NYC-WTC_000220171

NYC 9/11 Public Portal Document

JUN-11-2002 10:58 DEUTSCHE BANK 212 469 3210 P.14

AMBIENT GROUP DIoxliu/Furaiu, HRGC/HRMS (9290) Client Sample ID: 211909-03D

LoPSamplc G2D190191 -003 Work Order «L.: EX6VB1AA Matrbi.-: SOLID Date Sampled-; 04/18/02 Dale Received.: 04/19/02 Instrument.- 5D5 Prep Date..... ; • 04/19/02 Analysis Dale-.! 04/24/02 Units__ : Pg/fi Prep Balch H.-t 2109509 Dilution Factor. 1 % Moisture!

DETECTION TBF TEQ UMTT FACTOR CONCENTRATION PARAMETER RESULT

23,7,8-TCDD 570 LOOO 570.000000 U3,7,8-P€CDD 1700 0.SO0 S50.O0OO0O l,2rJ,4,7,8-HxCDD 1500 0.100 150.000000 14rJ.6,7,8-HxCDD 2900 0.100 290.000000 1^3,7,83-HxCDD 2700 0.100 270.000000 1.23,4,6,7,8-HpCDD 19000 0.010 190.000000 OCDD 46000 0.001 46.000000 2;j.7,8-TCDF 3100 CON 0,100 310.000000 1,23,7,8-PeCDF 4300 0.050 220.000000 23,4,7,8-PcCDF 6500 0,500 3J00.000000 133,4,7,8-HiCDF 6200 0.100 620.000000 133,6,7,8-HxCDF 6500 0.100 650.000000 2,3,4,6,7,8-lfaCDF 7000 0.100 700.000000 1,23,7,8,9-BbtCDP 500 0.100 50.000000 1,23,4,6,7,8-HpCDF 35000 0.010 350.000000 133,4,7,8,9-HpCDF 4100 0.010 414)00000 OCDF 25000 0.001 25.000000 Total TEQ Concentration 8332.000000 PERCENT RECOVERY INTERNAL STANDARDS RECOVERY LIMITS

13C-2.3,7,8-TCDD 65 40- 135 13C-1.2,3.7,8-PeCDD 58 40- 135 13C-1.2,3,6,7.8-HxCDD 55 40-135 13C-1.2.3.4,6,7.8-HpCDD 73 40 - 135 130OCDD 92 40.. 135 13C-23,7,8-TCDF 80 40 - 135 13C.l,2,3.7,8.PcCDF 69 40-135 13C-1.23,4,7,8-HxCDF 65 40 - 135 13C-L23,4,6,7,8-HpCDF 77 40 -135

Not**; ■niF value! died la U.S. Environmental Proration Agency, (US?) Inierin procedurM fix ndnaailg ritii aaecctiJed with expcauiei to mixture! of chlerlnetod dibenMe^dloxiM and -dibeniolhnuo (COD! ud OP,) and 1989 updaCB. 03. Envlronmextal Protection Aeeaey, Risk AsKumeoI fortm. Weshiagion. DC; BPA/S23/3-89/016.

CON ConfirmflTlon analysis.

S*c.Svul_TBQ.RKr B«».O 1V10Z20CH

CITY_21MC1OO_OO2832735

NYC-WTC_000220171