NYC-WTC_000220055

NYC 9/11 Public Portal Document

JUN-11-2002 18=59 DEUTSCHE BANK 212 469 3210 P.20

AMBIENT GROUT Dioxins/Furans, HRGC/HRMS (8290) CUent Sample ED: 211909-17O-P

Lot-Sample G2D240206 - 001 Work Order E0CS21AC Matrix...: SOLED Date Sampled...: 04/23/02 Date Received..: 04/24/02 iDatnuncct: 5D5 Prtp Date.... 04/25/02 AJialysls Date.: 04/29/02 Units—I Pg/g Prep Batch A...: 2115451 Dilution Factor: 1 % Moisture:

DETECTION TEF TEQ LIMIT FACTOR CONCENTRATION PARAMETER RESULT

23.7,8-TCD» 290 1.000 290.000000 l,2,3,7,8-PeC:DD 1300 0.500 650.000000 1,23,4,7,8-H>:CDD 1800 0.100 180.000000 1,23,6,7,8-HjCDD 3500 O.lOO 350.000000 1,2,3,7,8,9-HiCDD 2700 0.100 270.000000 1,23,4,6,7,8-HpCDD 19000 0.010 190.000000 OCDD 44000 0.001 44.000000 2,3,7,8-TCDF 1700 CON 0.100 170.000000 1,23,7.8-PeCDF 2800 0.050 140,000000 2,3,4,7,8-PeCOF 5200 0.500 2,600:000000 iaj,4,7,6-HxCDF 4500 0.100 450.000000 1.2.3,6.7.8-HxCDF 4900 0.100 490.000000 2,3,4,6,7.8-Hbi;CDF 7000 0.100 700,000000 1,2,3,7,8,9-Hjr.CDF 420 0.100 42.000000 1,23,4,6,7,8-HpCDF 22000 0.010 220.000000 l,2,3,4.7.84>-HpCDF 3000 0.010 30.000000 OCDF 15000 0.001 15.000000 Tout TEQ Concentration 6,831.000000 PERCENT RECOVERY INTERNAL STANDARDS RECOVERY LIMITS

13C-2,3.7.8-TCDD 80 40- 135 130-1,2,3.7,8-PeCDD 99 40 - 135 13C-l,2,3.6,7,8-HxCDD 80 40-135 13C-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-l,2,3,7,8-PcCDF 82 40-135 1301,2,3,4,7,8-HxCDF 73 40-135 13C.l,23,4,6,7,8-HpCDF 71 40-135

Note*:

TEF values sii cinet in U.S. Cnvironmtiilal Prolectjon Agency. (1989) Inlerim procedures for esiinuring riels ossoclaiod svilh en^uTM lo inixliires of chloTiaalcd dibcnie.p.<1toetnr and -dlbeiuoAnns (CODs and CDPi) and 1919 updale. U-S. Esvirounanlal PreteeijoB Agency, Wik Acsessinent forum, Wnahlngton, DC; £PA/623/3.89X)16.

CON Confirmation analysis.

Sie.Sl»d.TEQ.RrT Rev. 0 •) 1/10/2001

CITY_21MC100_002911414

NYC-WTC_000220057