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GCMS surrogate recovery report, sample AE12283, June 2002

Machine-extracted title · confidence 100%

Report documenting the recovery percentage of the 2,4-DDD surrogate standard used to validate gas chromatography-mass spectrometry analysis.

NYC-WTC_000015696–000015724

Folder label: “GCMS X 6/7/02 A 6/10/02

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Scanned page image, NYC-WTC_000015707
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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\0610022\12283.D Vial: 11 Acq On : 10 Jun 2002 7:10 pm Operator: Sample : gc/ms scan 6/7 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 4 Borane, trifluoro- Concentration Rank 10 R.T. EstConc Area Relative to ISTD R.T.

3.81 1.87 ug/L 1486980 1,4-dichlorobenzene-d4 9.90

Hit# Of 5 Tentative ID MW MolForm CAS# Qual

1 Borane, trifluoro- 68 BF3 007637-07-2 2 2 Ethyl Chloride 64 C2H5C1 000075-00-3 1 3 Boron trifluoride etherate 142 C4H10BF3O 000109-63/ 2 4 4-Pentenal 84 C5H8O 002100- -6 1 Abundance Scan 124 (3.808 min): 12283.D (-123) (-) m/z 84.00 100.00% 84 49 5000

41 57 70 3.40 3.60 3.80 4.00 4.20

nz-> 0- 0 m 10 20 30 40 ------ 50 60 70 80 90 100 110 120 130 m/z 49.10 59.54% Abundance #12321: Borane, trifluoro- 49

5000 3.40 3.60 3.80 4.00 4.20 m/z 50.10 43.21% 68 , ", 0- . 1.19 .30 38 .. ■ i 1' ■ ■ i ■ ■ * 11 * ■ ■ * i ■ ‘ • i ■ ■ ■ ■ । 1 11 * i *1 ■ 11 ‘1 1 ■ i * *

miz-> 0 Abundance 10 20 30 40 50 60 70 80 #107943: Ethyl Chloride 90 100 110 120 130 "MWl 23

3.40 3.60 3.80 4.00 4.20

.*wP 64 5000 m/z 48.10 16.55% 49 35

n/z-> 0 0- + 15 I - lrri II/, ' ■ ■ Ml 10 20 30 40 50 60 11 ■ ■ ‘ ■ i ■ ■ • ■ i ■ ■ ■ ■ i ■ ■ • • i ■ ■ ■ ■ i ■ ■ ■ ■ i • • 70 80 90 100 110 120 130 Abundance #1099: Boron trifluoride etherate i ' 1 1 1 i 11 1 1 i 1 1 ■ ' । ■ ■ ■ ■ । 1 ■ 31 3.40 3.60 3.80 4.00 4.20 m/ z 57.10 11.27% 59 4 5000 45 74

u/z-> 0- 0 * ' I ' 10 154254 20 30 +3944——— Tr THTT 40 50 60 66 70 .81 80 93 127 90 100 110 120 130 1 3.40 3.60 3.80 4.00 4.20

12283.D 060302.M Tue Jun 11 08:23:42 2002 Page 7

NYC-WTC_000015707

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NYC-WTC_000015707Source: NYC Law Department, mirrored locally

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