NYC-WTC_000220089

NYC 9/11 Public Portal Document JUN-11-2002 18=59 DEUTSCHE BANK 212 469 3210 P. 13

AMBIENT GROUP Dloxins/Furans, HRGC/HBMS (8290) CUent Sample ID: 211909-12D

Exit-Sample O2D190191 -012 WorkOrtlsr#..) BX6VPIAA Matrix...) SOLID Date Samplad.-: 04/18/02 Date Recelved-; 04/19/02 Instrument: 5D5 Prep Date—: 04/19/02 Analytsu uate..; 04/24/02 Unite.,..) Prep Batch 2109509 DUation Factor: 1 % MttUtnre:

DETECnON TEF TEQ UMn FACTOR CONCENTRATION PARAMETER RESULT

23,7,R-TCDD 1100 1.000 1,100.000000 1,23,73-PeCDD 4000 0.500 2,000.000000 1,23,4,73-HxCDD 3100 0.100 310.000000 1,23.6,7,8-HxCDD 5000 0.100 5004)00000 l,23,7,8>HxCDD 4800 0.100 480.000000 133,4,6,7,8.HpCDD 27000 0.010 270.000000 QCDD S2000 o.ooi 52.000000 2.3,7.8-TCDF 5600 CON 0.100 560.000000 U3,7,8-P«CDF 6900 0,050 340.000000 2,3,4,7,8-PeCDF 8900 0.500 4,400.000000 143.4,7>HxCDF 11000 0.100 1,100.000000 1A3,6,7,8-HxCDF 9600 0,100 960.000000 23,4,6,7,8-HxCDF 8800 0.100 880.000000 1,2,3,7,8.9-HxCDF 840 0.100 844)00000 1,2,3,4,6,7,8-HpCDF 38000 0.010 380.000000 1,2.3.4,73,9-HpCDr 4400 0.010 44.000000 OCDF 20000 0.001 20.000000 Total TEQ Concentration 13,480.000000 PERCENT RECOVERY INTERNAL STANDARDS RECOVERY LIMITS

I3C-2,3,7.8-TCDD 57 40 - 135 13Ol,2.3.7,8-PeCDD 55 40-135 13C-I,2.3.6.7,8.HxCDD 50 40-135 13C-l,2,3,4.6.7.8-HpCDD 63 40-135 13C-OCDD 69 40-135 13C-2,3,7,8-TCDF 43 40-135 13C-l,2,3.7,8-PeCDF 61 40-135 13C-l,2,3.4,7,8-HxCDF 52 40-135 1301.2.3,4,6,7,8-HpCDF 63 40-135

Now. TEF mlucs ire oiled In US. Eavinnuncaial FroiMJioB Agtooy, (1989) Intcrin procaluita nr atdliuUiie itsto usoclatod wllh oqioinDcn (o mlxtuna et eWortaawJ <Ubcazo-p.d>iMbu and .dlbeuafimM (CDDi end COFs) end 1929 up^te. US. Envliwnneiioii Fnuctien Affency. Riik Anassnem tbnm WajhiowoiL DC BPAZdZOT-SMllfi.

CON Confirmation analysis.

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CITY_21MC1OO_OO2911675

NYC-WTC_000220097