NYC-WTC_000220089

NYC 9/11 Public Portal Document

JUN-11-2002 19=00 DEUTSCHE BANK 212 469 3210 P.22

AMBIENT GROUP Dioxins/Purans, HRGC/HRMS (8290) asent Samople W: 211909-12JD-P

Lot.Saniple W.„; Q2D2301S4-012 Work Order EX9791AC Matrix..-: SOLID Dats Sampled—: 04/22/02 Dats Received..: 04/23702 josiruniaDt; 7D3 'Prop Date....: 04/25/02 AoaJyelo Dato-i 04/29/02 Units—: p^g - Prep Bsuh 9...; 2 J15447 Dilution Ra ctor: 1 % Mobturo;

DETECTION IBP TEQ UMTT FACTOR CONCajrRATON PARAMETER RESULT

23,7X-TCDD 380 1.000 300.000000 UA?>®*«aiD 1200 02)00 600.000000 1,23,4,7,8-HxCDD 1300 0100 130.000000 1,23,6,7.8-HxCDD 1900 0.100 190,000000 lX3,7A9-BxCDD 1706 0.100 170.000000 l,23.4,6,7X-HpCDD 12000 0.010 120.000000 OCTO 35000 0.001 35.000000 23,7,8-TCDF 1700 CON 0.100 170J100000 UAVX-PeCDF 2260 0.030 110.000000 2,3,4,7X-PcCOT 3506 0.500 1,800.000000 1,23,4,7,8-HxCDF 4400 0.100 446.000000 1,23,6,7,S-HxCDJf 3700 0.100 370.000000 23,4,6,7,a-HxCD’S 4000 0.100 400.000000 1,23,7A9-Hxa)5' 266 0.100 25.000000 l,23/«,6,7,8-HpC»5 16000 0.010 160X00000 1,23,4,7,8,9^pCDF 1900 0.010 19.000000 OCDF 8300 0.001 8.300000 Total TKQ Concaotratlon 3,128300000 PERCENT RECOVERY INTERNAL STANDARDS RECOVERY UMirS

13C.23.7,»-TCDD 30 40 -135 130-1,2.3,7,8-PeCDD 73 40 - 135 13C-1,2,3,6,7,S-HxCDD 72 40-135 130-14.3.4,6,7,8-HpCDD 69 40-135 13C-OCDD 77 40 -135 l3C-2,3.7.8-TCDF 75 40-135 130-1,2,3,7,8-PaCDF 77 40 -135 130-1,23.4,7,8-HjiCDP 75 40 -135 130-1.2.3,4,6,7,8-HpCDF 67 40 -135

Notes 7EF valuaa am died in U3. Eavimiiiseiiul Frotcotion Af/acy, (198?) laiadm pmasduns ibr eedmaiJng rials) emstriated with exjtojuna <o Dlxhmi ofdilorinaied dawasD-pdieirifta and .dJhraioflinuiB (CDD4 and CDPi) md 1989 update. US. Gstviissmebtiil Ptoiecdoa Ageaay, Risk Asesmunt ibram, Washingim. DC: EPWMiO-«9?Ol6.

CON Confirmation analysis.

8M_Soid_TaQJiIT Rct. 0 11/10/20(X

CITY_21MC1OO_OO2911668 NYC-WTC_000220090