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<br />INORGANIC DATA QUALITY ASSURANCE REVISE) ' <br />FORK 6 - ICP I~'R4~RENCE CSSCL SAMPLE <br />The ICP interference check sample (ICS) was run twice per eight hour <br />shift andjor at the beginning and end of each sample set analysis <br />sequence (whichever ie more frequent). <br />Yee X No _ <br />Comments: None <br />Percent recovery of the analytea in solution ICSAH were within the range <br />of 80-1201. <br />Yee X No _ <br />Comments: None <br />The ICSA and ICSAH contained no false positive or false negative reeulte <br />greater than the IDL. <br />Yea NO X <br />Comments: The following reeulte greeter than the IDL were reported for <br />the interference check samples for the water sample analyear. Potential <br />interferences were low in concentration. No sample reeulte were <br />qualified. <br />ELDEMT TIME VANE (OL <br />(ua/L) ICGI <br />(lo/L) ICIiAF <br />(u4(L) <br />Antimony 0 3.0 -6 -10 <br />Cadsi us 0 1.0 -3 •4 <br />Copper 0 1.0 2 2 <br />LeW 0 1.0 -2 •4 <br />Selenium 0 5.0 < 1DL 9• <br />Sodium 0 190.0 197 219 <br />Thallium 0 3.0 4 < IDL <br />Zinc 0 1.0 9 9 <br />ELE)EMT TgIE VALIE IOL <br />(up/L) ICWI <br />(v0/L) 1CWF <br />(uyl) <br />Aroenic 0 2.0 3.G < IDL <br />Selenium 0 5.0 9.3• 5.6• <br />Sodium 0 190.0 219.7 212.6 <br />• Absolute value is greater then Che CRDL. <br />7 <br />4 <br />