Dioxin soil analysis results, Oct 2001

NYC 9/11 Public Portal Document

LABORATORY CONTROL SAmfLis DATA REPORT

Trace Level Organic Compounds

Work Order ft: EMWDKIAC Matrix SOLID Client Lot #...: G1J260165 LCS Lot-Satt^le#: G1J260000-419 Prep Date : 10/26/01 Analysis Date: 10/28/01 Prep Batch 1299419 Dilution Factor: 1

SPIKE MEASURED PERCENT AMOUNT AMOUNT UNITS RECOVERY METHOD PARAMETER___________ 20.0 17.3 P9/3 87 SW846 8290 2,3,7.,8-TCDD 100 86.3 P3/3 86 SH846 8290 l,2,3.7,a-PeCDD 105 P3/3 105 SW846 8290 1,2,3,4,7,8-HxCDD 100 91.6 P3/3 92 SW346 8290 l,2,3,6,7,8-Exa>D 100 99.5 P3/3 100 SW846 8290 1.2,3,7,B,9-HxCDD 100 88.7 pg/9 89 SW846 8290 1.2,3,4,6,7.8-HpCDD 100 200 187 pg/s 93 SW846 8290 OCDD 18.3 pg/s 91 SW846 8290 2,3,7,8-TCDF 20.0 88.6 P9/S 89 SW846 8290 1.2.3,7,8-PeCDF 100 87.4 pg/s 87 SW846 8290 2,3,4,7,8-PeCDF 100 86.4 pg/g 86 SW846 8290 1,2,3,4,7,8-HxCDF 100 88.9 pg/g 89 Sn846 8290 1,2,3,6,7.8-HxCDF 100 95.2 pg/g 95 SW846 8290 2,3,4,6,7,8-HxCDF 100 90.9 pg/g 91 SW846 8290 1,2,3,7.8,9-HxCDF 100 85.2 pg/g 85 SW846 8290 1.2,3,4,G,7,8-HpCDF 100 88.0 pg/g 88 SW846 8290 1,2,3,4,7,8,9-HpCDF 100 185 pg/g 93 SWS46 8290 OCDF 200

PERCENT RECOVERY INTERNAL STANDARD______ RECOVERY LIMITS 13C-2,3,7,8-TCDD 82 (40 - 135) 13C-l,2,3,7,8-PeCDD 84 (40 - 135) 13G-1,2,3,6,7,8-HxCDD 76 (40 - 135) 13C-1,2,3,4,6,7,8-HpCDD 96 (40 - 135) 13C-OGDD 95 (40 - 135) 13C-2,3,7,8-TCDF 84 (40 - 135) 13C-1,2,3,7,8-PeCDF 82 (40 - 135) 13C-1,2,3,4,7,8-HxCDF 84 (40 - 135) 13C-l,2,3,4,6,7,8-HpCDF 97 (40 - 135)

NOTE (S) : ___________________________________ Calculaiions are performed before rounding w avoid round.off enors in calcuiated results. Bold print denotes control parameters

12 of 36 G1J260165 STL - Sacramento (916) 373 - 5600

CITY_21 MCI 00_014596835 NYC-WTC_000177331