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[ la-,ton <br /> . Ms Laurie Cotuila <br /> June It, 1990 <br /> Page ? <br /> AN iL=ICAL FINDINGS <br /> Methods used to analyze soil and groundwater Samples trom the three monitoring <br /> wells onsite were selected to establish a baseline environmental condition at the .ite <br /> and to assess soil and groundwater for possible contamination from (1) the former <br /> UST (2) USTs upgradient of the subject property, and (3) the possible previous use: <br /> of pesticides onsite The soil and groundwater samples were analyzed by the toilowing <br /> methods <br /> • EPA Method 50301$015-8020, tar TPH as gasoline and tar BTEX <br /> • EPA Method 418 1, for total recoverable petroleum hydrocarbons and oil and <br /> grease <br /> • EPA Methods 8080 (soil) and 0508 (water) for organochlorine <br /> pesticideslpolychlorinaLed biphenyls (PCBs) <br /> All samples were t-ansported to Clayton's State-Cerofied laboratory, accompanied by <br /> chain-ot-eustodv Detailed laboratory results are included in Attachment B A <br /> summary of these results is presented below <br /> Soil Sample Analytical Results <br /> XW-. -- ,• i.tr�o3t of <br /> 1 MW-1 xW 2 Mm Mw 3 MW-3 Acucitan <br /> ErA Mahad 5• 11r 5.5' 10:5' 6' 11' glicg <br /> 503ftW3S-8021,1 , <br /> CWn0=i;M1tons <br /> u v PPb)> <br /> Benzene ND• ND ND NO ND NO 5 <br /> Toluene 10 ND ND ND 40 50 5 <br /> Xvlenes NO NO NO ND 460 730 5 <br /> NO 350 <br /> ND NO <br /> Ethvibenzene f ND 330 5 <br /> TPH as Gasoline EE NO ND NO NO 000 000 2000 <br /> `t8.1 <br /> ' '41COCAiC8it07�>'`n� <br /> Oil and Grease 20 30 70 NO 250 70 10 mg/i,8 <br /> and Recoverable <br /> Hvdrocarbons <br /> 3080 for ND ND NO NO NO ND Vanables <br /> Organochlonne <br /> PestiodOWB3 <br /> (cottceamtcon <br /> • ND•=�of LICICCILU <br />