NYC-WTC_000220031

NYC 9/11 Public Portal Document

AMBIENT GROUP Dioxins/Furans, HRGC/HRMS (8290) Client Sample ID: 211909-12D

Lot-Sample G2D190191-012 Work Order #...: EX6VP1AA Matrix™: SOLID Date Sampled...: 04/18/02 Date Received.: 04/19/02 Instrument: 5D5 Prep Date.™: 04/19/02 Analysis Date..: 04/24/02 Units.™; PS/g Prep Batch #.m: 2109509 Dilution Factor: 1 % Moisture:

DETECTION TEF TEQ LIMIT FACTOR CONCENTRATION PARAMETER RESULT

23,7,8-TCDD 1100 1.000 1,100.000000 1,23,7,8-PeCDD 4000 0.500 2,000.000000 1,23,4,7,8-HxCDD 3100 0.100 310.000000 1,23,6,7,8-HxCDD 5000 0.100 500.000000 1,23,7,8,9-HxCDD 4800 0.100 480.000000 ; '' 1,23,4,6,7,8-HpCD»' 27000 ' 0.010 270.000000 OCDD 52000 o.ooi 52.000000 23,7,8-TCDF 5600 CON 0.100 560.000000 1,23,7,8-PeCDF 6900 0.050 340.000000 23,4,7,8-PeCDF 8900 , 0.500 4,400.000000 ' 133.4,7,8-HxCDF 11000 0.100 1,100.000000 1,23,6,7,8-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 84.000000 1,2,3,4,6,7,8-HpCDF 38000 0.010 380.000000 1,23,4,7,8,9-HpCDF 4400 0.010 44.000000 OCDF 20000 0.001 20.000000 Total TEQ Concentration 13,480.000000 PERCENT RECOVERY INTERNAL STANDARDS RECOVERY LIMITS

13C-2,3,7,8-TCDD 57 40 - 135 13C-l,2.3,7.8-PeCDD 55 40 - 135 13C-l,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 T3C-l,2.3,4,7,8-HxCDF 52 40-135 13C-l,2,3,4,6,7,8-HpCDF 63 40-135

Notes: TEF values ore cited in U S. Environmental Protection Agency. (1989) Ink.:.-,.... jceouii,; esiittMlinj nslcj associated with exposures to mixtures of chlonnatcd dibenzo-p-dioxlns and ^.ibenzoflirans (CDDs and CDFs) and 1989 update U.S. Envl.cnmentai Protection Agency, Risk Assessment forum, Washington, DC: EPA/625Z3-89A)16

CON Confirmation analysis

Ssc_Slnd_TEl3,m Rev.o 11/10/2001

CITY_21MC1OO_OO2831217

NYC-WTC_000220035