NYC-WTC_000196310

NYC 9/11 Public Portal Document

Table 3. Results of the Analysis for Polychlorinated Oibenzodioxins and Polychlorinated Oibenzofurans In Dust Based on Dry Weight

Sample ID A0635^ A0e353 A063S4 A06355 Location WTC WTC WTC WTC % Solids 94.4 53.8 89.6 95 Matrix Dust Oust Dust Dust

Analyte Result EMPC MDL Result EMPC MDL Result EMPC MOL 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 12378-PeCDD 8.48 22 3.29 J 3.7 3.17 2.2 5.63 2.2 123478-HxCDD 6.14 22 2.04 J 3.7 5.93 2.2 11 2.2 123678-HxCDD 16.5 2.2 6.95 3.7 5.4 2.2 11.1 2.2 123789-HxCDD 11.9 2.2 4.62 3.7 U 2.2 9.57 2.2 1234678-HpCDD 354 2.2 188 3.7 67.5 2.2 232 2.2 OCDD 3170 4.4 1890 7.5 299 4.4 2630 4.3

2378-TCDF 43.8 0.44 20.6 0.75 10.7 0.44 23.9 0.43 12378-PeCDF 41,8 2.2 15.6 3.7 112 2.2 25.5 2.2 23478-PeCDF 77.1 2.2 33.1 3.7 22.4 2.2 40.3 2.2 123478-HxCDF 49.2 2.2 20.1 3.7 16.3 2.2 31.4 2.2 123678-HxCDF 46.8 2.2 U 18.1 3.7 17.9 2.2 32.5 2.2 23467e-HxCDF 62.5 22 25.1 3.7 33.8 2.2 39 2.2 123769-HxCDF 16.7 2.2 6.82 3.7 6.47 2.2 10.6 2.2 1234678-HpCDF 165 2.2 66.1 3.7 66.6 2.2 108 2.2 1234789-HpCDF 38.2 2.2 15.6 3,7 14.7 2,2 23,4 2.2 OCDF 238 4.4 113 7.5 81.5 4.4 168 4.3

Total TCDDs 325 102 109 167 Total PeCDDs 189 64.2 66.7 135 Total HxCDDs 224 79.2 72.4 156 Total HpCDDs 696 360 125 445

Total TCDFs 2190 910 656 1170 Total PeCDFs 1110 451 392 693 Total HxCDFs 579 233 241 373 Total HpCDFs 356 154 136 232 n Total Adjusted Cone H K I TEQ (ND=0) 84.4 35.0 26.3 51 to (—1 TEQ (ND=1/2) 84.4 35.2 26.3 51 S TEQ(EMPC,NO=0) 64.4 36.8 26.3 51 O TEQ(EfcS»C,ND=1/2) 84.4 36.8 26.3 51 o o I o o EMPC denotes Estimated Maximum Possible Concentration co o co co co co

NYC-WTC_000196310