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LEVEL III Data Validation Report <br /> -PROJECT: -- -- -Goodwin Procter-Umfirst--— - - -- - - �- - - ---- - - -,� <br /> LABORATORY.: '-ST--L- San Francisco, Pleasanton, CA <br /> , I <br /> LAB NUMBER: 2005-05-0333 - <br /> SAMPLES: MW-2, MW-4, MW-3, MW-I <br /> MATRIX: -- ------r--Water---- - - -- - -- ----- --- - - - --- - <br /> Analysis Volatile Organic Compounds <br /> 8260B <br /> Holding Time ✓ <br /> Surrogate Recovery ✓ <br /> MS/MSD Note 1 <br /> LCS (Blank Spike) r - 1% <br /> Method Blanks ✓ <br /> Duplicates - - NA <br /> Tnp/Field/Equipment Blanks NA <br /> Reporting Limits Note 2 ' <br /> ✓ - QC criteria were met <br /> Notes I The sample spiked for the MS/MSD is not from this project and does not reflect <br /> the matrix of these samples <br /> 2 In order to quantitate tetrachloroethene, sample MW-4 was diluted by a factor of <br /> 4 Reporting limits were increased by the same factor <br /> I y <br /> Summary <br /> Based on this Level III validation, these data are usable for their intended purpose None of <br /> these data were qualified or refected <br /> URS Corporation K 1GH105dih136 doc <br />