GCMS analysis results, sample AE12532, June 2002

Machine-extracted title · confidence 75%

Gas chromatography-mass spectrometry analysis of sample AE12532 performed on 6/10/02, detecting 2,4-DDD surrogate at 77% recovery.

NYC-WTC_000014532–000014551

Folder label: “GCMS X 5/28/02 A 5/29/02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\052902\12532.D Vial: 23 Acq On : 30 May 2002 4:00 am Operator: McLean Sample : gc/ms scan 5/28 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L * * * * * * * ************************************************************** Peak Number 2 Methylene Chloride Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 3.76 0.95 ug/L 624317 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 2 Borane, trifluoro- 68 BF3 007637-07-2 3 Methylene Chloride 84 CH2C12 000075-09-72 2 4 Boron trifluoride etherate 142 C4H10BF3O 000109-6 277 2 Abundance Scan 116 (3.761 min): 12532.D (-114) (-) m/z 49.10 0.00% 49

5000 88 8285 37 4144 - - 3.40 3.60 3.80 4.00 4.20

miz-> 0 °r‘*‘*‘*4*2441’4441118+114 5 1.14 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ■I"111" m/z 88.00 27.60% Abundance #111040: Methylene Chloride 49 84

5000 ' ■ i ■ ■ ' 1 i ■ ■ ■ ■ i • ■ ■ ' i ' ■ 1 ■ i ■ 340 3.60 3.80 4.00 4.20 35 m/z 87.00 21.06% 14 2528 32 3841 88 52 70———— - 0b —HHpTTpp ————— n/z- > Abundance 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #12321: Borane, trifluoro- M 49 3.40 3.60 3.80 4.00 i4 4.20 5000 m/z 48.05 20.67%

miz-> 11 19 ob 11101111———3095—1u"0TE—82-22-2"" o 5 30 38 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 68 i ■ ■ • ■i “ • ■ i ■■ ■ ■ i ■ ■ i■ ■ • ■ i “ ■ • i• “' i • ■ ■ ■ i • • ■•i ■ ■ MAMM. Abundance #12327: Methylene Chloride -n-n^-n-T-n-r-yn-T-n-T-yn-T-T-r-pr^^ 49 3.40 3.60 3.80 4.00 4.20 84 m/z 81.90 20.48% 5000

88 Tlfe-> 14 18 24i I 2831 OfI I I I | I I 1 I | ! t t I | l iri| l 0 5 353841 ! 1 1 | | I u |H I 1| I I > ! | I 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80859095 +2 ■i ■ ■ ■■ i ■ ■ “ i “ ■ ■ i 70 ■111 “ ‘ i •11 t— 3.40 3.60 3.80 4.00 4.20

12532.D 052202.M Mon Jun 03 11:44:12 2002 Page 4

NYC-WTC_000014540

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GCMS analysis results, sample AE12531, June 2002 · Box DEP Box 15

NYC-WTC_000014509

Laboratory report showing GCMS analysis results for sample AE12531 including surrogate recovery data on June 10, 2002.

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