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� <br /> E `~ O R <br /> / <br /> ' TABLE OWcCONTENTS <br /> | <br /> � iJ0- A .................................... ' <br /> --~~^^.'---^~~---~~^ Y ' <br /> 1.1 PURPOSE AND SCOPEO��VVORK <br />� 1.2 REpC��TORGANIZATION ^-----------'-------'—^-' 1 <br /> --------'-- 1 <br />| 2.0 SITE ���� <br /> -''-''-'------ ~~�~^�~°,�����nm��...--'- � <br /> Dr ! <br /> �.1 � � DE���NPTK]N -~'~'-'-----�----� ' <br /> ---------------------- 2 <br />' 2-2 GEOLOGY ' ' -----'---''' i <br />| ------------------------- ' 2 <br />| ��� 8T�AT|(�R�pH�_____ ____.,__�______ _---------_ <br />� ��� H�O�[]��O`L(J��' ' ------'---- 2 | <br />� --------- ...... <br /> ...... <br /> ....... <br /> --'.------- 3 | <br /> 2.5 PR(EV1OiJ�� |NVEST|{�AT|ON8 ----------.-------- ------ <br /> SEPTEQ�BER1999 ^ -� --------' ~ <br /> ' . ...~.~~__`'-~_~'-----' ' 3 <br /> JUNE / ' -----'� <br /> ��� ....� ���� ..�.���..�.�������....���'��'�. � <br /> GROUNDWATER 0NQN����RUN*iG A� � ��0�0�. »L��N��.��' <br /> ^^~^ ..­* - <br /> ---- --`^^`^^~------~~^^^-------`^'^^ 4 <br /> 3.0 R��K-BASEDCK�RRECTM�E ACTU0�� ��ETH0}D�'LK�G�'.....-�-----......~--_---'.,.... � <br /> �-� RB�A <br /> 3.1 �VVQq�BJU��|��[UCT|[}N -VVATE[�QUALITY{}8JECT|VES-----------. 5 <br /> ` � <br /> wuE,n��u�/Lu~�r----.------------------------^- 5 <br /> 4L0 SITE CONCEPTUAL MODEL........................................................................................... 8 <br /> 4.1 CURRENT AND FUTURE LAND USES .................................................................... <br /> 4.2 POTENTIALLY EXPOSED POPULATIONS------~--...----------. 8 ! <br /> 4.3 WATER SURVEYS......................................................................---------.^� � <br /> 4.4 COMPLETE AND POTENTIAL COMPLETE EXPOSURE PATHWAYS................... g <br /> 6.0 'DETERMINATION OF COPCS, EPCS, AND SLS...........................................................10 <br /> 51 SELECTION OF CHEMICALS OF POTENTIAL CONCERN ...................................10 <br /> ' 5..2 ESTIMATION OF EXPOSURE POINT CONCENTRATIONS ........ .........................�1O � <br /> 5.3 SELECTION OFSCREENING LEVELS............................................................... <br /> .-.11 � <br /> 6'0 TIER 1RBCA RESULTS..................................................................................................13 <br /> 6.1 SOIL 13 ' <br /> 6.2 GROUNDWATER--.-...--,----_-------------------.--..|4 <br /> 7.0 TIER 2 RBCA RESULTS---_'-�_--_--^....~~~,,,._,,^.~~,,,,..____ ...............................Is <br /> 7.1 SOIL 15 <br /> 7.2 GROUNDWATER..... ................................................................................................18 <br /> 8.0 CONCLUSIONS.................................................................................................... '--......18 <br /> 9.0 REFERENCES.......................................................... ............... .................,...............20 <br /> � <br /> Lj <br /> ^ <br /> , <br /> ' <br /> ^ <br /> � <br /> � <br /> | <br /> |' <br /> ' <br /> � <br /> UU | <br /> ! <br /> ' <br /> � <br /> , <br />