Laserfiche WebLink
a c y A r t N C <br /> p S S <br /> were summaries m <br /> hydrocarbons Site activities 1999 <br /> acted by petroleum Y dated January <br /> groundwater are imp ataon, (CPT) <br /> and � Report of Subsurface Investag enetrometer <br /> AT C,s Summary cement of one cone P Cement of <br /> C ersonnel supervised the advanexsonnel supervised the advancement <br /> s Also in December 2000 ATC �0 100 feet bgs The soil borings and <br /> in December <br /> 000, ATC <br /> P done soil boring of soil samples <br /> boring to s to 80 feet bgs wells Analytical results etroleiiin <br /> monitor" impacted b3' p <br /> four sail boring m soil an groundwater are Report of Additional <br /> rota -groundwater that d 's Summary P <br /> converted samples indicated in ATC <br /> groundwater were Summarized <br /> hydrocarbons site, activities <br /> March 6, 2001 borings, SBI <br /> Subsurface Investigation, eo robe soil ghSBwere <br /> the advancement of four g SBI through SB <br /> 2001, ATC supervised Soil boringsAS' <br /> was advanced <br /> In September auger boxings 61 feet bgs,boring 80 feet <br /> and eight hollow stern roximately to approximately <br /> Pugh SB roundwater, ,Proximately <br /> were advanced d borings <br /> thradvanced to first encountered gbarings PZIa and roximately 65 5 feet bgs, ` feted <br /> f t bid VVin were advanced to apP AS1 was comp <br /> to approximately $$ feet bgs Soil boring <br /> b s, borings V W 1, V vanced to approximately 81 tezometers located in the Sm <br /> g were ad inch diameter p 1ezolneter pairs <br /> MW9 and N1W 10 well with two 2- as 2-inch diameter p ;,yells <br /> diameter air Spargewere completed or extraction Well <br /> as a Q-inch s pZla and �pZlb feted as a 2-inch diameter yap onitoring <br /> borehole Soil boring V W3 were comp 'ter groundwater m <br /> s til W 1, V W2, and leted as a 2-inch dram <br /> Z Soil boring W9 and MW10 was comp va or extraction test and a <br /> and borings M TC performed a short-term P test was <br /> 2001, A pe vapor extraction <br /> November 1, the first day, a short-term va or extraction test was <br /> on October 31 and 1`� test pn a long-term P <br /> term vapor extraction the second day, slat test yielded a radius of influence <br /> long- hours in length and on hydrocarbons as <br /> approximately 2 length The soil vapor extraction p etroleum Y clot <br /> 4 hours in 13 pounds of total p or extraction p <br /> approximately roximately the 6-h1ur combined vapor <br /> roximately 50 feet. APP <br /> of app and benzene were removed during <br /> gasoline (TPHg) running <br /> tests air sparge pilot test at the site, rutin <br /> 2Q02, ATC conducted ail eCific radius of influence <br /> rid January e test y1elded a <br /> In December 2001 a Well ASI was used to l aat the the sitThe air sParg and benzene <br /> 1 31 days DDC) well ounds of TPHg <br /> for approximately driven convection ( xoximately 0 28 p a Temova] of 8 68 <br /> a density 0 feet APP this yielded the air <br /> created by approximately 2 clot test and d results of <br /> radius of influence of aone day of the air sparge pilot test The details anwells, e air <br /> during during the 31-day p of the air sparge <br /> Were removed and benzene and the installation -1 C's Remedial <br /> pounds of TPHg well MW 10 are describeYdi Avenue, Stockton, <br /> vapor extraction tests, <br /> sparge pilot test, d the groundwater monitoring 3755 Munf <br /> extraction <br /> wells, an Study, pacific Coast Recreation, <br /> InvestigataonlFeastbalaty <br /> Cajafornaa, August 13,2002 <br /> 2 <br /> w 4ib3931quastiy44gs-ZQ02 <br /> doe <br />