GCMS surrogate recovery results, sample AE12326, June 2002

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Laboratory report showing GCMS analysis results for sample AE12326 including surrogate recovery data on June 10, 2002.

NYC-WTC_000014384–000014405

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\12326.D Vial: 17 Acq On : 29 May 2002 11:07 pm 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 8 Methylene Chloride Concentration Rank 8 R.T. EstConc Area Relative to ISTD R.T. 4.26 0.79 ug/L 505062 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 9 2 Methylene Chloride 84 CH2C12 000075-09-2/9 3 Methylene Chloride 84 CH2C12 000075-09-2 7 4 Methylene Chloride 84 CH2C12 000075-09-2 7 Abundance Scan 202 (4,266 min): 12326.D (-197) (-) m/z 84.00/ 100.00% 84 49 5000 91 43 4.00 4.20 4.40 4.60 0- . . | .... |.... |.... 1 . ,, . | ■ > I I | I l rr] I . O | . I . | . . , TTTTTTT T TI "I"'' I ‘ m/z 49.10 66.52% n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Abundance #12327: Methylene Chloride 49 84 5000 4.00 4.20 4.40 4.60 m/z 86.00 50.06% 14 24 29 35 41 || Of 1111.1111.11111 >1111111 11111 >iri111111111 > 11II t 70 'I'l ■■ "i ■"11‘ ,*****+2* I""!"1 miz-> 5 10 15. 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Abundance #111041: Methylene Chloride 49 ■ ‘ i ■ ■ ■ ' i ■ • ■ ■ i 1 ■ ■ ■ i ■ ‘ 84 4.00 4.20 4.40 4.60 5000 m/z 91.10 39.31%

nfe-> 5 O mIWWPTTTTTCTTTPTTTTH 29 41 59 65 Tmmpmmumrt 73 78 . 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 M9mmm Abundance #111040: Methylene Chloride 1 1 1 1 I 1 ' 1 1 1 ‘ f1 ■ i • < ■ • i • ■ ■ ‘ 49 4.00 4.20 4.40 4.60 84 m/z 43.10 25.87%

5000

0: 14 28 1 41 । 70 । m/z- > 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 11111! 11>>111111>।r1111111r i 111 ] 111111! 1111 > । r t111j1111111j।j11k।{111111111111!11 >1111 < i > । r ■ ■ i ■ • • ■ i ■ ■ ‘ 4.00 4.20 । 4.40 • i ■ ■ 4.60

12326.D 052202.M Mon Jun 03 11:32:50 2002 Page 11

NYC-WTC_000014399

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NYC-WTC_000014399Source: NYC Law Department, mirrored locally

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