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GCMS blank results for sample AE03614, March 28, 2002

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Laboratory report documenting GCMS analysis of a method blank for sample AE03614 to verify analytical system cleanliness.

NYC-WTC_000037740–000037759

Folder label: “GCMS X 2/19/02 A 3/8/02

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NYC 9/11 Public Portal Document Library Search Compound Report . Data File : C:\MSDCHEM\1\5973N\02MAR08\03514.D Vial: 4 Acq On : 8 Mar 2002 6:03 pm Operator: Sample : 508 scan Inst : Instrumen Mise : March 8, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\HP022102.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 9 2-Propanone, 1,1,1-trichlor... Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 6.00 0.38 ug/L 181201 1,4-Diehlorobenzene-d4 9.71 Hit# Of 5 Tentative ID MW MolForm CAS# Qual 1 2-Propanone, 1,1,1-trichloro- $$... 160 C3H3C13O 000918-00-3 72 2 2-Propanone, 1,1,1-trichloro- (C... 160 C3H3C13O 000918-00-3 56 3 2 -Propanone, 1,1,1-trichloro- (C... 160 C3H3C13O 000918-00-3 53 4 2-Propanone, 1,1,1-trichloro- (C... 160 C3H3C13O 000918-00-3 23 Abundance Scan 233 (6.004 min): 03514.D (-) m/z 43.10 100.00% 43

5000

125 5.60 5.80 6.00 6.20 6.40 *TT +49,55,83 3 11 । । । 11 । । । ■ i । । m/z 124.90 12.68% mz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #59081: 2-Propanone, 1,1,1-trichloro- $$ .alpha.,.alpha.... 43

5000 5.60 15.80— 6.00 6.20 6.40 m/z 126.90 7.90% 15 35 ,49 85 97 117 125 0- 1 ■ i ■ ■ ‘ • i ■ ■ • • i ■ • • ■ i ' — -PPP ■ i • ■ ■ ■ i • ■ ■ • i ' '1 ‘ i 1 ■ ‘ 1 i' ‘ miz—> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #59078: 2-Propanone, 1,1,1 -trichloro- (CAS) $$ Trichloroac... 43 5.60 5.80 6.00 6.20 6.40 5000 m/z 96.90 7.60%

0- ■ ■ i ■ ‘ 35 49 TTP61——82, ■ i ■ ■ ■ ■ i • ' ■ ■ i ■ ■' 1 i • ■ 97 117 125 ummmupmput miz—> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #59079:2-Propanone, 1,1,1-trichloro- (CAS) $$ Trichloroac... 43 5.60 5.80 6.00 6.20 6.40 m/z 82.90 6.87%

5000

125 35 “9...... 0 1 TIT i it | » I » » j I »•! * | i . 111'1111111 111 .... I Ji 85 97 117 I I miz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20 6.40

03514.D HP022102.M Fri Mar 15 10:09:23 2002 Page 11

NYC-WTC_000037754

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NYC-WTC_000037754Source: NYC Law Department, mirrored locally

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