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ARCHIVED REPORTS XR0003296
EnvironmentalHealth
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EHD Program Facility Records by Street Name
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DIAMOND
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1050
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2900 - Site Mitigation Program
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PR0001781
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ARCHIVED REPORTS XR0003296
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Last modified
7/3/2019 12:56:04 PM
Creation date
7/3/2019 10:46:21 AM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0003296
RECORD_ID
PR0001781
PE
2960
FACILITY_ID
FA0004090
FACILITY_NAME
DIAMOND WALNUT GROWERS INC
STREET_NUMBER
1050
STREET_NAME
DIAMOND
STREET_TYPE
ST
City
STOCKTON
Zip
95205
APN
155 320 19 5
CURRENT_STATUS
01
SITE_LOCATION
1050 DIAMOND ST
P_LOCATION
01
QC Status
Approved
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EHD - Public
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MA <br /> WEISS ASSOCIATE'S <br /> Following well sampling, the top-of-casing elevation of each monitoring well will be <br /> surveyed relative to mean sea level The horizontal location of each well will be estimated <br /> from distances to existing on-site structures and plotted on a site base map derived from site <br /> ' plans provided by DWG We will measure the depth to ground water in each well and calculate <br /> the ground water elevation From these data, we will generate a ground water elevation <br /> ' contour map and estimate the ground water flow direction and gradient <br /> ' The drill rig and all drilling equipment will be steam-cleaned prior to commencement <br /> of the drilling program to remove any soil or contamination on the equipment Between holes, <br /> all equipment which may have come in contact with the soil will be steam-cleaned to reduce <br /> ' the possibility of cross-contamination between holes The split-barrel soil sampler will be <br /> washed with detergent and tap water and rinsed first with tap water and then with dclonlzed <br /> ' water before use and between samples All equipment which may have contacted groundwater <br /> during well development will be steam-cleaned before use and after developing each well <br /> Prior to well sampling, the bailers used to purge and sample the wells will be washed <br /> with detergent and tap water, rinsed with tap water, and finally rinsed with deionized water <br /> The bailers will then be allowed to air-dry prior to sampling Plastic sheeting will be laid on <br /> the ground near the well to prevent well sampling equipment from contacting the ground <br /> The cuttings collected from the soil borings and the ground water purged from the wells <br /> during well development and sampling will be stored in appropriate containers The results of <br /> the soil and ground water analyses will be used to determine the appropriate disposal methods <br /> ' for the soil and waste water <br /> ' 35 CHEMICAL ANALYSIS <br /> 1 <br /> ' Samples will be analyzed at a California Department of Health Services(DHS)approved <br /> analytic laboratory using EPA-approved analytic techniques according to the following <br /> analytic schedule <br /> Soil and water samples collected next to Vaults 1 and 6 will be analyzed for propylene <br /> glycol and ethylene glycol by gas chromatography/flange ionization detection using a "DB Wax" <br /> megabore-type chromatographic column Since there arc no existing Environmental Protection <br /> ' D \ALL\331DWG\331P1SE0 WP Page 20 <br />
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