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ARCHIVED REPORTS_XR0008986
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3500 - Local Oversight Program
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PR0545734
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ARCHIVED REPORTS_XR0008986
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Last modified
6/5/2020 1:56:41 PM
Creation date
6/5/2020 1:25:36 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0008986
RECORD_ID
PR0545734
PE
3528
FACILITY_ID
FA0010191
FACILITY_NAME
TRACY-PONTIAC-CADILLAC-GMC TRUCK
STREET_NUMBER
2450
STREET_NAME
TOSTE
STREET_TYPE
RD
City
TRACY
Zip
95376
APN
238020-06
CURRENT_STATUS
02
SITE_LOCATION
2450 TOSTE RD
P_DISTRICT
005
QC Status
Approved
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LSauers
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EHD - Public
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I _ <br /> 10 January 2001 <br /> AGE-NC Project No 96-0254 <br /> Page 2 of 6 ° <br /> The pumping rate was determined by measuring the time required to fill a 5-gallon bucket from the <br /> pumping discharge hose Approximately 550 gallons of water were removed from MW1B during <br /> the eight-hour test Field data is included in Appendix A <br /> I22 PUMP TEST DATA ANALYSIS <br /> The 28 August 2000 pump test data was analyzed using the Jacob Straight-Line Time-Drawdown <br />' Method For wells MW-1 A and MW-1B,the drawdown versus time was graphed on semi-lognthmic <br /> paper Wells MW-IA and MW-1B were the only wells during the extraction test that were observed <br /> to have measurable drawdown The transmissivity and storativity were calculated using data obtained <br /> I from wells MW-1A and MW1B Methods used for the above described calculations are described <br /> in Appendix B <br /> 23 GROUND WATER DEPTH MEASUREMENT AND PURGING <br /> • On 17 October 2000, a Solinst water level meter was used to measure the depth to ground water in <br /> each well relative to the top of the well casing After ground water depth measurements were <br /> collected, monitoring wells MW-1 through MW-7 and MW-3 at 2420 Grant Line Road (GLMW-3, <br /> in this report)were purged using a two-stage submersible pump A minimum of three casing-water <br /> volumes of water were purged from each well, excluding monitoring well MW-7 The actual purge <br /> volumes were as follows <br />' 0 Four to sixg allons of water were evacuated from wells GLMW-3, MW-2B, and MW-3 <br /> I through MW-6 <br /> Twelve gallons of water were purged from MW-I A and MW-2A <br /> I • Fifteen gallons of water were purged from MW-113 <br /> • Monitoring well MW-7 was pumped dry after six gallons of water had been purged <br /> Temperature,pH and conductivity were measured at one- or two-gallon intervals in wells GLMW-3, <br /> MW-2B, and MW-3 through MW-7,and at three-or four-gallon intervals in wells MW-IA, MW-1B <br /> and MW-2A The ground water parameters were measured with a Hydac water analyzer Logs of the <br /> held data are included in Appendix C Purged water was stored on-site in labeled 55-gallon drums <br /> I <br /> I <br /> Advanced GeoE nvi ron mental Inc <br /> I <br />
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