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SW w.wfaaODAMI meaebaa wr.ae '"n'rboan. rev.rwi a sad dw...4 <br /> but investigator lute were evaluated far Wanted human heallu exposure risks a beaded <br /> oun Told bawm HydmcoNers, <br /> ifteri of wl OC (Total diesel <br /> - 1Ee06,i Hazard Option 1) based on USEPA Re_ a wal <br /> Nomcordon IS RS N an industrial IBM use Urging. dead Alm Alf). and OTSC, HERO RHEA <br /> e tb 3 (No 3) T (OTSC-8 s dated Joan 2018, <br /> ago dominated <br /> materials characterization OTI8e 22 other Cathode Cube of Regulators <br /> CC -'7,2 Sell azardousMazardws Gas Imagination. 14I19 Ire ere (5) soil bongs Measured above were convened to soil <br /> gas monitaring eras wM nested pmM tips WtM1 fanned pro o <br /> be tips at dephs; of 5 ft., 10 ft. 15 ft, and <br /> Prahated <br /> sed on <br /> ons <br /> ngesum wafer to 9roudgma details ease aMwater urged from approz Ima ill 6nft ento <br /> N. <br /> Including noted depths m 0 ft <br /> UNU. <br /> Pasha tips at boring B-1 vlere ving at lhs of 5 ft. and 10 ft. tog: probe tips at boring B-2 weed set at <br /> deptim; of 5 ft, add 20 ft. Lag: probe Up at boring B3 ware net at depths of 51,15 ft. am 20 ft. IN: <br /> probe fims at fluding B-4 visa did at Mrob pe tip at Using B ware and at <br /> aapit s of 5ft. and] 20 ft bog (Sae Exhibit o], Probe Construction Diagrams). <br /> m (on 11/14/19 and 11115119) for confusable gas as methane using a <br /> e gas re <br /> en, cargem <br /> dioxide and balandai as � Wth n eappmammed s debecter2 4hou inteervall befwmnrpprrobe mon�ing events. <br /> Prefix pressure add combustible g wnum bra as mathare was meaty and recorded during <br /> monitoring an Jill 5I19, are (9) dull gas samples (and contends) wore cri eaed tram probes where <br /> Additionally, <br /> reakd be made (probes B-1 at 5 ft and 10 ft, pace a2 at 5 fit, probe B-a at 5 ft ge ce). probe <br /> rid come B-5 at 5ft and 20 ft.. in ap rome aely-labeled bmCN sampdnnelriers provided by <br /> loam EBbma0rles, Inc (Inech). One (1) dedicate oal gas sample was pinched from a sekef locum <br /> Uposea B-3 at R). Sao gas samples were shipped under strict chalnuf-cushdy Ixoecul e, and testes <br /> laaecl; be doe minmen of composmnal analyse of Unrea including comclable wmadmtaa of <br /> dioxide, hydrogen harem. manure (Ch. ethane and blinders (02), <br /> praparm and ronvlegre (caeon ars nn ne and al butane (c4l. emissions m p and! <br /> a <br /> around pluscamse as lc .7� <br /> Sea gas investigation re,mr, guar, evaluated he Whnfia moral efenme nauseamde Wanted <br /> flammability of conflomfibas gas az Urethane Unit C2 — Cs <br /> deatn requirembeems far Mrs proposed add an she bud rig improvements <br /> afeN racelea 1-t samma <br /> On Islnramry Prepared. anropri ampule was pSummpraidge. <br /> mimmer nisters eight samples trims Pare rs1eeaeraed ram porobe set sB9 at 6 fi.sM 10 ft5oola 2 at 5 ft. (WM 1 duptrad <br /> ample). P3 cat , -4 at s Mena B-5 at 5 ft. and 20 ft. Solt gas napes ware oate bed in games, <br /> au OTSC and dos Angeles nose Re water Quality Control Boards <br /> pubAheaco ^m its Am s MJ�N rats gib <br /> ivered to been using Wd chain fitly gingival and the laboratory was <br /> disposal examined;Sample elem�ine de ecotain aoraenterflop of axe Capture; Campwnas (TOG) using EPA valued <br /> To15 and gass Ine-range hydmcarbors (fPHg) using EPA Method 8260. <br /> Sea valuated far pantial human health eapeaata risks based on <br /> s fB, aMQCB ESLs in acommernalnraasvral land use so rat, dada January zol92.4 . <br /> Signor; Wag Ends Testing on 12116119, Teru�eta personnel Started a contracted Case 6801a <br /> backhoe one er to expose the omne abaMned O1119a wall by rid eadeden of an approximate 10M <br />