GCMS sample analysis results, AE11902, June 3, 2002

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Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11902.

NYC-WTC_000012881–000012907

Folder label: “GCMS X 5-21-02 A 5-22-02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052202\11902.D Vial: 9 Acq On : 22 May 2002 8:20 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS.scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 1 Methylene Chloride Concentration Rank 2

R.T. EstConc Area Relative to ISTD R.T.

3.71 5.52 ug/L 3557290 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qu 1 Methylene Chloride 84 CH2C12 000075-09-2 96' 2 Methylene Chloride 84 CH2C12 000075-09-2 94 3 Methylene Chloride 84 CH2C12 000075-09-2 94 4 Methylene Chloride 84 CH2C12 000075-09-2 90 Abundance Scan 107 (3.708 min): 11902.D (-94) (-) m/z 49.10 1007 49 84

5000

3.40 3.60 3.80 4.00 miz-> O+ TTpTrrpTrTpT-rrp-rrrTTT^^ rt 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3538 42 1 152 58 i ■1111 ■1 ■ ■ i “ ‘ • i “ “ i" " i ■' “ i “ ■' i + 88 m/z 84.00 79.08% Abundance #12327: Methylene Chloride 49 84 5000 1 1 • i • ■ ■ ■ । ■1 ■ । •1 • ■ । ■ i 3.40 3.60 3.80 4.00 m/z 86.00 46.83% 88

niz-> 14 18 24 2831 353841 01Tm—HEmm—tp—umgm 1—000201100801’01015301193201978 t 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 152_______ 70 H Abundance #111041: Methylene Chloride 49 84 ' 3.40 3.60 3.80 4.00 ‘ ' 5000 m/z 51.10 30.51% 46 2629I .52 59 65 4173 77 88 0+ • • । * ।" " i' ■ ■ ■ । Alagesaayuvaaptut! fHT-rp-rTTyTTrTTpT-rT-p-rTTyTT^^ P'!' i"" I'" m/z-> 5 10 15 20 25 3035404550556065 70 75 80859095 Abundance #111039: Methylene Chloride 49 3.40 3.60 3.80 4.00 m/z 47.10 15.95% 84 .... 5000

, 52 57 67 71 77 . 88 2831 3538 43 0- . I p l ! ! | ! I l >| l > .. | U U | I .. T| ■ 1. ! | 11 . , | 1! 1 . , . 1—9010———2u"EBUIB3971181 t ThTp ■ ■ । ‘ । ■ ■ ■ ■ । ■ ■ ■ ■ । ■1 • ‘ । iz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00

11902.D 052202.M Tue May 28 12:06:34 2002 Page 4

NYC-WTC_000012889

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GCMS sample analysis results, AE11907, June 4, 2002 · Box DEP Box 15

NYC-WTC_000012989

Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11907.

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