NYC-WTC_000209384

NYC 9/11 Public Portal Document

AMBIENT GROUP Dioxins/Furans, HRGC/HRMS (8290) Client Sample ID: 211909-35D

Lot-Sample#-: G2D23O154-009 Work Order#-.: BX9721AC Matrix-..; SOLID Date Sampled-: 04/22/02 Date Received..: 04/23/02 Instrument; 7D5 Prep Date,,,-.: 04/25/02 Amlyshi Dite..; 04/29/02 Unita-..: P«/8 Prep Batch 2115447 Dilution Factor; 1 % Moisture;

DETECTION TEF TEQ LIMIT FACTOR CONCENTRATION PARAMETER RESULT

2,3,7.8-TCDD 57 1.000 57.000000 1,23,7,8-PeCDD 120 0.500 60.000000 1,23,4,7,8-IIxCDD 100 0.100 10.000000 1,23,6,7,8-HxCDD 160 0.100 16.000000 1,2,3,7,8,9-HxCDD 140 0.100 14.000000 1,23^,6,7,8-HpCDD 1100 0.010 11.000000 OCDD 4200 0.001 4JO0O00 23,7,8-TCDF 320 CON 0.100 32.000000 1,2,3,7,S-PeCDF 270 0.050 14.000000 23,4,7,8-PeCDF 370 0.500 1804)00000 133.4,73-HxCDF 270 0.100 27.000000 1,23,6,7,8-HxCDF 250 0.100 25.000000 23,4,6,7,8-HxCDF 240 0.100 24.000000 1,23,7,8,9-HxCDF 22 0.100 2.200000 1,23,4,6,7,8-HpCDF 880 JA 0.010 8.800000 1,23,4,7,8,9-HpCDF 120 0.010 1.200000 OCDF 510 0.001 0.510000 Total TI'.Q Concentration 486.910000 PERCENT RECOVERY INTERMAL STANDARDS RECOVERY LIMITS

13C-2,3,7.8-TCDD 76 40-135 13C-l,23.7,8-PeCDD 68 40-135 13C-l,2,3,6.7,8-HxCDD 76 40-135 13C-13,3.4,6,7,8-1^CDD 70 40-135 13C-O<3DD 80 40-135 13C-2,3,7,8-TCDF 68 40 -135 13C-1.23,7,8-PeCDF 67 40-135 13C-1,23,4,7,8-HxCDF 72 40-135 130-1,2,3,4,6,7,8-HpCDF 71 40-135

Notes;

TEF valiet ire cited In US. Eevironmentil Protection Agency. (1989) Interim ptoceduret for ettimating riiks atweiated with expojurei to mixturet ofcMctinated EFA^ **** Eavbunmeattl Protection Agency, Risk Asaestment forum, WashingUm, DC;

CON Confirmation analysis.

JA The analyte was positively identified, but the quantitation is an estimate.

S«!.Sted.Ta},WfT Rw.O ii/ioaoo<

CITY_DEP_WORBY_CANNATA_SUBP_000019692

NYC-WTC_000209384