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GC/MS analysis results for sample AD2257-, Oct 2001

Machine-extracted title · confidence 100%

Laboratory report documenting GC/MS analysis of sample AD2257- conducted on October 1, 2001, identifying unknown compounds.

NYC-WTC_000087120–000087131

Folder label: “508 Scan 9/18/01 9/27/01

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Scanned page image, NYC-WTC_000087128
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\l\DATA\SEP2701\22577A.D Vial: 3 Acq On : 27 Sep 2001 1:57 pm Operator: GALOS Sample : gc/ms unknown <1 ml Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\NP072501.M (RTE Integrator) Title : 208 625/TCLP calibration table 7/25/01 Cl IS 5 Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.92 2.31 ng/uL 306727 1,4-Dichlorobenzene-d4 11.97 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 53 3 2-Pentanone,' 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 40 4 Acetone 58 C3H6O 000067-64-1 16 Abundance Scan 336 (7.921 min): 22577A.D (-) m/z 41700 100.00% 4(3

5000 59 ......................... 101 7.60 7.80 ioO 8.20 I " " I " " I " "I prrTTprrrr+r m/z 59710 41.75% m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 ZXbundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 4(3

5000 59 7.60 7.80 8.00 8.20 m/z 58.10 19.32% 27 pTTTpTrTTp-rTTp4TTy(-rr^^ 49 I" " I ■Il»llp7»l T 83 101 fl mZz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Abundance #64275: 2-Pentanone. 4-hydroxy-4-methyl- 4(3

7.60 7.80 8.00 8.20 5000 13.87% 59

15 31 101 83 , I ......... pTTTjrrrrttT m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- 4(3 7.60 7.80 8.00 8.20 m/z 41.10 6.85%

5000 59

31 „.l 73 « j1i41pTTTpTTTpTTTyTTTTJTr|-rp-r^^ .T 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 7.60 7.80 8.00 8.20

22577A.D NP072501.M Thu Sep 27 14:58:00 2001 Page 1

NYC-WTC_000087128

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NYC-WTC_000087128Source: NYC Law Department, mirrored locally

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Series of administrative records documenting Section 508 accessibility scans conducted at the World Trade Center site between September 18 and 27, 2001.

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