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a.i Al S r} <br /> Q <br /> Ail <br /> - <br /> . <br /> 3`1 12 February 1999 w h I _ V �s a <br /> AGE NC Project No. 98 0540 <br /> � t <br /> Page3of8 't <br /> t � pernirtting;a.health and safety,"plan will4be prepared m accordance with Occuptanonal <br /> it �* Health Guidance Manual for FlaiardousEWaste Site Achvures(National Instituteafor Occupationals : 5 z <br /> Safety and Health Administration, U S Coast Guard and U S Environmental Protection Agency, t r' <br /> ci . �s <br /> =a j 1985) m <br /> Pnor to obilisation,each soil probe location will be clearly mark d and a utihTy}clearances s, r <br /> i - 4 obtained through Underground Service Alert s s <br /> "�• ter, ��'T,sl- ' z^i `x'M .n Y �..� ''.5 <br /> 3.2. SOIL SAMPLE COLLECTION AND ANALYSIS k t f s <br /> a.. i - ..'c, f .,': [r 1 Y.-; .?ir-"Y r ✓* • r'�t E'"s"-.t. ' rrF- p4 3 #. j.i'l'k �,z fM. x <br /> Initially, AGE proposes to advance six soilrbonngs at the site to evaluate the lateral and vertical T� <br /> r `r ,u. extent of petroleum hydrocarbon impact'Selected boring ssmaysbe-completed as'ground water <br /> monitoring wells Proposed soil'boring locations are illustrated m Figure 2 <br /> ;§ r "' ,.i '^. s- �,k"5'yµ 1 -'£ a it _+ -'-ia w: > a .: <br /> b• 411, <br /> `' Each boringIn,the former UST area will be advanced to ground water(anticipated at 60 feet bsg ) , E <br /> i The remaining'borings will be advanced 10 depths of 30 feeE`.bsg However, total depths of borings{ <br /> will be based on field observations and field screening using'an orgamc_vapor monitor(OVM) Soil, <br /> samples:will be collected from e1 .ach boring at five=foot intervals beginning at 5-feet bsg tothe total,,. <br /> J depth Field;procedures for advancement of borings and collection of soilysamples are presented in <br /> k Section 412. A_ t least.one- sample from each boring will be submitted for laboratoryanalysis ' <br /> F ♦ ' r ...� .2 '' r " a 't^.'b 4f t s 'r- i <br /> Pr r Selected soil samples will be analyzed by a State of California Department of Health'.Services j <br /> iY3 (DHS) certified laboratory for the following constituentssr <br /> -�+'•,n _ t x � '•�NT hz a w '^ � � c vy st r �' -c �.-%er t .z7 � x r". 'S E f�� � G. �`-_i <br /> .I F _.. n ! y'.-�, a.. •s i,��.a nh x t cox s <br /> L > _ `-'w • Total-petroleum hydrocarbons quantified;as gasohpe (TPH g)'m accordance with EPA `° <br /> ��Method 8015 Mbdified/5030, <br /> - -'s <br /> s <br /> R ,(5. <br /> I "Asa Y _ • Volatile aromatics (benzene, toluene, ethyl:benzene;and xylenes BTEX) and methyl tent " r.? <br /> t .ev butyl ether (MTBE)i i.accordanct with EPA_ Method 8020, and j f ` <br /> �w< ,. <br /> Selected soil samples may also be analysed for mtririsic permeability,inoisture content,porosiTy and F7. <br /> 1, t total organic carbon.(TOC) inaccordance with the zappropriate EPA or ASTM-methods 1 <br /> ce s " ,• a -i"�,+v- 7>' 'q 'h ..z Y ht r is3 r °. <br /> Y ray <br /> r i Soil samples from the hydraulic lift' and isepazator areas:will be analyzed for�the following _ , <br /> coDstituents <br /> Total petroleum hydrocarbons quantified as;hydraulic.oil (TPH ho) inaccordance with EPA <br /> t ybr5 < <br /> 6d8015_ dified1:5030 - <br /> 4:-x z -'a sr`- X �'- �E-' r•r"'v :h» -vz v1 ..,�-€ cy a''. �'- .y-..-'^ _ y <br /> ' Volatile aromatics (beniene, toluene ethyl benzene and xylenes BTEX) and methyl tert _ <br /> fi < butyl ether(MTBE) m accordance with EPA Method 8020, `max r 4 e <br /> ..;ty-, <br /> co <br /> GEnuronmentai Inc <br /> i <br />