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TABLE 2 <br />SUMMARY OF GROUNDWATER ANALYTICAL RESULTS <br />Diamond Foods, Inc. <br />1050 S. Diamond St., Stockton, California <br />(Page 17 of 17) <br />All results in mg/L <br />SAMPLE DATE Cr+6 Cr ETHYLENE PROPYLENE TOTAL Trichlorofluoro- <br />ID SAMPLED GLYCOL GLYCOL HARDNESS Na Ca Cl Al PCE TCE Chloroform methane Acetone <br />NOTES: <br />Al = Aluminum analyzed by EPA Method 6010B <br />Ca = Total Calcium analyzed by EPA Method 200.7 or 6010B. <br />Cl = Chloride analyzed by EPA Method 365.2 or 300.0. <br />Cr = Total Chromium analyzed by EPA Method 200.7 or 200.8 <br />Cr.6 = Hexavalent Chromium analyzed by EPA Method 218.4 through April 16, 2002. <br />Hexavalent Chromium analyzed by EPA Method 7199 starting July 9,2001. <br />Na = Sodium analyzed by EPA Method 200.7. <br />Ethylene Glycol analyzed by Gas Chromatography/Flame Ionization Detection (GC/FID). <br />Propylene Glycol analyzed by Gas Chromatography/Flame Ionization Detection (GC/FID). <br />Total Hardness analyzed by Method SM 2340C <br />VOCs analyzed by EPA 8260B <br />PCE = Tetrachloroethene <br />TCE = Trichloroethene <br />MCL = Maximum Contaminant Level <br /><= Not detected at or above method detection limits <br />NE = Not established <br />NS = Not sampled <br />— = Not analyzed/applicable <br />NR = not reported due to hold time exceeded. Wells resampled on 8/05/15. <br />(1)= City of Stockton Supply Well, data provided by the City of Stockton <br />= Hexavalent Chromium analyzed by EPA Method 7199. <br />= Bromodichloromethane detected, see lab report for concentration. <br />= Chloromethane detected, see lab report for concentration. <br />= Carbon disulfide detected, see lab report for concentration. <br />= Calcium polysulfide pilot test injection to MW-3 on June 16 and 17, 2015. <br />= Calcium polysulfide pilot test injection to borings near MW3, MW5, and MW6 February 14, 15, and 16, 2017. <br />= EPA secondary standard (aesthetic standard) <br />= California Department of Public Health - Public Health Goal (PHG) <br />= CAL/EPA Cancer Potency Factor <br />Blind duplicate of MW3 samples from 2/01/93 and 5/03/93 <br />MW4 was overdrilled and reinstalled in same boring on June 2,2015