Laserfiche WebLink
QUALITY ASSURANCE LABORATORY- <br /> ( UALITY CONTROL DATA REPOR' <br /> JANUARY 16, 1992 <br /> TREATEK INC. <br /> LOG #270-92A THROUGH 285-92A <br /> DATE EXTRACTED: JANUARY 9 , 1992- TPH, EDB, LEAD <br /> DATE ANALYZED: JANUARY 9 , 3992- TPH, EDB <br /> JANUARY 13 , 1992- LEAD <br /> ANALYSES PREP/ANALYSIS LCS SPIKE DUPLICATE <br /> METHOD $ RECOVERY %RECOVERY RPD <br /> TPH 3550/DHS EXT 103% 10216 0% <br /> (LOG 1270-92S THROUGH 279-92A) <br /> TPH 3550/DHS EXT 1031 98% 1% <br /> (LOG #280-92S THROUGH 285-92A) <br /> EDB MOD 504 97% 106% 0% <br /> . LEAD 3050/6010 97% 94% 6 <br /> ALA CCL <br /> E <br /> QA/QC DIRECTOR <br /> ORALITY CONTROL TERNIIIOLOGY' <br /> &LCS - LABORATORY CONTROL STANDARD. REPORTED AS S RECOVERY OF AN INDEPENDENT STANDARD CARRIED THROUGH ALL <br /> SAMPLE PREPARATION PROCEDURES TO VERIFY METHOD PERFORMANCE. ACCEPTALBE RANGE IS 80%-120% RECOVERY. <br /> 'SPIKE - ENVIRONMENTAL SAMPLE IS MATRIX SPIKED WITH METHOD COMPOUNDS AND X RECOVERY OF CONCENTRATION SPIKED <br /> INTO SAMPLE IS CALCULATED- REPORTED AS X RECOVERY. ACCEPTABLE RANGE FOR "NORMAL MATRIX SAMPLE" IS 75%-125% <br /> RECOVERY. <br /> �S3AROGATES - COMPOUNDS REPRESENTATIVE OF A GROUP OF COMPOUNDS. SURROGATES ARE SPIKED INTO ENVIRONMENTAL <br /> SAMPLES AND % RECOVERY OF CONCENTRATION SPIKED IS CALCULATED AND REPORTED. ACCEPTABLE RANGE VARIES DEPENDING <br /> ON SAMPLE MATRIX AND ANALYSIS KETHOO. <br />