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March 23, 2011 Lab ID : STK1131554 <br />San Joaquin County Solid Waste Customer :3-2956 <br />Quality Control - Organic <br />Constituent <br />Method Date/1D Type <br />Units Cone. <br />QC Data <br />DQO Note <br />Organic <br />Dichloromethane <br />8260B 02/28/2011203013 CCV <br />u 25.00 <br />93.5% <br />70-130 <br />Ethyl tert-Butyl Ether 8260B 02/28/2011203013 CCV <br />u 25.00 <br />102% <br />50-150 <br />ibenzene <br />8260B 02/28/2011:703013 CCV <br />ugIL 25.00 <br />103% <br />80-120 <br />e Dibromide (EDB) 8260B 02/28/2011:203013 CCV <br />UA 25.00 <br />101% <br />70-130 <br />exachlorobutadiene 8260B 0212812011:203013 CCV <br />UEE 25.00 <br />97.6% <br />70-130 <br />Isopropyl Ether <br />8260B 02/28/2011:203013 CCV <br />u 25.00 <br />83.0% <br />50-150 <br />!LoL-2LIbenzene <br />8260B 02/28/2011203013 CCV <br />ugg. 25.00 <br />73.7% <br />70-130 <br />Methyl tat -Bu l Ether 8260B 02/28/2011:203013 CCV <br />ugIL 25.00 <br />114% <br />70-130 <br />Naphthalene <br />8260B 02/28/2011:203013 CCV <br />u 25.00 <br />96.1% <br />70-130 <br />-Bu Ibenzme <br />8260B 02/28/2011:203013 CCV <br />URIL 25.00 <br />91.4% <br />70-130 <br />-Pro !benzene <br />8260B 02282011:203013 CCV <br />ILA 25.00 <br />87-5% <br />70-130 <br />p-Isopmpyholuene 8260B 02/28/2011:203013 CCV <br />n 25.00 <br />87.3% <br />70-130 <br />sec-Butylbenzene <br />8260B 02/28/2011:203013 CCV <br />UY& 25.00 <br />74.7% <br />70-130 <br />SqMe <br />8260E I 02282011:203013 CCV <br />ugIL 25.00 <br />105% <br />70-130 <br />AME <br />8260B 02/28/2011:203013 CCV <br />u 25.00 <br />125% <br />50-150 <br />tert-Butanol <br />8260B 02/28/2011.203013 CCV <br />ugtL 125.0 <br />109% <br />50-150 <br />-B !benzene <br />8260B 02/28/2011:203013 CCV <br />a 25.00 <br />87.3% <br />70-130 <br />etrachlometh leve (PCE) 8260B 02/28/2011:203013 CCV <br />u 25.00 <br />107 % <br />70-130 <br />oluene <br />8260B 02/28/2011:203013 CCV <br />u 25.00 <br />95.6% <br />80-120 <br />8260B 02/28/2011:203013CCV <br />n 25.00 <br />105% <br />70-130 <br />kolue-ne-gM <br />ce 8260B 02/28/2011:203013 CCV <br />n 25.E <br />99.9% <br />70 130 <br />8260B 02128/2011:203013 CCV <br />n 25.00 <br />91.9% <br />70-130 <br />lane (TCE) 8260B 02/28/2011:203013 CCV <br />u9tL 25.00 <br />95.7% <br />70-130 <br />richlorofluoromethaneFR11 8260B 02282011:203013 CCV <br />u 25.00 <br />147% <br />70-130 360 <br />Vinyl Acetate <br />8260B 02/28/2011:203013 CCV <br />u 50.00 <br />63.8% <br />50-150 <br />Vinyl Chloride <br />8260B 02/28/2011:203013 CCV <br />ugtL 25.00 <br />120% <br />80-120 <br />Iene m,2 <br />8260B 02/28/2011:203013 CCV <br />u 50.00 <br />103% <br />70-130 <br />lens o <br />8260B 0228/2011:203013 CCV <br />uIn 1 25.00 1 <br />102 % <br />70-130 <br />Definition <br />CCV <br />Blank <br />LCS <br />BS <br />BSD <br />BSRPD <br />ND <br />DQO <br />: Continuing Calibration Verification - Analyzed to verify the instrument calibration is within criteria. <br />: Method Blank - Prepared to verify that the preparation process is not contributing contamination to the samples. <br />: Laboratory Control Standard/Sample - Prepared to verify that the preparation process is not affecting analyte recovery. <br />: Blank Spikes - A blank is spiked with a known amount of analyte. It is prepared to verify that the preparation process is not <br />affecting analyte recovery. <br />: Blank Spike Duplicate of BSBSD pair - A blank duplicate is spiked with a known amount of analyte. It is prepared to verify that <br />the preparation process is not affecting analyte recovery. <br />: BS/BSD Relative Percent Difference (RPD) - The BS relative percent difference is an indication of precision for the preparation <br />and analysis. <br />: Non -detect - Result was below the DQO listed for the analyte. <br />: Data Quality Objective - This is the criteria gamst which the aali cwntmI data is con <br />Explanation <br />310 <br />360 <br />362 <br />: LCS above Acceptance Range (AR). Samples which were non detect for this analyte were accepted <br />: CCV above Acceptance Range (AR). Samples which were non detect for this analyte were accepted <br />: Surrogates are qualified on Control Chart Limits, these are CCV limits. See individual 2MIc <br />Page 18 of 18 <br />