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aueaeee~ui P-~ <br />Laboratory analysis was performed by Inter-Mountain Laboratories, Inc. (IML). IML is <br />accredited by the American Industrial Hygiene Association (AIHA) to perform TCLP <br />analysis. Analysis of the material was done in accordance with EPA Method SW-846 <br />Method 6010A & 7470A. <br />B. Results of TCLP Sampling <br />A description of ttte waste stream samples and the laboratory results of the testing aze <br />provided in Appendix A. A review of the data indicates that 0 of 1 waste streams <br />sampled aze considered hazardous waste. <br />III. CONCLUSIONS AND RECOMMENDATIONS <br />A. Presence of Potential Lead Hazards <br />Based on the laboratory results of the waste stream sample collected and analyzed, the <br />leachable lead content in the waste scheduled for disposal in the on-site quarry is below <br />the EPA standard of 5 parts per million (mg/L). Waste less than the EPA level can be <br />disposed of as general construction debris in the quarry in accordance with The Colorado <br />Department of Public Health and Environment (CDPHE) Division of Minerals and <br />Geology Technical requirements dated Mazch 26, 2003 Permit No. M-1977-348. <br />B. Limitations of Investigation <br />KWI's lead testing results are applicable for the time that was conducted and for the <br />condition of surfaces at the time they were tested. If questions arise regazding lead <br />condition in or on surfaces that were not tested by KWI, then additional testing services <br />should be vZocured,Zo. Test those surfaces for lead. <br />D~ <br />