GCMS sample analysis results, AE11902, June 3, 2002

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Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11902.

NYC-WTC_000012881–000012907

Folder label: “GCMS X 5-21-02 A 5-22-02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052202\11902.D Vial: 9 Acq On : 22 May 2002 8:20 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102 .M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 15 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. 5.93 11.27 ug/L 7255620 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 83 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 4 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 32 Abundance Scan 486 (5.935 min): 11902.D (-480) (-) m/z 43.10 100.00% 43

5000 59

101 5.60 5.80 6.00 6.20 Ot --44 +-48,53+4'(.69 .............. .. ...... 1 1 1 1 1 1 1 1 ' 1 1 1 1 1 1 1 1 1 ' r1 1 1 1 1 ' m/z 59.10 40.99% miz-> 10 20 30 40 50 ।60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 .. k... 5.60 5.80 6.00 6.20 m/z 58.10 22.11% 15 101

miz-> 0+ ■ ‘ I ■ ''' 10 +20126,44, 30 38,140 +53+ 50 60 1—ummT — 70 80 83 90 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 5000 59 rn/z 101.10 15.60%

— 93 101 01 ......... 26,31 381 TH ‘ 1 * 1 i 1 * 1 i rl 1 । < । i i ■ । । . i-i jw 83 I ■ ■ ■ 1 i ■ • ■ ‘ i 1 1 1 | 1 1 1 1 1 r1 1 1 1 1 1 mfe-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- T■ ■ i ‘ ■ i ‘ • i1" ■'1 ■ i ■ ‘ ■ 1 i 43 5.60 5.80 6 00 6.20 m/z 41.05 6.85% 5000 59 04 101 niz—> 0 +1111127,32.39,1 10 20 30 40 +48,53+ 67 72 77 83 91 96, | 50 60 70 80 90 100 I ' ' ‘ ■ I ' 1 1 ''V ‘ | 1 ‘ 1 ’1 1 Crid i' 110 ■ ■ i ■ ■ ■ • i ' ■ ■ ■ । 5.60 5.80 6.00 ■ 1 ■ ।' ■ ' ■ । 6.20

11902.D 052202.M Tue May 28 12:06:50 2002 Page 18

NYC-WTC_000012903

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GCMS sample analysis results, AE11907, June 4, 2002 · Box DEP Box 15

NYC-WTC_000012989

Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11907.

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