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NYC-WTC_000220089

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000220089–000220097
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NYC 9/11 Public Portal Document JUN-11-2002 10:59 DEUTSCHE BANK 212 460 3210 P.20

AMBIENT GROUT Dioxins/Furfliu, HRGC/HRMS (8290) CUent Sample ID; 211909-17D-P

Lot-Sample fl...; G2D240206 - 001 Work Order fl-; E0C521AC Matrix™; SOLED Dale Sampled...-. 04/23/02 Date Received..; 04/24/02 Initnunent: 5D5 Prep Date.... 04/25/02 Ana!;-Date-: 04/29/02 Units—I Pg/g Prep Batch 2115451 Dilution Factor: 1 % Moisture:

DETECTION TEF TEQ LIMIT FACTOR. CONCENTRATION PARAMETER RESULT

23.7,8-Ta)D 290 1.000 290.000000 1,2,3,7,8-PeCDD 1300 0.500 650.000000 1,23,4,7,8-HxCDD 1800 0.100 180.000000 1,23,6,7,8-HiCDD 3500 0.100 350.000000 133,73,9-HxODD 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 133.4.7,8-HxCDF 4500 0.100 450.000000 1,2,3,6.7.8-HxCDF 4900 0.100 490.000000 23,4,6,7.8-HxCDF 7000 0.100 700.000000 1,2,3,7,8,9-HkCDF 420 0.100 42.000000 1,23,4,6,7,8-HpCDF 22000 0.010 220.000000 133,4,7,8,9-HpCDF 3000 0.010 30.000000 OCDF 15000 0.001 15.000000 Tomi TEQ Concentration 6,831.000000 PERCENT RECOVERY INTERIMAL STANDARDS RECOVERY LIMnS

13C-2,3,7.8-TCDD 80 40- 135 13C-l,2,3.7,8-PeCDD 99 40-135 130-1,2,3,6,7,8-HxCDD 80 40-135 13C-l,23,4,6,7,8-HpCDD 78 40 - 135 13C-OCDD 80 40 -135 13C-2,3.7.8.TCDF 67 40- 135 13C-I,2,3,7,8-PcCDF 82 40 -135 13C-l,2,3,4,7,8-HxCDF 73 40 • 135 13C-l,2,3,4,6,7,8-HpCDF 71 40-135

Notes:

TEF values ate died In UX EnvironmeBlalPretecijon Agency. (198S) Interim ptoeeduret for ectiiaating risks osaodaiod ndlb expoaurea Io mixtures of ehlorlnaltd dlbcn2e,-p.diaxir« and -dlbenaofonns (CDDs and CDFa) and 1919 updale. UX Cavirnnmaual Praumios Agency. Ride Aeaecunent forum. Washlogani, DC; £PA/623/M9«)I6.

CON Confirmation analysis.

Slc.SlndJTBQJtrT Rev. 0 •n/lQZ200(

CITY_21MC100_002911669

NYC-WTC_000220091

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NYC-WTC_000220091Source: NYC Law Department, mirrored locally

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