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ARCHIVED REPORTS SOIL AND GROUNDWATER INVESTIGATION REPORT
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ARCHIVED REPORTS SOIL AND GROUNDWATER INVESTIGATION REPORT
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Last modified
7/28/2020 2:53:46 AM
Creation date
2/14/2019 9:01:54 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
ARCHIVED REPORTS
FileName_PostFix
SOIL AND GROUNDWATER INVESTIGATION REPORT
RECORD_ID
PR0521880
PE
2960
FACILITY_ID
FA0014864
FACILITY_NAME
TRACY-BYRON RD - TBR
STREET_NUMBER
0
STREET_NAME
BYRON
STREET_TYPE
RD
City
TRACY
Zip
95376
CURRENT_STATUS
01
SITE_LOCATION
BYRON RD
QC Status
Approved
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EHD - Public
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California Regional Water Quality Control Board p t <br /> Central Valley Region <br /> Robert Schneider,Chair <br /> ' Terry Tarnminen Fresno Branch Office Arnold Schivarzenegger <br /> Sen ernryfor Internet Address: http://www.swreb.ca.gov/--rwgeb5 Oo'en,nr <br /> enviraunental 1685 E Street,Fresno,California 93706-2020 <br /> Protection Phone(559)445.5116•FAX(559)445-5910 <br /> 19 April 2004 <br /> '. Mr. M. Scott Mansholt <br /> ChevronTexaco <br /> Chevron Environmental Management Company <br /> P.O. Box 6012 <br /> San Ramon, CA 94583 <br /> ' REVIEW OF SOIL AND GROUNDWATER INVESTIGATION REPORT—BYRON ROAD <br /> PROJECT, WEST BYRON ROAD,TRACY, SAN JOAQUIN COUNTY <br /> Regional Board staff have reviewed the 18 February 2004 Soil and Groundwater Investigation Report, <br /> Byron Road, West Byron Road, Tracy, San Joaquin County, prepared for ChevronTexaco by Science <br /> Applications International Corporation (SAIL). Additionally, we reviewed previous soil and groundwater 4 <br /> investigation reports conducted by SAIC and others from 1996 to 2003 for predecessors of <br /> ChevronTexaco. <br /> ' Detailed comments are provided in the attached memorandum and summarized below: <br /> • Petroleum hydrocarbons have impacted soil and groundwater at several site locations <br /> along the south side of West Byron Road. The vertical extent of impacted soil and <br /> groundwater has been determined to be between approximately 20 and 36 feet. <br /> • The lateral extent of impacted soil and groundwater has not been adequately delineated <br /> upgradient (south) of generally nine different locations. Additional characterization is <br /> tneeded. <br /> • Soil and groundwater at adjacent downgradient(north) properties, with one exception <br /> have been characterized and NFA (No Further Action) determination issued for those <br /> sites. Two properties adjacent to the south side (upgradient)have also received NFA <br /> letters. <br /> ' California Environmental Protection Agency <br /> eti Recycled Paper <br />
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