and Objections; Aggregate Industries Inc., <br />Cooley Reservoir and Fulton Wildlife Area, AM-01, M-1999-034, Adam; <br />County C/' 1/ <br />During the pre-hearing conference for the above captioned amendment, objector Karen <br />Topper (Topper) and the operator's representative and their consultant Bob Fleming <br />(Aggregate) discussed issues related to Topper's objection letters. Subsequently, the <br />Division received exhibits from both parties. This review examines several of the <br />objection issues. <br />COLORADO <br />DIVISION O F <br />MINERALS <br />GEOLOGY <br />REC LAMATIO N•MI NING <br />SAFETT•SC IENCE <br />Bill Owens <br />Governor <br />Greg E. Walther <br />Executive DirecYOr <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />1. Both Aggregate and Topper indicated in the Pre-Hearing that groundwater beneath <br />their properties had tested positive for DIMP in samples run by Tri-County Health <br />several years ago. Both parties were asked to submit this information as part of their <br />Exhibits for the Board Hearing. <br />Topper's letter indicates the following: DIMP measured 27.9 ug/L in her drinking <br />water well (Arapahoe Aquifer) in 1990 but below detection in 1991. In addition, one <br />of her shallow alluvial wells measured 5.2 ug/L in 1985. <br />Aggregate did not provide DIMP analyses as requested by the Division. <br />Topper has described a situation whereby mining might release DIMP or other <br />volatile organic compounds to groundwater and thereby injure water quality in her <br />drinking water wells. Her objection indicates that organic compounds, which <br />currently maybe adsorbed onto mineral particles, might desorb due to dewatering or <br />disaggregation by mining and then enter the groundwater in unsatisfactory <br />concentrations once re-saturated. The concentration of adsorbed organics is not <br />known; moreover, the concentration of organics that might appear in groundwater <br />under this scenario also is not known. However, the concept seems to have merit. <br />Office of Office of Colorado <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />
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