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_ Fak-ftns�mlt#al Memo 7872 �aaofFs,ges � 1�tty���� /I f Tlm±l�, , <br /> From <br /> !„�,�} <br /> "Company Company <br /> �..J <br /> tccatlon ' * r. !eeeiirr, r''� Ggrp Cherg <br /> Pax# // Te:apnan±Ei Fair# / e� T±l^hong i <br /> Commt t 1•+L �" J. ICY 4 ✓ :` r" 7.. , / r <br /> t.rlgin±l —", r r- <br /> �Itp08Ri0n Ei Cali forpitkup <br /> I <br /> ERm-westv Inc, _ <br /> $alta Roo•2001 (+street•Speramentu,COfifbrnle 95814.5213•MB)A44-WES7(444-33781-Vere tr3`a!4&4-5373 <br /> i <br /> April 22, 1991 <br /> HPR 2 218 1 <br /> Mr. Harlin Knoll rvv!r<�rvrvi€NtAt HEALTH <br /> Environmental Health Specialist €r�nAMT/EWALGtS <br /> - Public HEsxalth Services <br /> San Joaquin County <br /> P.O.Box 20139 <br /> 1.601 E.Hazelton.Avenue <br /> Stockton,CA 95201 <br /> Sub ect: Addendum to the Investigsatioz� Work-plan for the Site <br /> Located at 1033 Bait&otts Avenue, Sto&ton <br /> Clear Mr, Knoll: <br /> we have prepared an addendum to the Workplan previously subs ii .M,ad on <br /> August 31, 1990 as Section 2 of the Prelimineary Report of-Lbe Soil <br /> In'"stigatiOn Of Former Undergrovmd Storage Tank Sites at 1033 .east Scotts <br /> Avenue in Stocktori. The purpose of this addendum is to propose additional <br /> work at the site which will help determine, the full extent of the affected soil, <br /> and facilitate the generation of cost estimates for c°arious remedial <br /> alter"afives, Specifically, this additional work is proposed to (1)belUer <br /> estimate the total volume of vonttami-hated soil, in the ground as well as the <br /> excavation requirements should rernediat;on of the site entail removal of <br /> the soil, wad (2) determine whether or not the soil is a hazardous waste, <br /> The scope of work will include: <br /> • l'nstallat on of 3 borings to eatdznated depths of 46 feet, 25 feet <br /> and 25 feet, to refine the estimate of the lateral and vertical <br /> extant of the product occurrence identified in.August 1999, <br /> ' Analysis of 2 soil samples for Total Petroleum Hydrocarbons by <br /> EPA Method. 8015 (modified) and one sample, for bioassay using <br /> fathead axlftmows in order to deterrn.ine if the soil is s <br /> hazardous waste! <br /> Collection of additional soil samplee for ao:l &naity � <br /> determinations, and <br /> i In a telephone corave"-etion Ynth Diana Pechter from the t"al;rforn:a Departmon. ,f <br /> Health Senricus on Match 22;1991,MS.Feebler staF.sd that n fish bioassay %,ould be <br /> adaquate for determining whetlier the afr-acted soil?s htxrardrus, There is no rijti r. t <br /> bslie ve that the proaact in the soil enntain%7n;tals ev that it is combustible. Thoreforr_, nv <br /> lirialyse&ere reEguire3 for rAoWli or f1anh point for tkte afteted soil at this aite. <br />