GCMS blank analysis results, sample AE12288, June 2002

NYC 9/11 Public Portal Document LIbrary searcn compound keport

‘ Data File : C:\MSDCHEM\1\DATA\052902\LB.D Vial: 4 Acq On : 29 May 2002 12:32 pm Operator: McLean Sample : gc/ms scan 5/24 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 8 Methylene Chloride Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 4.04 2.66 ug/L 1598500 1,4-Dichlorob'enzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 4 2 Methylene Chloride 84 CH2C12 000075-09-2 2 3 Methylene Chloride 84 CH2C12 000075-09-2 2 4 Methylene Chloride 84 CH2C12 000075-09-2 2 Abundance Scan 164 (4.043 min): LB.D (-163) (-) m/z 49.10 100.00%l 49

5000 86

82 38 42 । 58 3.60 3.80 4.00 4.20 4.40 04 qp Ppm ■ i “'11“ ■ m/z 86.00 45.80% mfz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 / Abundance #111040: Methylene Chloride 49 84

5000 3.60 3.80 4.00 4.20 4.40 35 m/z 88.00 25.80% 14 0 . 11..»> J.»111.. +2628,22. 2811 70 152 >|,iuin-.il.■■■innp 88 -m-p.l Hpmmm niz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 49 84 3.60 ' 3.80 “ 4.66 " 4.20 “ 4.40' ‘ 5000 m/z 86.90 17.68%

i 88 nayutusp I 67 71 17 04 IT] I I I l | 11 I I |‘I I I I | I 1 I I | > 2831 3538 43 U .. 1.... I.... 1,. I Hhmm 1II|IIII|I!I I| II II |I ,152 57 n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride 49 3.60 3.80 4.00 4.20 4.40 m/z 82.00 15.71% 84 5000 J

n/z-> 0 • । j 11 j : ।«i14 18 24 2831 353841 || 70 !! |j i« j »। n • ■! 1111 j । r t«111111 j 111 r p-11

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 >2 . t.... 1,. 1. (. I.... J,... J. 11 88 HH 3.60 +114LA 3.80 4.00 4.20 4.40

LB.D 052202.M Mon Jun 03 09:27:16 2002 Page 11

NYC-WTC_000014168