NYC-WTC_000220031

NYC 9/11 Public Portal Document

AMBIENT GROUP Dioxins/Furans, HRGC/HRMS (8290) CUent Sample ID: 211909-100

Lot-Sample G2D190191-010 Work Order#-.: EX6VM1AA Matrix—: SOLID Date Sampled—: 04/18/02 Date Received-: 04/19/02 Instrument: 5D5 Prep Date..—: 04/19/02 Analysts Date..; 04/24/02 Units—.: Pg/g Prep Batch#-: 2109509 Dilution Factor: 1 % Moisture;

DETECTION TEF TEQ UMIT FACTOR CONCENTRATION PARAMETER RESULT

2,3,7,8-TCDD 840 1.000 840.000000 1,2,3,7,8-PeCDD 2200 0.500 1,100.000000 1,2,3,4,7,8-HxCDD 2000 0.100 200.000000 1,2,3,6,7,8-HxCDD 4200 0.100 420.000000 1,23,7,8,9-IlxCDD 2600 0.100 260.000000 1,23,4,6,7,8-HpCDD 30000 ‘ 0.010 300.000000 OCDD , '' 72000 o:ooi ■ 72.000000 23,7,8-TCDF 4600 CON 0.100 460.000000 1,23,7,8-PeCDF S300 0.050 260.000000 23,4,7,8-PeCDF 6400 0.500 3,200.000000 1,23,4,7,8-HxCDF 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 1,23,7,8,9-fttCDF 510 0.100 51.000000 1,23,4,6,7,8-HpCDF SSOOO 0.010 550.000000 1,23,4,7,8,9-HpCDF 5200 0.010 52.000000 OCDF 45000 0.001 45.000000 Total TEQ Concentration 10,930.000000 PERCENT RECOVERY INTERNAL STANDARDS RECOVERY LIMITS

13C-2.3.7,8.TCDD 54 40-135 13C-l,2,3,7.8-PeCDD 53 40-135 13C-1.2,3,6,7,8-HxCDD 58 40 - 135 13C-l,2,3,4,6,7,8-HpCDD 60 40-135 I3C-OCDD 61 40 -135 13C-2,3,7,8-TCDF 42 40-135 13C-1,2,3,7,8-P6CDF 54 40-135 13C-l,2,3,4,7,8-HxCDF 48 40-135 130-1,2,3,4,6,7,8-HpCDF 58 40-135

Notes: TEF values arecitedin U.S. Environmental Protecnon Agency, (1989) Interim procedures for estimating nsks associated with exposures to mixtures of chlorinated diteiM-^mxins and -dibenzofurans (CDDs and CDFs) and 1989 update. U S Environmental Protection Agency. Rist Assessment forum, Washington, DC;

CON Confirmation analysis.

Slc_Sm<l_TEQ RPT Rev. 0 11/10/2001

CITY_21MC100_002831215

NYC-WTC_000220033