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" ~~ Banks and Gesso, LLC 720 Kipling St.,Suite117 <br />^^ Lakewood, Colorado 80215 <br />November 19, 2002 (303) 274-4277 <br />Fax (303)274-8329 <br />www. banksandgesso.com <br />Harry Posey, Ph. D ~ j2 _ 2 <br />state of Colorado RECEI VEp <br />Division of Minerals and Geology <br />1313 Sherman Street, Room 215 DEC 0 9 ~ <br />Denver, Colorado 80203 <br />/ Division of Minerals and Geology <br />Subject: Cemex, Inc., Lyons Mine, Permit No. M-1977-208 <br />Cement Kiln Dust (CKD) Testing <br />Dear Harry: <br />Erica Crosby's letter of November 7, 2002 requested additional CKD testing in response <br />to the test burn of tires at the cement plant. This letter outlines Cemex's plan to perform <br />that testing. <br />In 1999, Southdown, Inc. (Cemex's predecessor) extensively tested the CKD. The <br />analyte list frgm that testing is attached. It proposed that this list of analytes be repeated <br />on two samples, one sample taken just before the test tire burn and one sample taken <br />towards the end of the test tire burn. This will provide three sets of laboratory results <br />over a period of time for comparison purposes. <br />Concerning soluble organics, we propose to analyze for total organic carbon (TOC). If <br />there is a TOC detection in the tire burn sample we will then analyze the CKD for the <br />following: <br />Volatile Organic Compounds (8260) <br />Semivolatile Organics (8270) <br />PCB (8082) <br />We will reSuest That laboratory determine Tentaiiveiy Idehtified Compounds (Tic's). <br />Please let me know as soon as possible if this is acceptable. <br />S' rely, <br />~~~~~~~ <br />/ Paul Banks <br />..-.. , _ . <br />Cc.' .Erica Crgsby, DMG .. ~. <br />Steve Mossberg; Cemex . <br />Attachment <br />Cemex, Inc: CKD Testing-02053 <br />Correspondence <br />