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• SE 2 • <br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS F <br /> Diamond Walnut Growers <br /> 1050 S Diamond St,Stockton, California <br /> (Page 8 of 8) <br /> All results in mg/1 <br /> DATE SAMPLE Cr+6 Cr ETHYLENE PROPYLENE TOTAL <br /> SAMPLED ID GLYCOL, GLYCOL HARDNESS Ha Ca AGI <br /> 01/21/04 MW-1 <0 001 <0 010 — -- 700 50 140 110 <br /> MW-2 0 022 0 030 -- -- 760 49 180 110 <br /> MW-3 2 800 3 000 -- — 700 45 220 390 <br /> MW-4 0 011 0 012 -- -- 410 39 76 31 <br /> MW-5 0 022 0 025 — -- 590 48 130 180 <br /> MW-6 0 066 0 080 -- -- 590 52 130 240 <br /> MW-7 0 015 0 021 -- -- 490 49 110 80 <br /> MW-8 00095 0 011 -- — 540 48 120 130 <br /> MW 9 0 016 0 019 -- 420 40 81 94 <br /> FW <0 001 <0 010 -- -- 670 60 1 150 1 170 <br /> CALIFORNIA PRIMARY MCL 005 005 1 NE NE NE NE NE 1 250 <br /> NOTES <br /> Cr'6=Hexavalent Chromium analyzed by EPA Method 218 4 through April 16,2002 42)=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 Chromatography/Flame Ionization Detection(GC/FID) a=EPA secondary standard(aesthetic standard) <br /> Propylene Glycol analyzed by Gas Chromatography/Flame Ionization Detection(GC/FID) --=Not analyzed/applicable <br /> Total Hardness as calcium carbonate analyzed by Method 5M 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 /> (1)=City of Stockton Suppfy Well <br /> CPT=Cone Penetrometer Test Boring <br /> I <br /> 1 <br /> w 1625831tableslLAB Results[TABLE2] <br />