NYC-WTC_000229647

NYC 9/11 Public Portal Document

! “

TBDie 3. Results of the Analysis for Polychlorinated DibenzodiOXinS

ano Polychlorinated Dibenzofurans in Dust Based on Dry Weight

Sample ID A06351 A06353 A06354 A06355 Location WTC WTC WTC WTC % Solids 94.4 53.8 89.6 95 Matrix Oust Dust Dust Dust

Analyte Result EMPC MDL Result EMPC MDL Result EMPC MDL Result EMPC MDL pg/g pg/g pg/g pg/g pg/g pg/g pg/g pg/g pg/g pg/g pg/g pg/g 2378-TCDD 5.18 0.44 2.68 0.75 1.44 0.44 3.41 0.43 w 12378-PeCDD 8.48 2.2 3.29 J 3.7 3.17 2.2 5.63 2.2 G 123478-HxCDD 6.14 ro 2.2 2.04 J 3.7 5.93 2.2 11 2.2 G 123678-HxCDD 16.5 2.2 6.95 3.7 5.4 2.2 11.1 2.2 M o 123789-HxCDD 11.9 2.2 4.62 3.7 U 2.2 9.57 2.2 H 1234678-HpCDD 354 2.2 188 3.7 67.5 2.2 232 2.2 H OCDD 3170 O 4.4 1890 7.5 299 4.4 2630 4.3 G 2378-TCDF 43.8 0.44 20.6 0.75 10.7 0.44 23.9 0.43 o 12378-PeCDF 41.8 H 2.2 15.6 3.7 11.2 2.2 25.5 2.2 M 23478-PeCDF 77.1 2.2 33.1 40.3 O o 3.7 22.4 2.2 2.2 H o 12347B-HxCDF 49.2 2.2 20.1 3.7 16.3 2,2 31.4 2.2 3 123678-HxCDF 46.8 2.2 U 18.1 3.7 17.9 2,2 32.5 2.2 M O 3 i M I 234678-HxCDF 123789-HxCDF 62.5 16.7 2.2 2.2 25.1 6.82 3.7 3.7 33.8 6.47 2,2 2,2 39 10.6 2.2 2.2 3 a H 1234678-HpCDF 165 2.2 66.1 3.7 66.6 2.2 108 2.2 H 1234789-HpCDF 38.2 2.2 15.6 3.7 14.7 2.2 23.4 2.2 z OCDF 238 4.4 113 7.5 81.5 4.4 168 4.3 o Total TCDDs 325 102 109 167 ro Total PeCDDs 189 64.2 66.7 135 w Total HxCDDs 224 79.2 72.4 156 Total HpCDDs 696 360 125 445

Total TCDFs 2190 910 656 1170 to Total PeCDFs 1110 o 451 392 693 o Total HxCDFs 579 233 241 373 co Q Total HpCDFs 356 154 136 232 H K Total Adjusted Cone I TEQ (ND=0) 84.4 So TEQ (ND=1/2) 84.4 35.0 35.2 26.3 26,3 51 51 o TEQ(EMPC.ND=0) 84.4 36.8 26.3 51 o TEQ(EMPC,ND=1/2) 84.4 36.8 51 I 26.3 o I. ____ o co I EMPC denotes Estimated Maximum Possible Concentration Ui Ui cn

NYC-WTC_000229647