NYC-WTC_000205161

NYC 9/11 Public Portal Document

AMBIENT GROUP Dioxins/Furans, HRGCZHRMS (8290) Client Sample ID: 211909-10D

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 Analysis Date..; 04/24/02 Units....; Pg/g Prep Batch#..; 2109509 Dilution Factor: 1 % Moisture:

DETECTION TEF TEQ LIMIT FACTOR CONCENTFAnON PARAMETER RESULT

23,7,8-TCDD 840 1.000 840.000000 1,23,7,8-PeCDD 2200 0.500 1,100.000000 1,23,4,7,8-HxCDD 2000 0.100 200.000000 1,23,6,7,8-HxCDD 4200 0.100 420.000000 1,23,7,8,9-HxCDD 2600 0.100 260.000000 1,233,6,7,8-HpCDD 30000 0.010 300.000000 OCDD 72000 0.001 72.000000 23,7,8-TCDF 4600 CON 0.100 460.000000 133,7,8-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 1,23,6,7,8-HxCDF 8200 0.100 820.000000 23,4,6,7,8-HxCDF 10000 0.100 1,000.000000 1,23,7,8,9-HxCDF 510 0.100 51.000000 1,23,4,6,7,8-HpCDF 55000 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-l,2.3,6,7,8-HxCDD 58 40 -135 13C-l,2.3,4,6,7,8-HpCDD 60 40 -135 13C-OCDD 61 40 -135 13C-2,3.7,8.TCDF 42 40-135 13C-I,2,3,7,8-PeCDF 54 40-135 13C-l,2,3,4,7,8-HxCDF 48 40-135 13C-l,2,3,4,6,7,8-HpCDF 58 40-135

Notes: TCT values ae cited in U.S. Environmental Protection Agency, (1989) Interim procedures for estimating risks associated with exposures to mixtures of chlorinated CW”) *** “Pdate- US. Environmental Protection Agency. Risk Assessment forum, Washington, DC;

CON Confirmation analysis.

SK_S<n(i_TEQ.RJT R«,0 11/10/2001

CITY_21MC100_003260144

NYC-WTC_000205162