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ENVIRONMEN . I` _- Analytical Chemists T www.fg[inc.com May 31, 2011 Lab ID : STK 1134128 Country Manor MHP-WW Customer : 3-16866 Quality Control - Inorganic Constituent Method Date/ID l)yc Units Cont. QC Data DQO Note Wet Chem Solids,Suspended 2540D 05/16/2011:310764 Blank ni ND <] LCS mg/L 500.0 94.6% 38-138 LCS mg/L 500.0 95.6% 38-138 (STKI 134061-001) Dup mgfL 0.4% 28.7 itrogen,Taal Kjeldahl ;SI._ 05262011105669 Blank mg/L ND <1 LCS mg/L 12.00 81.5% 41-148 LCS mgt 12.00 80.3% 41-148 MS mg/L 12.00 0.5% 25-149 435 (CH 1172508-001) MSD mg/L 12.00 0.3% 25-149 435 MSR-PD m 12.00 0.021 FI 4500-H B STK1133622-040 Durn units 0.0% 4.80 4500HB 05/162011:311048 CCV units 8.000 100% 95-105 CCV units 8.000 99.8% 95-105 OD 52108 05/172011:300339 RgBlk mg/L 0.25 2 b RgBlk mg/L 0.45 2 b LCS mg/L 198.0 94.1% 84,6-115 (STKI 133989-001) Dup mg/L 53% 15.9 (STKI 133989-001) Dup mg/L 22.2% 15.9 440 (STKI 133989-001) Dup m 21.8% 15.9 440 52108 1 05/222011:300349 CCV m 1.000 100% 80-120 BOD 5'_1013 05/172011:300337 RgBlk mg/L 0.16 2 RgBik mg/L 0.11 2 LCS mg(L 198.0 137% 84.5-115 310 LCS ing/L 198.0 120% 84.5-115 310 (STKI 134128-002) Dup mgt 7.3% 11.6 (STKI 134128-002) Dart m 53% 11.6 52108 05222011:300347 CCV in 1.000 99.0% 80-120 itrogen,Taal Kjeldahl EPA351.2 05272011:207652 CCB mg/L 0.000 0.2 CCV mg/L 2,000 1 107% 90-110 CCB mg/L 0.000 0.2 CCV in 2.000 109"e 90-110 Definition CCV :Continuing Caiibration Verification-Analyzed to verify the instrument calibration is within criteria. CCB :Continuing Calibration Blank-Analyzed to verify the instrument baseline is within criteria. Blank :Method Blank-Prepared to verify that the preparation process is not contributing contamination to the samples. RgBlk :Method Reagent Blank-Prepared to correct for any reagent contributions to sample result. LCS :Laboratory Control Standard/Sampie-Prepared to verify that the preparation process is nor affecting analyte recovery. MS :Matrix Spikes-A random sample is spiked with a known amount of analyte.The recoveries we an indication of how that sample matrix affects analyte recovery. MSD :Matrix Spike Duplicate of MS/MSD pair-A random sample duplicate is spiked with a known amount of analyted.The recoveries are an indication of how that sample matrix affects analyte recovery. Dup :Duplicate Sample-A random sample with each batch is prepared and analyzed in duplicate.The relative percent difference is an indication of precision for the preparation and analysis. MSRPD :MS/MSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation and analysis. ND :Non-detect-Result was below the DQO listed for the analyte. D :Data Quality Objective-This is the criteria against which the quality control data is compared. Explanation 310 :LCS above Acceptance Range(AR).Samples which were non detect for this analyte were accepted. 435 :Sample matrix may be affecting this analyte.Data was accepted based on the LCS or CCV recovery. 440 :Sample nonlionnosencity may be afflacting this analyte.Data was accepted based on the LCS or CCV recovery. Page 5 of 5 Corporate OBicas It Laboratory Office 8 Laboratory Office Is Laboratory Office 6 Laboratory Fluid Off too 853 Corporation Street 2500 Stagecoach Road 563 E.Undo Avenue 3442 Empresa Drive,Suite D Visalia,California Santa Paula,CA 93060 Stockton.CA 95215 Chico,CA 95926 San Luis Obispo,CA 93401 TEL:559!/349473 TEL 805/392-2000 TEL 209/942-0182 TEL:530/3435818 TEL:805!/83-2940 Mobile:559/737-2399 FAX 805/525<172 FAX 209,942-0423 FAX:530/3433807 FAX:805/5254172 FAX 559/734-8435 CA NELAP Certeication No.01110CA CA ELAP Certification No.1583 CA ELAP Certification No.2670 CA ELAP Certification No.2775