Laserfiche WebLink
Fourth Quarter 2005 Groundwater Monitoring and Remediation Status Report <br /> Cohn Property,3755 Munford Avenue,Stockton,California <br /> Page 3 <br /> August 24, 2005 - Apex performed a startup test of the soil vapor extraction system under the <br /> supervision of the San Joaquin Valley Air Pollution Control District (SJVAPCD) A report <br /> detailing startup activities is currently being prepared <br /> September 8, 2005 - Apex submitted the results of a source test conducted at the site, titled <br /> Source Test Results Summary for Authority to Construct Permit No N-5817-1-0 <br /> October 4, 2005 - Apex submitted a workplan proposing the installation of an ozone air sparge <br /> system and updated site conceptual model <br /> October 4, 2005 - Apex submitted Workplan for Deep Groundwater Monitoring Well <br /> Installation, proposing to install two deep groundwater-monitoring wells (MW-11 through MW- <br /> 12) <br /> January 18, 2006 - Apex submitted Ozone Spargmg Bench Scale Test Workplan to the Central <br /> Valley Regional Water Quality Control Board, proposing to perform an ozone bench scale test to <br /> evaluate ozone sparging as a remedial option <br /> GENERAL SITE INFORMATION <br /> Site name: Cohn Property <br /> Site address: 3755 Munford Avenue, Stockton, California <br /> Responsible party: Mr Phil Cohn <br /> Current site use: Manufacturer of small boat trailers <br /> Current phase of protect- Groundwater monitoring/ Active remediation <br /> Tanks at site: None <br /> Number of wells: 10 monitoring wells, one onsite domestic well, 3 vapor <br /> extraction wells, 2 piezometers, and 2 air sparge wells <br /> GROUNDWATER MONITORING SUMMARY <br /> Domestic well sampling date: December 705 <br /> Gauging and sampling date: 'December 7-8, 2005 <br /> Wells gauged and sampled: MW-1 through MW-10 <br /> Wells gauged only None <br /> Wells sampled only: DW k 1141 0 <br /> Groundwater flow direction: Southwest arvd- rtorAWC <br /> Groundwater gradient: 0 0083 ftJft c- <br /> Laboratory: California Laboratory Service, Inc , Rancho Cordova, <br /> California <br />