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PRE PACIFIC RIM ENVIRONMENTAL, INC. <br /> BULK SAMPLE ANALYSIS REPORT <br /> CLIENT: Lehigh Hanson PACRIM#: 16467 <br /> 6300 Glenwood Avenue REPORT#: 2018-10-0156 <br /> Everett, WA DATE RECEIVED: 10/22/2018 <br /> ANALYST: Sandra H. Rice Ft William F. Gottoway <br /> PROJECT: South Everett CADMAN Plant DATE ANALYZED: 10/22/2018 St 10/23/2018 <br /> 6300 Glenwood Avenue REPORT BY: Allison Lewis <br /> Everett, WA REPORT DATE: 10/24/2018 <br /> TURNAROUND: 3-5 Days <br /> SAMPLE DATE: 10/20/2018 PAGE: 1 of 12 <br /> Attached are the results of analysis of 52 bulk samples submitted for asbestos identification: Lab ID#2018-10-0156 <br /> through 2018-10-0207. <br /> The samples were analyzed in accordance with method EPA-600/R-93/116: "Method for the Determination of <br /> Asbestos in Bulk Building Materials". <br /> Unless otherwise noted, the samples were inhomogeneous; subsamples of components were analyzed to achieve <br /> representative analysis, Separate layers of layered samples are analyzed and reported separately. Unless <br /> otherwise stated, asbestos content was quantified by calibrated visual estimation (CVES), CVES concentrations <br /> are reported in 2 to 3 percent ranges for fiber concentrations ranging from 1-10%, and 5 percent ranges for <br /> concentrations greater than 10%. Samples in which asbestos was not observed are reported as"none detected". <br /> Limitations and Uncertainty: <br /> Factors such as sample quality,sample size,interfering matrix material,fiber size,and fiber concentration contribute <br /> to the uncertainty of asbestos concentration measurements in bulk materials. Relative errors exceeding 100% may <br /> occur in samples containing <1-10% asbestos. Relative errors are typically below 30% in samples with greater <br /> than 10%asbestos, and approach zero as the asbestos concentration approaches 100%. <br /> Asbestos fibers with diameters below approximately 0.25 micrometers are not detectable by PLM. These extremely <br /> fine fibers may occur in such products as floor tile, adhesives, and cement products. This limitation can be <br /> overcome, however, by the use of alternate analytical methods, such as Transmission Electron.Microscopy(TEM). <br /> This report cannot be represented by the client to claim product endorsement by NVLAP or any agency of the U.S. <br /> Government. This report shall not be reproduced except in full without written permission from the laboratory. <br /> NVLAP Accredited LAB#: 101631-0 Reports ,/ <br /> Samples submitted by: PacRim Reviewed By:,. <br /> Approved Si n or <br /> 6510 Southcenter Blvd., Ste. #40 www.pacrimenv.com Phone: (206)244-8965 <br /> Seattle, WA 98188 Toll Free 800-245-8965 <br />