Laserfiche WebLink
t <br /> ' ROY F. WESTON, INC. <br /> STOCKTON LABORATORY <br /> ' METALS CASE NARRATIVE <br /> E <br /> Client: Areg Major Mart <br /> a W <br /> RFW#: 93085597 O.#: 03988-016-003-0004 <br /> Date Recd: 08/11/93 <br /> t <br /> 1 This narrative covers the analysis of three water samples for Lead. <br /> 2 The samples were prepared and analyzed in accordance with EPA method 239 2. <br /> 3 All analyses were performed within the required holding tunes. <br /> 4 All Irutial and Continuing Calibration Verifications (ICV/CCV's)were within control <br /> ontrol <br /> 5 All Initial and Continuing Calibration Blanks 's(ICB CCB <br /> / )were within control limits, <br /> ' b All Preparation/Method BIanks were below Reporting Limits. <br /> 7 All Laboratory Control Samples (LCS)were within the 80-120% control limits except <br />' for Lead (exceptions allowed for Ag and Sb). All samples were redngested and <br /> reanalyzed for Lead All the Lead data was reported from digestion batch 93S2120 <br />' 8 All Matrix Spike recoveries were within the 75-125% control limits (exception <br /> allowed when sample concentration exceeds the spike added concentration by a <br /> factor of 4 or more). <br /> 9 All Duplicate analyses were within the 20% Relative Percent Difference (RPD) <br /> control limits for sample values greater than 5X Reporting Limit, or +/- the <br />' Reporting Limits for sample values less than 5X Reporting Limit. <br /> 10 Method of Standard Additions (MSA) analyses were not required. <br /> F <br /> T L. Hammonds Date <br /> Inorganic Section Manager <br /> 1 <br />