GCMS sample analysis results, AE11901, June 4, 2002

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Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11901.

NYC-WTC_000012852–000012880

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\11901.D Vial: 8 Acq On : 22 May 2002 7:31 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 12 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T.

5.93 11.97 ug/L 8057160 1,4-Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 86 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 47 4 Acetic acid. 1,1-dimethylethyl e... 116 C6H1202 000540-88-5 25 Abundance Scan 486 (5.935 min): 11901 .D (-480) (-) m/z 43.10 100.00% 43

5000 59

101 — ——— 5.60 5.80 6.00 6.20 53 , 69 83 88 , I 01 ................................ .... 1 1 1111 1 11II"4 । f i । —T+ t '1 ' 1 1 1 1 1 ■'' i 1 ■ ■ ■ i ■ ' ‘ 1 i 1 ■ ■ ■ i • m/z 59.10 40.05% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 --- n | . rn 111 FTETTrT 59 5.60 5.80 6.00 6.20 m/z 58.10 21.22% 15 101

iz-> 0! Trndto 10 .20. ■ 2931.38,1 30 40 +53+ 50 T' 60 70 * 80 83 90 ■ ■ 1 PP 100 110 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 5000 59 m/z 101.10 15.34%

62 — 101 0! .....'..... 26,31 38, 1 1 I ' ' 1 1 I 1 1 1 1 1 ■ 1 t ■ । । I " I' '-I 83 93 । I 1 ■ 1 ■ i • ■ ■ ■ i ■ ‘ ■ ■ i ■ ■ ■ 1 i ■ ■ ■ ■ i ■ niz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- ) **I*’’I’+’* 11* ..t.... । 43 5.60 5.80 6.00 6.20 m/z 41.10 6.45%

5000 59 101

m/z—> 0* 1111137,3, 10 20 30 40 +-48,53, 50 60 67 72 77 83 91 95, | 1 I ' 1 • ■ i ■ ' ‘ ' i 1 • 1 1 1' ■ 1 1 1 1 1 ■ • ■ 1 ‘ 70 80 90 100 110 1 ' I 1 ■ ■ ■ i * ■ ■ ■ l 1 ' • 1 i ' ‘ 1 ■ I 5.60 5.80 6.00 6.20

11901.D 052202.M Tue May 28 12:05:45 2002 Page 15

NYC-WTC_000012871

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GCMS analysis results for sample AE11928, June 2002 · Box DEP Box 15

NYC-WTC_000013496

Laboratory report documenting GCMS analysis of sample AE11928 conducted on June 4, 2002.

1 shared topics · Same agency, volume and box · similarity 0.999