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<br />November 7, 1986 <br />~ III IIIIIIIIIIIIIIII ~ <br />Ms. Patricia C. Martinek <br />Reclamation Specialist <br />Mined Land Reclamation Division <br />423 Centennial Building <br />1313 Sherman Street <br />Denver, Colorado 80c^03 <br />VALCO, INC. <br />PUEBLO CONCRETE DIVISION <br />P. 0. BOX 857 <br />PUEBLO, COLORADO 81002 <br />1303) 561-8350 <br />~~c~ fir, <br />~~ <br />Re: Pueblo West Rmendment No. 1 - File No. M-77-573 <br />Dear Ms. Martinek: <br />Please find enclosed the results of our• "E. P. Leach Toxicity Rnal- <br />ysis" that were performed by Mr. Bob Rost ad of Hazen Research, Inc. <br />These tests were done at the request of Mr. Thamas 6rubaker, Presi- <br />dent of Valco, Inc., as indicated ire his letter to you dated Septem- <br />ber 23, 1986. You will find a copy of that letter included with <br />these tests. <br />The tests appear to indicate that usage of this material as backfill <br />would not exceed any of the limits of concentration permitted. <br />If you are in agreement with this, we would like to commence back- <br />filling with this and other satisfactory material. <br />Thank you for your help, and if you have any questions please call. <br />S i ncer•e 1 y, <br />~~~ <br />Richard Hervatin <br />Valco, Inc. <br />enclosure: <br />RH/ly <br />ROCKY FORD LAM AR CANON CITY <br />G UN NISON <br />