NYC-WTC_000220173

NYC 9/11 Public Portal Document

JUN-11-2002 10:58 DEUTSCHE BANK 2124693210 P.16

AMBIENT GROUP Dloilni/KuyaBS, HRGC/HRMS (8290) CUent Sample H): 211909-10D

Lol^Sample O2D190191 -010 Worit Order #_.t EX5VM1AA Matrix—t SOLID Date Sampled...: 04/18/02 Date Received-: 04/19/02 Ifuitrumtntt 5D5 Prep Date—i 04/19/02 Analyst* Date-i 04/24/02 Units....: Pg/g Prep Batch : 2109509 Dilution Factor] 1 % Moisture:

DETECTION TBF TEQ GMIT FACTOR CONCENTRATION PARAMErER RESULT

23,7,8-TCDD 840 1.000 840.000000 1,23,7,8-PeCDD 2200 0.500 1,100X100000 1,2,3,4,7,8-HxCDD 2000 0.100 200,000000 1,2,3,6,7,8-HxCDD 4200 0.100 420.000000 143,7,8,9-HxCI)D 2500 0.100 250.000000 133A6,73-HpCDD 30000 0.010 300.000000 OCDD 72000 0.001 72.000000 23,7,8-TCDF 4500 CON 0.100 450X100000 13.3,73-PeCDF 5300 0.050 260X100000 23,4,73-PeCDF 5400 0.500 3,200.000000 1,23,4,73-Hi:CDF 13000 0.100 1300.000000 133,6,7,8-HxCDF 8200 0.100 820.000000 2.3,4,6,7,8-HxCDF 10000 0.100 1,000.000000 1,23,7,8,9ExCDF 510 0.100 51.000000 1.23,4.6,7.8-HpCDF 55000 0.010 550.000000 133,4,7,8,9-HpCDF 5200 0.010 S2.000D00 OCDF 45000 0.001 45.000000 Total TEQ Concentradun 10,930.000000 PERCENT RECOVERY INTERNAL standards RECOVERY LTMITS

13C-23.7.8-TCDD 54 40-135 1301,2,3,7.8-PeCDD 53 40 - 135 1301,2,3,6,7,8-HxCDD 58 40.135 13O1.2,3,4,6.7.8-HpCDD 60 40 -135 13O0CDD 61 40-135 1302,3,7,8-TCDF 42 40-135 l3Ol,23.7,8-PeCDF 54 40- 135 1301.2.3,4.7.8-HxCDP 48 40-135 13OI,2,3,4,6,7,8-HpCDF 58 40 -135

Notes:

TEF value, are tiled In U.S. Envtroniooaial Proaxtlon Agency. (1989) Inlertm procedura fti estimailBg ridu auoelaied whli wpoeuros to mixmm ofchlorlaelod FitvironotalalProttctlon Amacy.Ride Aiieawmiterom. Wasidasioti.DC

CON Confirmation analysis.

SMjovtTBqjUT' Rw. 0 IVlOZJOOf

CITY_21MC1OO_OO2832737

NYC-WTC_000220173