Dioxin wipe analysis results, Oct 2001

NYC 9/11 Public Portal Document

KHrraQOE CORPORATION

Client Sample ID; D-6-11

Trace Level Organic Compounds

Lot-SaR5>le #...: 01^27.0136-008 Work Order #...: EMX2W1AA Matrix ; WIPE Date Sanpled... ; lO/26/Ol Date Received..: 10/27/01 Prep Date......; 10/27/01 Analysis Date..: 10/29/01 Prep Batch #...: 1300162 Dilution Factor: 1

DETECTION PARAMETER RESULT LIMIT UNITS METHOD 2,3,7,8-TCDD 20 P3 SW846 8290 Total TCDD 3500 P9 SW846 8290 1,2,3,7,8-PeCDD 110 PS SW846 8290 Total PeCDD 7300 PS SW846 8290 1,2,3,4,7,8-HxCDD 68 J PS SW846 8290 1,2,3,6,7,8-HxGDD 130 PS SW846 8290 1,2,3,7,8,9-HxCDD 120 PS SW846 8290 Total HxCDD 5000 PS SW846 8290 1,2,3,4.6,7,8-HpCDD 450 PS SW846 8290 Total HpCDD 1100 PS SW846 8290 OCDD 690 PS SW846 8290 2,3,7,8-TCDF 100 CON PS SW846 8290 Total TCDF 2500 PS SW846 8290 1,2,3.7,8-PeCDF ■ 190 PS SW846 8290 2.3,4,7,8-PeCDF 290 PS SW846 8290 Total PeCDF 3500 PS SW846 8290 1,2,3,4,7,8-HxCDF 200 PS SW846 8290 1.2,3,6.7,8-HxCDF 150 PS SW846 8290 2,3,4,6,7,8-HxCDF 150 PS SW846 8290 1,2,3,7,8,9-HxCDF ND 13 pg SW846 8290 Total HxCDF 1600 PS SW846 8290 1.2,3.4,6,7,8-HpCDF 450 PS SW846 8290 1,2,3,4,7,8,9-HpCDF 55 J PS SH846 8290 Total HpCDF 690 PS SW846 8290 OCDF 200 J PS SW846 8290

percent RECOVERY INTERNAL STANDARDS RECOVERY LIMITS 13G-2,3,7,8-TCDD 85 (40 - 135) 13C-1,2,3,7,8-PeCDD 90 (40 - 135) 13C-1,2,3,6,7,8-HxCDD 87 (40 -135) 13C-1,2,3,4,6,7,8-HpCDD 86 (40 - 135) 13C-OCDD 92 (40 - 135) 13C-2,3,7,8-TGDF 98 (40 - 135) 13C-1,2,3,7,8-PeCDF 99 (40 - 135) 13C-1,2,3,4,7,8-HxCDF 82 (40 - 135) 13C-1,2,3,4,6,7,8-HpCDF 81 (40-135)

NOTE(S) : J Esiimated result. Result is less than the reporting limit. CON Confirmation analysis.

G1J270136 STL - Sacramento (916) 373 - 5600 26 of 51

CITY_21 MC100_014596936

NYC-WTC_000177342