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2007-11-20_REVISION - M1982015 (19)
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2007-11-20_REVISION - M1982015 (19)
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Last modified
6/16/2021 6:12:41 PM
Creation date
3/18/2009 4:25:55 PM
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Template:
DRMS Permit Index
Permit No
M1982015
IBM Index Class Name
REVISION
Doc Date
11/20/2007
Doc Name
Appendix 1, Email Correspondence
From
E-21 Engineering, Inc.
To
DRMS
Type & Sequence
TR3
Media Type
D
Archive
No
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Page 7 of 9 <br />were <br />sent for TCLP analysis on a 48 hour basis to confirm the 20x <br />assumption. <br />Those results should be available tomorrow or Saturday. <br />* E-21 proposes to perform the same methodology in-situ, <br />essentially <br />as adding absorbent material, to stabilize the material for safe <br />removal and <br />loading. The first three loads or batches will be taken from <br />representative <br />slurry material (the area of the trench presumed to be highest in <br />benzene <br />concentration), and will be sampled and analyzed for total benzene <br />(assuming <br />the existing TCLP analyses confirm the 20x assumption above). If all <br />three <br />batches exhibit total benzene below the 20x TCLP threshold, the <br />remainder of <br />the material will be stabilized and shipped for disposal as <br />non-hazardous <br />waste relying on process knowledge. <br />Please let us know if this proposed approach is acceptable to CDPHE. <br />Thanks again for the quick response on this. <br />Norm <br />Norman Higley, P.C. <br />Attorneys at Law <br />19557 East Main Street, #103 <br />Parker, Colorado 80138 <br />Phone: (303) 805-2855 <br />Fax: (303) 805-2856 <br />6/9/2007
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