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Method 608 sample preparation log, Dec 2001

Machine-extracted title · confidence 90%

Log sheet detailing sample preparation metrics for Method 608 analysis of WTC samples conducted in December 2001.

NYC-WTC_000031054–000031062

Folder label: “GCMS X 11/2/01 A 12/1/01”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\NOV3001\LBE.D vial: 52 Acq On : 30 NOV 2001 4:40 pm Operator: 209 GALOS Sample : lb 11/2 gc/ms Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\NP112601.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.69 1.58 ug/1 397523 1,4-Dichlorobenzene-d4 11.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy- 4 -methyl - 116 C6H1202 000123-42-2 83 2 Propanal, 2- ydroxy- 2 -methyl - 88 C4H802 020818-81-9 32 3 Acetic acid, 1,1-dimethylethyl este 116 C6H12O2 000540-88-5 25 4 Acetone A 58 C3H60 000067-64-1 16 Abundance Scan 288 (7.685 min): LBE.D (-) m/z 42.95 100.00%

L 43

5000 59

101 —irr-r-p-rn [ TT > II TTIrT . > . 7.40 7.60 7.80 8.00

miz-> ___ ___ ___ 3%4 1 1 I 1 1 1 ' i ■ • ■ • i 1 1 ■ 1 1' 10 20 30 40 +54+ 60 6970 50 8 1011-1111151 i 1 ■ ■ ■ I 80 90 100 110 m/z 59.05 40.75% Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 7.40 7.60 7.80 8.00 m/z 58.05 19.75%

L 27 . , 101 miz-> --------------- 1C 20 30 40 50 IInTTTrt 60 70 +49+ 80 83 90 100 j 110 Abundance #805: Propanal, 2-hydroxy-2-methyl- 43 TA11rrr 59 7.40 7.60 7.80 8.00 5000 31 m/z 100.95 16.98%

— i 36 , 73 88 • ■ i H 111 —1 2 -------- mz->_____ 10 20 30 40 50 60 70 80 90 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester I T T TT T TT 1B—T I I IT I I J T TTB 43 7.40 7.60 7.80 8.00 m/z 41.0.0 6.07% 5000 57

101 15 27 I 10nnn/n—"TI*T11111 1 1 I 1 1 1 ' I' 1 1 r i ■ ' ‘ ■ i + 1 T8I I I 1T J T ITB[T I T TIt T m/z—> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00

LBE.D NP112601.M Mon Dec 03 09:46:43 2001 Page 1

NYC-WTC_000031060

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NYC-WTC_000031060Source: NYC Law Department, mirrored locally

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GCMS calibration table, Nov 2001 · Box DEP Box 21

NYC-WTC_000030923

Calibration data for GC/MS analysis using Method 508 and TCLP procedures dated November 30, 2001.

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