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GC/MS analysis results for sample AD23834, Nov 1 2001

Machine-extracted title · confidence 95%

Laboratory report documenting GC/MS analysis of sample AD23834 conducted on November 1, 2001, identifying unknown compounds.

NYC-WTC_000089476–000089500

Folder label: “GC/MS Scan 10/1/01

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Scanned page image, NYC-WTC_000089487
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NYC 9/11 Public Portal Document

Library Search Compound Report .Data File : C:\HPCHEM\1\DATA\OCT3001\23834.D vial: 19 Acq On : 31 Oct 2001 8:04 am Operator: 209 GTkLOS Sample : gc/ms unknown Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\NP101901.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 5 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 7.69 1.65 ug/1 243808 1,4-Dichlorobenzene-d4 11.72

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanoney/4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 40 2 Propane, 1/T-dipropoxy- 160 C9H20O2 004744-11-0 39 3 Hydrazine^ 1,1-bis(1-methylethyl)- 116 C6H16N2 000921-14-2 25 4 3 -Hydroxy -3-methy1-2“butanone 102 C5H10O2 000115-22-0 12 Abundance 7 Scan 289 (7.694 min): 23834.D (-) m/z 4^795 100.00% 43

59 253 101 7.40 7.60 7.80 8.00 . 71 83 , 207 r* in/z 59.05 56.83%

JU T 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 'Kbundance #64275:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 m/z 100.95 24.73% 15 31 I 83 I I' rM- I 1'1 , I I , 1 , I |, , , , I , , I I I I , H I , , , , I , , , I I I I , , I , , . , I ■n/z-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 Abundance #12441: Propane, 1,1-dipropoxy-___ 4Q -59

7.40 7.60 7.80 8.00 5000 101 Wz 58.05 19.28% 31 89 131

r "' I n/z-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 ^bundance #3324: Hydrazine, 1,1-bis(1-methylelhyl)- ------------ ------------ ------------ 5b------ -------------------------------------- ?------- -- --- r,.— 7.40 “7.60—7.8O“^8;oo; m/z 41.05 7.97%

5000- 101 ............ ■ 42 27 116 .... r|„],|,„,|ll,,|„ , , 73 ,84.. ■trrrpr ' I" " I" " I" " I" " I" " I" " I" " I" " I" " I"' H. 11.. m • Il ■ p .1 .| 10 20 30 40 50 60 70 80 90 100110120130140150160170180190200210 ' 7.46' ' 7.60' '7.80' '&66'

23834.D NP103001.M Thu Nov 01 13:21:34 2001 Page 5

NYC-WTC_000089487

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NYC-WTC_000089487Source: NYC Law Department, mirrored locally

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