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Chain of custody summary, environmental samples

Machine-extracted title · confidence 80%

Summary document detailing the chain of custody for analytical results regarding environmental samples collected at the World Trade Center site.

NYC-WTC_000186490–000186495
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Scanned page image, NYC-WTC_000186490
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NYC 9/11 Public Portal Document

o co o co SUMMARY OF ANALYTICAL RESULTS i X5O4.xta CD o X CD lO o O o o oI The Action Levels listed relBect current STL Edison knowledge of the standards and are fnJended ss general o . guidance for the user. Please consull apprcpriate regutafions and cleanup standards for your spedflc applicaium. O i S (N Sample IO New York T/y5l Bfl_30HP_SumpPum p Lab Sample Number Rec. Sol S56762 H Sampling Date Cleanup C^ectl 09/17702 Malrlx , Crllert/<uon) WATER o Dilution Factor 1.0 Units_____________

VOLATILE COMPOUNDS (GCMS) Benzene 60 0.6 Tetradiloraelhene 1400 0.2 U Z Toluene 1500 1.4 5 ►—I Ethylbenzene XylanefTotal) ^0 1280 D.S 2.1 a MTBE 120 43 w s ______ ChlarodilluoraneBiane NA 130 < 178 Total Conftienl Cone. VOAs (s) a Talal Estimated Cone. VOA TICs (5| NA o X U] (1} Values listed reflect the combtnetl standaids ftr the cis and trans Isomers of 1,3-Oichloroprcpena. gw * Value Is a revision to the Class IIA ground water quality sUndanl based upon the November la. toga Sate DrinWng Water Act maximum cnnlamtnanl level changes and Ihe February 5.1897 poScy 05 O s Qualifiers U- Thaaatrvcnjwi wa*noldalDctedaIlhB>n£flcHtedooo(»ntraHna J' DatatndIcelBiUsaprB»erc»ofBcompoandIhB*niBel»IhfiWatlSQcaWoncrilBJla- ThercaunisIoMlhantiBtsjQcfflBtlDnFrnllbulfifeaiexihinznnik Pw conconirdilon flvan b an eppicNilmcte vafuo. B- ThBairalyhurasrDUndinlhBbhQralmyblJnkBSWnllaslnBCBnipte TtSiWItatespusshlaletMialoryccntomfriitonorihemriiawoBilHlianiplB. j NR- NnianiViad. o to 03 CQ

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CM o o CM \ CO Checked By: o ___ OK ___ Make Corrections Page 1 BJ251Q2 3:55 PM o

NYC-WTC_000186490

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NYC-WTC_000186490Source: NYC Law Department, mirrored locally

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