NYC-WTC_000205161

NYC 9/11 Public Portal Document

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

Lot-Sample #•••: G2D190191-012 Work Order#...: EX6VP1AA Matrix....: SOLID Date Sampled...: 04/18/02 DateReceivedwt 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

24,7,8-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 1,24,4,6,7,8-HpCDD 27000 0.010 270.000000 QCDD 52000 0.001 52.000000 23,7,8-TCDF 5600 CON 0.100 560.000000 143,7,8-PeCDF 6900 0.050 340.000000 2,3,4,7,8-PeCDF 8900 0.500 4,400.000000 143,4,7,8-HxCDF 11000 0.100 1400.000000 14,3,6,7,8-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 1,24,4,7,8,9-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-14,3.7,8-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 13C-l,2,3,4,7,8-HxCDP 52 40 -135 13C-l,2,3,4,6,7,8-HpCDF 63 40 -135

Notes: TEF values OTeitedinttS. Environmental Proleoaon Agency. (1989) Inte.ia esitoaSiag risks associated with exposures to mixtures ofchlorinated (CDDs and CDFs) and 1989 update. U.S. EnviMmentai Protection Agency, Risk Assessment forum, Washington, DC; ErA/o25/3-89/016.

CON Confirmation analysis.

Sac_SlD(l_TEQ,Rt>T Rev.O ll/l0/200t

CITy_21MC100_003260146

NYC-WTC_000205164