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ARCHIVED REPORTS_XR0005012
Environmental Health - Public
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ARCHIVED REPORTS_XR0005012
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Last modified
9/16/2020 12:47:48 AM
Creation date
3/17/2020 2:53:28 PM
Metadata
Fields
Template:
EHD - Public
ProgramCode
2900 - Site Mitigation Program
File Section
ARCHIVED REPORTS
FileName_PostFix
XR0005012
RECORD_ID
PR0535112
PE
2957
FACILITY_ID
FA0020296
FACILITY_NAME
CHAPIN BROTHERS INC
STREET_NUMBER
1766
STREET_NAME
MONTE DIABLO
STREET_TYPE
AVE
City
STOCKTON
Zip
95203
APN
13505050
CURRENT_STATUS
01
SITE_LOCATION
1766 MONTE DIABLO AVE
P_LOCATION
01
P_DISTRICT
001
QC Status
Approved
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EHD - Public
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' Quarterly Report - Third Quarter 2003 <br /> CHAPIN BROTHERS INVESTMENTS,INC. <br /> ' 1766 Monte Diablo Avenue, Stockton, California <br /> ' 1.0. INTRODUCTION <br /> At the request of Mr Russell Chapin,Advanced GeoEnvironmental, Inc (AGE) has prepared this <br /> ' report for the site located at 1766 Monte Diablo Avenue, Stockton, California This report <br /> documents the operation of a ground water remediation system, the procedures for collection and <br /> analysis of ground water samples from the well network and the results of the first quarter ground <br /> water and treatment system monitoring events The site setting is illustrated in Figure 1 Structures <br /> and well locations on or near the site are illustrated in Figure 2 <br /> ' Background information and a description of prior investigations at the site are included in the <br /> Problem Assessment Report (PAR) prepared by Science & Engineering Analysis Corporation <br /> ' (SEACOR) dated 22 July 1994 and in the AGE-prepared Quarterly Report - June and July 1999 <br /> dated 08 September 1999 Quarterly monitoring data from January 1994 to the present is <br /> summarized in Tables 1 and 2 in this report <br /> • 2 0 ,PROCEDURES <br /> All field work was performed in accordance with Central Valley Regional Water Quality Control <br /> Board (CVRWQCB) guidelines for the investigation of underground storage tank (UST) sites <br /> Ground water treatment operation and monitoring were performed in accordance with procedures <br /> described in the approved Remedial Action Work Plan Addendum,dated 28 June 2001 Ground water <br /> monitoring activities were performed in accordance with guidelines established by the San Joaquin <br /> County Environmental Health Department (EHD) and the CVRWQCB <br /> ' 2 1 GROUND WATER TREATMENT OPERATION <br /> ' Between 15 April and 11 September 2003,the ground water extraction(pump-and-treat)system was <br /> in continuous operation at the site,operating at a maximum flow rate of up to 6 gallons per minute <br /> (gpm) The pump in each of the four recovery wells operated on an intermitting cycle, extracting <br /> ' ground water at a flow rate of approximately 10 GPM, the Intermitting operation of each pump <br /> provided a minimum four-minute hiatus to allow the water level to recharge within each well <br /> Extracted ground water was routed through a ground water treatment system consisting of granular <br /> activated carbon (GAC) Following treatment, water was discharged underground via 1-Inch <br /> diameter PVC piping to the City of Stockton sewer system <br /> ' Effluent flow meter readings utilizing a Blue-White Industries F-2000 flow meter recorded <br /> • approximately 302,703 gallons (1,213,860 liter) of impacted ground water treated and discharged <br /> Advanced GeoEnvironmentai,Inc <br /> 1 <br />
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