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SITE INFORMATION AND CORRESPONDENCE FILE 1
Environmental Health - Public
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3500 - Local Oversight Program
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PR0544231
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SITE INFORMATION AND CORRESPONDENCE FILE 1
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Last modified
3/6/2019 2:26:31 PM
Creation date
3/6/2019 1:34:54 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
3500 - Local Oversight Program
File Section
SITE INFORMATION AND CORRESPONDENCE
FileName_PostFix
FILE 1
RECORD_ID
PR0544231
PE
3526
FACILITY_ID
FA0023968
FACILITY_NAME
NOMELLINI CONSTRUCTION CO
STREET_NUMBER
1045
Direction
W
STREET_NAME
CHARTER
STREET_TYPE
WAY
City
STOCKTON
Zip
95206
APN
16323040
CURRENT_STATUS
02
SITE_LOCATION
1045 W CHARTER WAY
P_LOCATION
01
QC Status
Approved
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EHD - Public
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N <br /> l <br /> 16 April 1997 <br /> AGE-NC Project No. 95 -0121 <br /> Page 4 of 9 <br /> are depicted in Figure 4 - Proposed Soil Vapor Extraction Well Locations. During drilling activities, <br /> soil borings will be advanced to depths of approximately 20 feet bsg . All hollow stem augers will be <br /> steam-cleaned prior to advancement in each borehole. Cuttings and rinseate generated during drilling <br /> activities will be containerized in properly labeled D . O . T. model 17H 55 -gallon drums, and stored <br /> on- site in an area inaccessible to the general public . <br /> Soil borings will be completed as 2- inch diameter SVE wells using both 0 . 020-inch screened and <br /> schedule 40 blank poly vinyl chloride (PVC) casing. A Lonestar #3 sand will be utilized as a filter <br /> pack in and slightly above the screened interval . Bentonite chips will be utilized as an approximate <br /> five-foot annular sea! located above the filter pack, while a Portland Type Il cement will be utilized <br /> as a grout to surface grade. A proposed as- built construction diagram is illustrated in Figure 5 - <br /> Proposed Soil Vapor Extraction Well Diagram . <br /> 3 . 1 .2 . PROPOSED SYSTEM LOCATION AIND DESIGN <br /> The location of the VES unit is proposed near the southeast corner of the Nomellini Construction <br /> Company building. This location will reduce the amount of trenching and piping needed to install the <br /> system. A gated enclosure, approximately 15 by 20 feet, will secure the VES unit. <br /> One-inch diameter PVC piping will be installed underground from the proposed SVE well head <br /> locations to a vapor dropout drum . The PVC piping will carry hydrocarbon vapors from the SVE <br /> well heads to the VES unit. A brass flow control valve will be installed in each line so that vapors can <br /> be drawn from each well independently. A plan of the proposed piping system and enclosed VES unit <br /> location are depicted in Figure 6 - Proposed Piping System. <br /> 3 . 1 .3 . PROPOSED SUPPLEMENTAL FUEL <br /> Supplemental fuel is proposed for the operation of the selected VES unit. An automatic air dilution <br /> module adjusts for the optimal combustion parameters by adding oxygen and/or supplemental fuel . <br /> Natural gas is readily available on- site. A dedicated gas line could be installed by representative of <br /> P .G. & E. that would connect directly to the VAS unit. Furthermore, a meter would be installed to <br /> monitor supplemental fuel consumption . <br /> 3 . 1 .4. PROPOSED MONITORING ACTIVITIES <br /> The VES unit will be monitored weekly using a photo-ionization detector (PID) to ensure optimal <br /> destruction of recovered hydrocarbon vapors, and to monitor cleanup progress. The PID readings <br /> will be recorded from the influent end of the VES unit, and recorded before and after catalytic <br />
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