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/---\* McCampbell Analytical, Inc. <br />"When Quality Counts" <br />1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br />http://www.mccampbell.com / E-mail: main@mccampbell.com <br /> <br />Glossary of Terms & Qualifier Definitions <br />Client: Atlas Technical Consultants <br />Project: 91-57962-PW; FUHSD <br />WorkOrder: 2102A42 <br />Analytical Qualifiers <br />Result is less than the RL/ML but greater than the MDL. The reported concentration is an estimated value. <br />Surrogate recovery outside accepted recovery limits. <br />a3 Sample diluted due to high organic content interfering with quantitative/or qualitative analysis. <br />a4 Reporting limits raised due to the sample's matrix prohibiting a full volume extraction. <br />c2 Surrogate recovery outside of the control limits due to matrix interference. <br />d7 Strongly aged gasoline or diesel range compounds are significant in the TPH(g) chromatogram <br />e2 Diesel range compounds are significant; no recognizable pattern <br />e7 Oil range compounds are significant <br />Quality Control Qualifiers <br />F2 LCS/LCSD recovery and/or RPD/RSD is out of acceptance criteria. <br />Page 3 of 68