GCMS analysis results, sample AE12532, June 2002

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Gas chromatography-mass spectrometry analysis of sample AE12532 performed on 6/10/02, detecting 2,4-DDD surrogate at 77% recovery.

NYC-WTC_000014532–000014551

Folder label: “GCMS X 5/28/02 A 5/29/02”

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\052902\12532.D Vial: 23 Acq On : 30 May 2002 4:00 am Operator: McLean Sample ; gc/ms scan 5/28 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C: \DATABASE\NIST98 . L

Peak Number 10 Cyclopentasiloxane,- decamet... Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 12.37 1.99 ug/L 1784480 Napthalene-d8 13.39

Hit# of 5 Tentative ID MW MolForm CAS# Qu. 1 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02- 83 2 Cyclopentasiloxane, decamethyl- 370 C10H3005Si5 000541-02- . 3 Phenethylamine, N-methyl-.beta.,... 399 C18H37NO3Si3 010538-85-9 35 4 Benzeneethanamine, N-[ (pentafluo. . . 563 C24H34F5NO3Si3 055429-13-5 32 Abundance Scan 1582 (12.374 min): 12532.D (-1567) (-) m/z 73.10 100.00% 73

5000 267 355 12.00 12.20 12.40 12.60 12.80 45 , j —mmmr 4 108 133 ।154170 193 223 249 O-TTTmuug—n——yuT 323 1 -np-T|4|TT 4 4041^41141114 m/z 267.00 38.57% miz-> 20 40 60 80 100120140 160 180 200 220 240 260 280 300 320 340 360 380 Abundance #115315: Cyclopentasiloxane, decamethyl- 73

355 267 5000 • i • ■ 1 . I ■ ■ 1 1 1 1 ' 1 1 1 1 12.00 12.20 12.40 12.60 12.80 m/z 355.10 29.83% 45 207 249 1 323 1 0 ’ r *•‘1“ ' | ... , | . ,. . | . 1 , |14II|II I I| 4 1 | ft I 4 |T! 1 1 | I | ^! 4 | 4 I mptm i". ■ i “ n/z-> 20 40 60 80 100120140 160 180 200 220 240 260 280 300 320 340 360 380 Abundance #115273: Cyclopentasiloxane, decamethyl- 73

12.00 12.20 12.40 12.60 12.80 5000 267 m/z 356.00 11.05% 355 45

n/z—> 0 „28.14 । 96 115133 165 , 193 223 249 1 293 323 , I , . i, it 1 1-1 !. 1 ,-i ”t T‘ rri [′" 1101 20 40 60 80 100120 140 160 180 200 220 240 260 280 300 320 340 360 380 Tmmmmmmmp Abundance #115313: Phenethylamine, N-methyl-.beta.,3,4-tris(trimethy... _________ , 1 | ‘ ‘ ‘ ‘ 1 * ' ' 1 . ■ i ■ ■ ■ ■ i ‘ 73 12.00 12.20 12.40 12.60 12.80 m/z 268.00 10.79% 5000 355 44 ,93 130147 193 220237 267 294 384 vfz~> oV 7il l. 11,11 r.'r>, 1V11 [11111 r>| 1-111>7| 11111 r'l 11 p I ,'rirri 1111111111 11 11111 ■ 20 40 60 80 100 120 140160 180 200 220 240 260 280 300 320 340 360 380 12.00 12.20 12.40 12.60 12.80

12532.D 052202.M Mon Jun 03 11:44:28 2002 Page 12

NYC-WTC_000014548

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GCMS analysis results, sample AE12531, June 2002 · Box DEP Box 15

NYC-WTC_000014509

Laboratory report showing GCMS analysis results for sample AE12531 including surrogate recovery data on June 10, 2002.

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