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North Coast Laboratories, Ltd. Date: 21-Sep-00 <br /> CLIENT: McCampbell Analytical <br /> Project: 21611/Home Depot. Tracy CASE NARRATIVE <br /> Lab Order: 0008530 <br /> EPA 8141A: <br /> The reporting limit for azinphos was raised due to loss of instrument sensitivity. <br /> EPA 8151A: <br /> Surrogate recoveries for CS-1/45555 and CS-3/45557 were outside of acceptance limits. The surrogate <br /> recoveries for the quality control samples were within acceptance limits. This indicates that the low <br /> surrogate recoveries may be due to matrix effects from the sample. <br /> 1 <br /> NORTH COAST LA80RATH)RIFS <br /> 56130 West End Road • Arcata,California 95521 • 707 82:.'-►r,49 • FAX 707-822-68:31 <br />