NYC-WTC_000220055

NYC 9/11 Public Portal Document

JUN-11-2002 19 = 00 DEUTSCHE BANK 212 469 3210 P.21

AMBIENT GROUP DtoxliiAZFuraiis, HRGCZHBMS (8290) Client Sample ID: 211909^50

Lot-Sample S_; Q2D2301S4 - 009 Work Order BX9721AC Mah-lt--: SOLID Date Sampled-.: 04/22/02 Dale Rseeived.i 04/23/02 InMrumenl: 7D5 Prep Date__ : 04/25/02 Attelysli Vale-: ■ 04/29/02 Uniti—: P8/8 Prep Batch 2115447 DilutJoB Faclor: 1 % Moisture:

DETECTION TEF TEQ UMIT FACTOR CONCENTRATION parameter RESULT

2,3,7.8-TCDD S7 1,000 57.000000 1,23,7,8-PeCDl) 120 0.500 60.000000 1,233.7,8-HxCDD 100 0.100 10.000000 1.23,6,7,8-HxCDD 1(0 0.100 16.000000 1,2,3,7,8,9-HiCDD 140 0.100 14.000000 lA3,4,6.7.8.HpCDD 1100 O.Olp 11.000000 OCDD 4200 0.001 4.200000 23,7,8-TCDF 320 CON 0.100 32.000000 13,3,73-PcCDF 270 0.050 14.000000 23,4.7,8-PeCDF 370 0.500 180.000000 U3,4,7,8-HxCDF 270 0.100 27.000000 133,6,73-HxCDF 230 0.100 25.000000 233,6.7.8-HxCDF 240 0.100 24X00000 1,23,7,8,9-HxCDF 22 0.100 2.200000 133.4,6,7,8-HpCDF 880 JA 0.010 8.800000 133.4,7,8,9-HpCDF 120 0.010 12200000 OCDF 510 0.001 0.510000 Toul TEQ ConantratiOB 486.910000 PERCENT RECOVERY INTIERNAL STANDARDS RECOVERY LIMITS

13C-2.3.7,8-TCDD 76 40 -135 13C-133,7,8-PtsCDD 68 40-135 130-1,2,3,6.7,8-HxCDD 76 40 -135 13C-13,3.4,(,7,8-HpCDD 70 40-135 13C-OCDD 80 40-135 13C-2,3.7,8-TCDF 68 40 - 135 13C.13.3,7,8-PeCDF 67 40 - 135 130-1,2.3,4,7,a-HxCDF 72 40 - 135 13C-l,2,3,4,6,7,8-HpCDF 71 40-135

NoIm: TEF values tie cited in US. Environmental Pratcction Acency. (1989) tocrim froceduns (be estlntsUng itskt assccLoed »1ih expoturai lo miituni ofchlinirattd dlbenzo-p-dloxlBs ud ^Uhentattoni (CDDs and COTt) tad 1969 iqidtte, US. Envlrorantmtal Protecdon Agency, Risk Asnstnent Reum, WUhinjtoo, DC; EPA/S2S/3-S9A)IS.

CON Confirmation analysis.

JA The analyte was positively identified, but tbe quantitation is an estimate.

S«_SI«a.TBQ.RPT B«.O II/IOZIOOI

CITY_21MC100_002911412

NYC-WTC_000220055