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E 2 • <br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS <br /> Diamond Walnut Growers <br /> 1050 S Diamond St,Stockton,California <br /> (Page 8 of 8) <br /> All results m mgfl <br /> DATE SAMPLE Cr+6 Cr t'THYLENJE PROPYLeNE TOTAL <br /> SAMPLED ID GLYCOL GLYCOL HARDNESS Na Ca Cl <br /> 10/22/03 MW-1 <0 001 <0 010 — — 760 -- -- -- <br /> MW-2 0 028 0 033 - -- 750 -- -- <br /> MW-3 4 400 4 300 -- -- 820 -- -- -- <br /> MW-4 0 011 0 013 -- -- 350 -- -- -- <br /> MW 5 0 015 0 018 -- -- 520 <br /> MW-6 0 066 0 077 -- -- 590 -- -- — <br /> MW-7 0 016 0 019 -- — 480 -- -- -- <br /> MW 8 0 010 0 012 -- -- 500 — -- -- <br /> MW-9 0 018 0 021 -- -- 350 -- -- __ <br /> FW <0 001 <0 010 -- — 640 -- -- -- <br /> CALIFORNIA PRIMARY MCL 005 0 05 NE NE NE NE NE 250 <br /> NOTES <br /> Cr'6=Hexavalent Chromium analyzed by EPA Method 218 4 through April 16 2002 czi=Hexavalent Chromium analyzed by EPA Method 7199 <br /> Hexavalent Chromium analyzed by EPA Method 7199 starting July 9,2001 <=Not detected at or above method detection limits <br /> Cr=Chromium analyzed by EPA Method 200 7 MCL=Maximum Contaminant Level <br /> Ethylene Glycol analyzed by Gas ChromatographylFlame Ionization Detection(GCIFID) '=EPA secondary standard(aesthetic standard) <br /> Propylene Glycol analyzed by Gas Chromatography/Flame Ionization Detection(GC/F10) —=Not analyzed/applicable <br /> Total Hardness as calcium carbonate analyzed by Method SM 2340C NE=Not established <br /> Na=Sodium analyzed by EPA Method 200 7 MW4=Blind duplicate of MW3 sample during <br /> Ca=Calcium analyzed by EPA Method 200 7 the 02/01/93 and 05/03/93 sampling events <br /> Cl=Chloride analyzed by EPA Method 365 2 or 300 0 <br /> 413=City of Stockton Supply Well <br /> CPT=Cone Penetrometer Test Boring <br /> w 1625831tableslLAB Results[TABLE2) <br />