NYC-WTC_000220031

NYC 9/11 Public Portal Document

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

Lot-Sample #...: G2D190191 - Oil Work Order#...: EX6VN1AA 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,™: Pg/g Prep Batch 2109509 Dilution Factor: 1 % Moisture:

DETECTION TEF TEQ LIMIT FACTOR CONCENTRATION PARAMETER RESULT

23,7,8-TCDD 530 I.OM 530.000000 1,23,7,8-PeCDD 1500 0.500 750.000000 1,23,4,7,8-HxCDD 1100 0.100 110.000000 , . .,1,23,6,7,8-HxCDD 2600 0.100 260.000000 ' 1,2,3,7,8,9-HxCDD , 1800 ’ 0.100 ' 180.000000 1,2,3,4,6,7,8-HpCDD 18000 0.010 180.000000 OCDD 56000 E 0.001 56.000000 , . 23,7,8-TCDF 3700 CON 0.100 370.000000 1,2,3,7,8-PeCDF 4000 ' 0.050 200.000000 23,4,7,8-PeCDF 6100 0.500 3,000.000000 1,2,3,4,7,8-HxCDF 6900 0.100 690.000000 1,23,6,7,8-HxCDF 5400 0.100 540.000000 23,4,6.7,8-HiCDF 5900 0.100 590.000000 1,23,7,8,9.HxCDF 430 0.100 43.000000 1,23,4,6,7,8-HpCDF 32000 E 0.010 320.000000 133,4,7,8,9-HpCDF 4000 0.010 40.000000 OCDF 26000 0.001 26.000000 Total TEQ Concentration 7^85.000000 PERCENT RECOVERY INTERNAL STANDARDS RECOVERY LIMITS

13C-2,3,7,8-TCDD 68 40 - 135 13C-l,2,3,7,8-PeCDD 68 40 -135 13C-l,2,3.6,7,8-HxCDD 59 40-135 130-1,2,3,4,6,7,8-HpCDD 62 40-135 13C-OCDD 65 40-135 13C-2,3,7,8-TCDF 59 40 -135 ■-13C-l,2.3.7,8-PeCDF 68 ■40 -135 13C-l,2,3,4,7,8-HxCDF 58 40 - 135 130-1,2,3,4,6,7,8-HpCDF 60 40 -135

Notes:

lEr values are cited in U.S. Envlronmentol Protection Agency, (1989) Intenm procedures for esu'mau'ng risks associated with exposures to mixtures ot chlorinated uibetaa.p-dioxins and -dibenzofurans (CDDs and CDFs) and 1989 upiitc U S Environmental Protection Agency, Risk Assessment forum, Washington, DC,

CON Confinnation analysis.

E Estimated result. Result concentration exceeds the calibration range.

S»c_Sti«l_TEQ.RPT Rev.O ll/10Z200(

CITY_21MC1OO_OO2831216

NYC-WTC_000220034