NYC-WTC_000220169

NYC 9/11 Public Portal Document

JUN-11-2002 IS-. 59 DEUTSCHE BAtIK 212 469 3210 P.20

AMBIENT GROUP Dioalns/Furans, HRGC/HRMS (8290) CUent Sample ED; 211909-17D-P

Lot-Sample W...; G2D240206 - 001 Work Order E0C521AC Matrix_ : SOLD? Date Sampled...: 04/23/02 Date Received .: 04/24/02 Inatrument: 5D5 Prep Date...... 04/25/02 Analysla Date-: 04/29/02 Units-,.! Pg/« Prep Batch#...: 2115451 Dilution Factor: 1 % Moisture:

DETECTION TEE TEQ LIMIT FACTOR CONCENTRATION PARAMETER RESULT

23,7,8-TCDD 290 1.000 290.000000 1,2,3,7,8-PeCDD 1300 0.300 650.000000 l,23,4,7,8-HxCI>I> 1800 0.100 180.000000 l,23,6,7,8-HiCI)D 3500 0.100 350.000000 133,73,9-HxCDD 2700 0,100 270.000000 1,23,4,6,7,8-HpCDD 19000 0,010 190.000000 OCDD 44000 0,001 44.000000 23.7.8-TCDF 1700 CON 0.100 170.000000 1,23,7,8-PeCDF 2800 0.050 140.000000 2,3,4,7,8-PeCDF 5200 0.500 2,600.000000 U,3,4,7,8-UxCDF 4500 0.100 450,000000 1,2.3,6.7,8-HxCDF 4900 0.100 490.000000 2,3,4,6,7.8-HxCDF 7000 0.100 700,000000 1,2,3,7,8,9-HxCDF 420 0.100 42.000000 1,23,4,6,7,8-HpCDF 22000 0.010 220,000000 13,3,4.7,8,9-HpCDr 3000 0.010 30.000000 OCDF 15000 0.001 ISOOOOOO Total TEQ Concentration 6,831.000000 PERCENT RECOVERY IbrrERNAL STANDARDS RECOVERY LIMTS

13C.2,3.7.8-TCDD 80 40-135 1301,2,3,7,8-PeCDD 99 40-135 13C-I,2,3,6,7,8-HxCDD 80 40-135 130-1,2,3,4,6,7.8-HpCDD 78 40-135 13C-OCDD 80 40-135 13C-2,3,7.8-TCDF 67 40- 135 13C-1.2,3,7.8-PcCDF 82 40- 135 130-1,2,3,4,7,8-HxCDF 73 40-135 130-1,23,4,6,7,8-HpCDF 71 40-135

Notes:

TCF value, B,c died io U4. EnvinininaoiaJ Proteeikin Agency, (1989) Interim procediirce for ertinutiog risks astodaud with exposures to mixtures of chloilnaled dlbenm-p-dioxins und -dlbcnaoRnans (CDDs and COFs)and 1989 update. U.S. Eavironmental Prouetion Agenay, Risk Assessment fonun, Wosliington, DC; 6Ra/623/3-S9A)16.

CON Confirmation analysis.

Sic.SWiJ.TEq.Rr’' 0 •1VI0/2001

CITY_21MC100_002832733

NYC-WTC_000220169