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GCMS surrogate recovery report, sample AE12283, June 2002

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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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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 19 Thiophene, 2-[2-(3-thienyl)... Concentration Rank 20 R.T. EstConc Area Relative to ISTD R.T. 22.53 0.27 ug/L 325946 Phenanthranene-dl0 22.91

Hit# of 5 Tentative ID MW ■ MolForm CAS# Qual

1 Thiophene, 2-[2-(3-thienyl)ethen... 192 C10H8S2 116854-09-2 50 2 4-Hydroxy-3,5-dimethylcinnamic acid 192 C11H12O3 1000132-15-8 50 3 2,5-Dihydrophosphole, 3-methyl-l... 192 C11H13OP 1000196-97-5/45 4 2-Propenal, 3-(3,4-dimethoxyphen... 192 C11H1203 004497-40-9 45 Abundance Scan 3311 (22.533 min): 12283.D (-3291) (-) m/z 192.00 100.00% 19/2

5000

96 146 160 ..... a.... Ai 22.20 22.40 22.60 22.80 ' ~' mfc-> 42 51 66 82 I | | l 0 ' l ' • " I " 1' I 11 ' 1 1'" “ m I I | I I ■ I | I I I I 11 I I I | , I , I rrri i 11 i > i । i ■ n-j-rr+rj > i i ifrrr. । i i , i । , i i i j1 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 m/z 191.00 21.62% Abundance #81023: Thiophene, 2-[2-(3-thienyl)ethenyl]- 192

147 5000 22.20 22.40 22.60 22.80 45 m/Z 193.10 14.68%| 1 58 69 ro 96 115 iz-> 27 0: TITTTTT -----+99-+ H ■ i ■ 177 i ■ ■ “ 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 134 , 158 . I Abundance #81030:4-Hydroxy-3,5-dimethylcinnamic acid A 192 ....................................... "T 22.20 22.40 22.60 22.80 5000 m/z 96.10 14.31% 175 63 89 45 1 77 117 145 105 1 7 135 I 0 -----4+4,++4,Tptmtnmpmm 163 I miz-> 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 Abundance #80965:2,5-DihydrophosphoIe, 3-methyl-1-oxo-1 -phenyl- 19 2 22.20 22.40 22.60 22.80 164 m/z 146.10 13.45%| 5000 99 115 47 77 177 67 125 146 0 .44 li57 ,II, , 87,41444p4.34 4155, TTTdm hajondpanna] -r-p-r . ...... A n/z—> 20 30 40 50 60 70 - 80 90 100 110 120 130 140 150 160 170 180 190 200 22.20 22.40 22.60 22.80

12283.D 060302.M Tue Jun 11 08:24:53 2002 Page 22

NYC-WTC_000015722

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NYC-WTC_000015722Source: NYC Law Department, mirrored locally

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