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← Document results/DEP Box 15/GCMS X 5/24/02 A 5/28/02
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GCMS calibration table for TCLP extraction method

Machine-extracted title · confidence 90%

GCMS analysis results for sample AE11603 dated June 4, 2002, documenting unknown compounds and surrogate recovery.

NYC-WTC_000013968–000013996

Folder label: “GCMS X 5/24/02 A 5/28/02

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052802\11603.D Vial: 9 Acq On : 28 May 2002 8:49 pm Operator: McLean Sample : 5/24 ad re-ext Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integfator) 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 12.49 ug/L 9020590 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 C6H12O2 000123-42-2 78 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 4 Acetone 58 C3H60 000067-64-1 32 Abundance Scan 486 (5.935 min): 11603.D (-479) (-) m/ z 43.10 100.00% 43

5000 59 . . । . 'i ।

101 5.60 5.80 6.00 6.20 01 0/000037 +53 71 83.. ..119125 m/z 59.10 34.84% mfe-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43 . y . r< [ . . > . । 5000 59 5.60 5.80 6.00 6.20 m/z 58.10 21.76% 15 101 01 1 ■ 11 ’4 tm 25.31 37, |, +53 83 , 1 I ■ ' 1 ■ i ‘ ' ■ ■ i ‘ 11 ' • ‘ 1 I1 ■ ■ 1 I' ' ■ ■ i ■ ■ ■ 1 i ' ' mfz~> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 4 V —mIPPTT 5.60 5.80 6.00 6.20 5000 m/z 101.10 14.10% 59 27 37 . 101 01 -.... 137 53. +It 67' i1 ■ 77 1 83 91 ,| ■ ■ i' ■ ■ ■ i • ■ ■111 ■ ■111 ■ ■ ■ i ■ ■ ■ ■ i ■ ■

niz-> Abundance 10 20 30 40 50 60 70 80 90 100 110 120 130 #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 A5.60 5.80 6.00 6.20 m/z 41.05 5.80%

5000 59

93 no 101 0 .........11614 >37,1 ’' 1 * *1 * । i i'|'i +—!—H 83 93 | I ■ ‘ 1 ‘ I ' 1 1 1 I ' 1 1 T1'1 ' r |'i । । । i । । । । । । '11 ■ ■ ■ ■ i •1 *' । ■ ■ ■ ■ ।1' ■ ■ । n/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 5.60 5.80 6.00 6.20

11603.D 052202 .M Thu May 30 10:38:55 2002 Page 18

NYC-WTC_000013990

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NYC-WTC_000013990Source: NYC Law Department, mirrored locally

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