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Case Narrative <br />Analytica Environmental Laboratories, Inc. <br />Work Order: B1009086 <br />Samples were prepared and analyzed according to EPA or equivalent methods outlined in the <br />following references: <br />Methods for the Determination of Metals in Environmental Samples, EPA/600/R-94/111, May <br />1994. <br />SAMPLE RECEIPT: <br />One (1) sample was received on 9/14/2010 at 10:30:00 AM at a temperature of 5.9°C at <br />Analytica-Thornton. The sample was received in good condition and in order per chain of <br />custody. <br />Comments: <br />Sample was received out of method specified holding time for anions. Client authorized <br />analyzing the sample out of hold for anions. <br />REVIEW FOR COMPLIANCE WITH ANALYTICA QA PLAN <br />A summary of our review is shown below, organized by test: <br />Test Method: 200. 7 - Metals by ICP - Dissolved Metals - Drinking Water <br />HOLDING TIMES: <br />Holding times were met for this test. <br />SAMPLE PREPARATION ISSUES AND OBSERVATIONS: <br />There were no unusual observations. <br />INSTRUMENT PERFORMANCE CHECKS: <br />Instrument checks were within method criteria. <br />INITIAL CALIBRATIONS: <br />Initial calibrations were within method criteria. <br />OPENING CONTINUING CALIBRATIONS: <br />Opening continuing calibrations were within method criteria. <br />CLOSING CONTINUING CALIBRATIONS: <br />Closing continuing calibrations were within method criteria or not applicable. <br />METHOD BLANK OUTLIERS: <br />There are no method blank outliers. <br />LCS OUTLIERS: <br />There are no LCS outliers. <br />MS/MSD and DUP OUTLIERS: <br />There are no MS/MSD or DUP outliers. <br />Test Method: 200. 7 - Metals by ICP - Total - Drinking Water <br />Note that for sodium the dissolved result is numerically larger than is the total result. <br />Sodium shows a relative percent difference between the two values that is less than 20%, <br />indicating that the numbers cannot be considered significantly different.