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Raymond Greer _4_ <br /> September 9, 2010 <br /> Claim No. 8525 <br /> 1,2-DICHLOROETHANE Results fo MW8 <br /> o-�x , wet( <br /> z <br /> 1.8 <br /> 1.4 --- r/Vt 4✓ <br /> �-1.2 -- _--�_ <br /> 1 <br /> 0.8 �A <br /> 0.6 <br /> 0.4 <br /> ..• .. �� b <br /> 02 - -..- ---- -- -bC11 <br /> o .•.py-,..•. .�J.�. . pp <br /> 'j►.ao.c wwy reP/eu ..� 1,2-DICHLOROETHANE. /V1p hcJ(^at71 <br /> Aeiec4,o. U414ft 2 <br /> VII. COMMENTS AND JUSTIFICATION FOR RECOMMENDED ACTION <br /> A. Site Description: agriculture <br /> B. Site History: the extent of groundwater contamination is defined <br /> C. Groundwater Monitoring Summary: strong monitoring history <br /> D. Remediation Summary: soil vapor extraction, in rebound testing <br /> E. Contaminant Exposure Pathway Evaluation: unknown <br /> F. Recommendation: <br /> In May 2008, the Fund recommends that the San Joaquin County LOP direct the <br /> Responsible Party to assess remedial groundwater technologies and to <br /> implement active groundwater remediation to achieve Water Quality Objectives <br /> in a timely manner. The Fund will review this site next year to track progress. <br /> UPDATED, May 2009, this investigation has been underway for 21 years. The <br /> site is currently in rebound testing and has been directed to conduct further <br /> vertical definition. The Fund concurs and will review this site next year to track <br /> progress. <br /> UPDATED, September 2010, the Fund concurs with the San Joaquin County <br /> LOP that the Responsible Party should implement a groundwater technology that <br /> /will achieve Water Quality Objectives more rapidly. <br /> Kirk /Larson, P.G. Date 'Robert Trommer, C.H.G. Date <br /> Technical Review Unit Chief, Technical Review Unit <br /> (916) 341-5663 (916) 341-5684 <br /> CaAfornfa En vironmentaf Protection Agency <br /> Z4 Recyc%d Pape, <br />