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ARCHIVED REPORTS_XR0012900
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ARCHIVED REPORTS_XR0012900
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Last modified
10/12/2020 10:27:55 PM
Creation date
6/9/2020 2:33:11 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0012900
RECORD_ID
PR0545770
PE
3528
FACILITY_ID
FA0006278
FACILITY_NAME
WOODBRIDGE VINEYARD ASSOC
STREET_NUMBER
4614
Direction
W
STREET_NAME
TURNER
STREET_TYPE
RD
City
LODI
Zip
95240
CURRENT_STATUS
02
SITE_LOCATION
4614 W TURNER RD
P_LOCATION
02
P_DISTRICT
004
QC Status
Approved
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EHD - Public
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Groundwater Extraction and Treatment System Evaluation June 5, 1993 <br /> Sebastiani Vineyards/Woodbridge Cellars CEECON <br /> flow totalizer, and sample ports. The system is trailer-mounted and is provided with double- <br /> containment for all water and chemical storage drums. An approximate layout of this <br /> trailer-mounted system is shown on the attached GTS-1. The system can also be operated <br /> without aeration treatment. The aeration tank then serves as only a settling tank before <br /> extracted groundwater is treated by liquid-phase activated carbon. A process flow diagram <br /> of this system, along with the compressor and groundwater extraction pump, is shown on the <br /> attached GTS-2. <br /> Due to the low transmissivity of the water-table aquifer, productivity from the extraction <br /> well is limited. Extracted groundwater is treated and discharged to an onsite storm drain. <br /> Groundwater is extracted from groundwater monitoring well MW-1 at an approximate flow <br /> rate of 0.5 (maximum 1.0 gallon per minute [gpm]}. The hydraulic control was observed by <br /> monitoring the drawdown of the potentiometric surface on a monthly frequency; quantitative <br /> analyses of groundwater samples is continuing on a quarterly basis. The groundwater <br /> extraction well is fitted with quick-disconnect fittings to the piping of the groundwater <br /> removal system. <br /> Treatment of the 0.5 gpm effluent stream removed by the groundwater extraction system is <br /> conducted in two stages. The first stage of the aeration system consists of spray, and <br /> diffused aeration. Typical removal rates for diffused aeration tanks such as these are <br /> typically above 95 percent reduction from inlet conditions. Activated carbon is then used <br /> as secondary water treatment, consisting of two in-line canisters of liquid-phase granular <br /> activated carbon are used for this secondary water treatment. In the event that the system <br /> is operated without aeration treatment, the aeration tank then serves as only a settling tank <br /> before extracted groundwater is treated by liquid-phase activated carbon. As initially <br /> configured, the groundwater treatment system is capable of processing up to ten gallons per <br /> minute. <br /> FIELD WORK <br /> Field work conducted by CEECON field personnel and its sub-contractors was performed <br /> under CEECON's Site Safety Plan (CEECON, September 9, 1992). Installation of the GTS <br /> '' 3 <br />
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