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UOS <br />URS Operating Services, Inc. <br />Data Validation Report <br />INORGANIC DATA VALIDATION REPORT <br />REVfE1V NARRATIVE SU~INIARY <br />This data packaz was reviewed according, to "USEP.~ Contract Laboratory Program Na[ional Functional <br />Guidzlinzs for Inorganic Data Rer iew," February 199x, modified for the methods used. <br />Raw data were reviewed for completeness and transcription accuracy onto the summary forms. <br />Approximately 10-20% of the results reponzd in each of the samples, calibrations, and C C analyses were <br />recalculated and verified. If-problems were identified during the recalculation of results, a more thorou~sh <br />calculation check was performed. <br />The data package, TDD ~fo. 7~-0060?, Report No. L61332, consisted of seven water samples for mztals, <br />mercury, and cyanide analyses b.' SW-346 IVlethods 6010, 7470, and EPA 33~?. <br />The Following table lists the data qualifiers addzd to the sample analyses. Please szc Data Qualifier <br />Definitions, attached [o the end of this report. <br /> <br /> Reason for iew <br />Re <br />Sample 1D Elements Qualifiers v <br /> Qualification Section <br />RS-OI,RS-10 Aluminum U Blank contamination VII <br />RSR-O6A Arsenic <br />BAS, RSR-06A Lead <br />RS-01, RS-03, RS-O5, RS-10 Potassium <br />BAS. RS-01, RS-0?, RS-0~, Cobalt L'1 Neeative blank <br />RS-10 Copper contamination <br />RSR-OGA J <br />All samples Thallium UJ <br />BAS. RS-01, RS-10 Zinc <br />RS-03. RS-OS J <br />RSR-OGB Cadmium UJ ICS.-~ solution result VIII <br /> erecter than [he IDL <br /> and elevated iron <br /> sample level <br />BAS, RSR-OGA, RSR-OGB Lead 1 ~la[rix spike IX <br /> reCOyel'y ~ I?J°.~° <br /> <br />