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CALIFORNIA LABORATORY SERVICES Page 35 of 35 09/07/1109:37 Wastequip Project: Paint Booth Over Spray&Characterization 11900 E.Locke Road Project Number: [none] CLS Work Order#:C000883 Lockeford,CA 95237 Project Manager: Rick Daudert COC#: 126131 Notes and Definitions QS-4 The surrogate recovery for this sample is outside of established control limits due to a sample matrix effect. QRL-7 The initial volume was decreased or the final volume of the extract was increased due to matrix interference,which resulted in higher reporting limits. QR-1 The RPD value for the sample duplicate or MS/MSD was outside of the QC acceptance limits due to matrix interference.QC batch accepted based on LCS and/or LCSD recovery. QM-7 The spike recovery was outside acceptance limits for the MS and/or MSD. The batch was accepted based on acceptable LCS/LCSD recovery. QM-5 The spike recovery was outside acceptance limits for the MS and/or MSD due to matrix interference.The LCS and/or LCSD were within acceptance limits showing that the laboratory is in control end the data is acceptable. QM-4X The spike recovery was outside of QC acceptance limits for the MS and/or MSD due to analyte concentration at 4 times or greater the spike concentration.The QC batch was accepted based on LCS and/or LCSD recoveries within the acceptance limits. QM-1 The spike recovery was outside acceptance limits for the LCS or LCSD. The batch was accepted based on acceptable MS/MSD recoveries&RPD's. F-03 >60 A-COM The recoveries of BS,BSD,MS were high;however,all samples were ND. Therefore,re-analysis was not performed. DEP Analyte DETECTED NO Analyte NOT DETECTED at or above the reporting limit NR Not Reported dry Sample results reported on adry weight basis RPD Relative Percent Difference CA DOHS ELAP Accreditation/Registration Number 1233 3249 Fitzgerald Road Rancho Cordova,CA 95742 www.californialab.com 916-638-7301 Fax: 916-638-4510