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ARCHIVED REPORTS_XR0002429
EnvironmentalHealth
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EHD Program Facility Records by Street Name
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GRANT LINE
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2900 - Site Mitigation Program
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PR0508441
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ARCHIVED REPORTS_XR0002429
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Last modified
1/22/2020 1:25:54 PM
Creation date
1/22/2020 1:15:21 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0002429
RECORD_ID
PR0508441
PE
2950
FACILITY_ID
FA0008077
FACILITY_NAME
CALIFORNIA HIGHWAY PATROL #266
STREET_NUMBER
385
Direction
W
STREET_NAME
GRANT LINE
STREET_TYPE
RD
City
TRACY
Zip
95376
APN
21449012
CURRENT_STATUS
01
SITE_LOCATION
385 W GRANT LINE RD
P_LOCATION
03
P_DISTRICT
005
QC Status
Approved
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SJGOV\sballwahn
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EHD - Public
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WINZLER& KELLY CONSULTING ENGINEERS <br /> ' Site-Specific Groundwater Sampling Procedures <br /> California Highway Patrol Facility <br /> 385 West Grant Line Road, Tracy, California <br /> ' January 13, 2005 <br /> ' 1. Objective <br /> ' Collect representative water level data and groundwater samples <br /> 2. Personnel Required and Responsibilities <br /> ' Winzler&Kelly Technician A qualified Winzler &Kelly technician performed the <br /> quarterly monitoring and sampling activities in accordance with the procedures outlined <br /> ' below <br /> 3. Procedures <br /> 3a. Decontamination Procedures <br /> The wash and nnse buckets, the ES-60 purger pump, and the water level meter were <br /> decontaminated using alconox soap and potable water <br /> • The pump and water level meter were decontaminated following use in each well <br /> ' Nitrile gloves were worn by the sampler at all times and changed after handling <br /> equipment and instruments <br /> ' 3b. Calibration Procedures <br /> • The Ultrameter was calibrated for conductivity and pH Temperature calibration is not <br /> ' necessary in the Ultrameter <br /> Conductivity was calibrated using KCI-7000 standard solution within its expiration <br /> date <br /> . The calibration for pH included "zeroing" the Ultrameter with a pH 7 buffer solution <br /> followed by adjusting the gain with acid and base buffers (4 01 and 10 00) <br /> ' 3c. Groundwater Elevations <br /> 1 • All monitoring wells were opened and expandable caps removed <br /> Each well was allowed to equilibrate to atmospheric pressure for a minimum of 30 <br /> minutes <br /> An electronic water level meter was used to measure the depth-to-groundwater in <br /> each monitoring well <br /> The depth, time, and visual observations regarding well access, condition, security, <br /> ' etc , were recorded on a Water Level Data Sheet <br /> 1 of 3 <br />
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