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GCMS blank analysis results, sample AD31498, February 2002

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Gas chromatography-mass spectrometry blank quality control analysis showing results below method detection limits for organic contaminants tested February 27, 2002.

NYC-WTC_000038122–000038129

Folder label: “GCMS X 2/21/02 A 2/22/02

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NYC 9/11 Public Portal Document

User: Galos, Marie Westchester Dept, of Labs & Research Date: 02/27/2002 Time: 12:37:32

Sample: AD31498 Analysis: SB1GCMS Blank for GCMS Scan Units: ug Started: 2/27/02 12:36 Ended: 2/27/02 12:36 Analyst: MG Result source: manual entry Page: 1

n-Nitrosodimethylamine < MDL 2.0 bis(2-Chloroethyi)ether < M DL 20 1,3-Dichlorobenzene s MDL 2.0 1,4-Dichlorobenzene <MDL 2.0 1,2-Dichlorobenzene < MDL 2.0 2,2'-oxybis(1-Chloropropanej MDL <<MDL 20 n-Nitrosodi-n-propylamine : () Hexachloroethane <MDL 20 Nitrobenzene s MDL 20 Isophorone <MDL 2.0 bis(2-Chloroethoxy)methane < MDL 2 0 1,2,4-T richlorobenzene <MDL 2.0 Naphthalene <MDL . 0 Hexachlorobutadiene <MDL 2.0 2-Chloronaphthalene < MDL :• o Dimethylphthalate < MDL .• n 2,6-Dinitrotoluene s MDL 2.0 Acenaphthylene < MDL 20 Acenaphthene < MDL 2.0 2,4-Dinitrotoluene < MDL : 0 Diethylphthalate <MDL 2o 4-Chlorophenylphenyl ether <MDL .o Fluorene < MDL 2 0 AzobenzeneH,2-Diphenyihydraz < MDL 2 0 n-Nitrosodiphenylamine <MDL 2.0 4-Bromophenylphenyiether < MDL 2.0 Hexachlorobenzene <MDL 2o Phenanthrene <MDL 2.0 [Anthracene <MDL ?0 Di-n-butylphthalate <MDL 2 1) Fluoranthene <MDL ? 0 Pyrene < MDL 2 0 Butylbenzylphthalate <MDL 2.0 ’ [Benzofajanthracene < MDL 2 0 bis(2-Ethylhexyl)phthalate <MDL 2.0 [Chrysene < MDL 2.0 ’ Di-n-octylphthalate < MDL 20 Benzo(b)fluoranthene <MDL 2.0 <MDL Benzo(k)fluoranthene 2.0 Benzo(a)pyrene < MDL 2.0 lndeno(1,2,3-cd)pyrene < MDL 2.0 Dibenz(a,h)anthracene <MDL 2.0 Benzo(g,h,i)perylene < MDL 2.0

NYC-WTC_000038122

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NYC-WTC_000038122Source: NYC Law Department, mirrored locally

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