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<br /> TABLE OF CONTENTS
<br /> L Background
<br /> ...... ... .......... , ..... .. ..,,,, ... .... ............... _,`,,_ ........... ........ ..,..I
<br /> ILCase Chronology................ ........ -' ___,^, ,. . ^^- .......... .,.-'--,..,^. .,..~..
<br /> III. Investigation.... . -----'--_.^ .. ~ .... ' ..... ....... ... ................. ............ . . .. J6
<br /> Tank Removal ,--' ---````~^^^ ^ ^- ' --~`` ^^^ ` ---``^~`^^^^^ ----.6
<br /> Overexcavation
<br /> Sampling_ ....... ........ ......... ..... ...................... ^^, ..... ........
<br /> Sol . ' -- ' -,-,_, . __ ..____ . _ ... ..... ^._ _ ................ _____ _, .....7
<br /> Monitoring
<br /> Wells....... ... ...................... . ^_ ___,_ ....... _ _ _,_,,__^ ~_ __.7
<br /> Groundwater ,,,^^,, ^^ .,' ' -----,, ,,,^, ,-----,,,.,,,, ,,,' ---,,,, ,, 8
<br /> IV. Extent of Release to Soil and Groundwater -,,, ,, ^^,,, -' - _ ,,^,,^^ ,,, , - -9
<br /> TankRemoval ---.,,... ... ,,-- - ---..^,,, ^,.- - ....... .^,.,.'-'- ,_,,_,^^^^^,,,9
<br /> Overexc@vaton S -' - ....... ,^ ^_, ---- ' ,,^, ^^^ ^.' ' --' -,.,,.,^.^, .,.9
<br /> Soilunozzngs..... ....... ,. .., ' --- ' - ' ^. .' ' '20
<br /> Monitoring We}lo' '-' ._, . , . .. ,' ' ' -'-_,^^ ^ ^~ '--' ' ,,^^ ........... - ,,.. .,I0
<br /> Quarterly -- --- .............. ' ' - ,_^ - - .... .... _ ........ '---J0
<br /> V. Local and Regional Hydrology ' , ^ ^ ....... -' ,, ,,^^ ,' -'- -'- ,,. ...^-.-I2
<br /> VI. Results of Soil Analyses _,^, ......... _ _ _ _ , ^ ^ ^,^__ _ __,, ,, ^.^ _ __ __13
<br /> VII. Cumulative Well Data and Analytical Results .' - - - - _ ,^^. '- -'I4
<br /> VIII. Remediation Activities. .., .' - - -' , ,, ._ ^_ '- '-- ' , , ,....' ---- . 16
<br /> IX Beneficial Uses.,,-,'-' ' - - ...... . ,,,, '---' - ^^ , ^,,,- - ' -- ,,^^ ^^~,.--16
<br /> X. Additional Risk Assessment .. . , ,,, -' . , , , ,^ . ^,,., - - ' - -.. ...^,, 'l7 �
<br /> M. Conclusions for Case Clomure,, . . ,, -'---' ..... ...................... -' - ,, .....,T8
<br /> )(Il. ___ __ ............... _ ...... , -, ^., ^^ ,_,, _ ___ __ ,, .^ ,,,,18
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