Laserfiche WebLink
April 2, 2021 Lab ID : STK2133581 <br /> San Joaquin Co.Environmental Health Dep Customer : 3-17919 <br /> Quality Control -Inorganic <br /> Definition <br /> BSRPD :BS/BSD Relative Percent Difference(RPD)-The BS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> ND :Non-detect-Result was below the DQO listed for the analyte. <br /> <</4 :High Sample Background-Spike concentration was less than one forth of the sample concentration. <br /> DQO :Data Quality Objective-This is the criteria against which the quality control data is com ared. <br /> Explanation <br /> 435 :Sample matrix may be affecting this analyte.Data was accepted based on the LCS or CCV recovery. <br /> Page 9of9 <br />