NYC-WTC_000232959

NYC 9/11 Public Portal Document

Results From Air Samples Results From Dust Samples

Building Fibers in Air Asbestos in SVF in Air Asbestos in Asbestos in Dust SVF in Dust Number Sample Location PCM (f/cc) Air TEM (f/cc) SEM (f/cc) Dust PLM (%) TEM (%) PLM (%)

5 Outside co-located 0.003 Not Sampled Not Sampled Not Sampled 5 Common 0.002 Not Sampled Not Sampled Not Sampled 5 Residence 1 0.002 <1 <1 10 5 Residence 2 <.001 ND 20

6 Outside <.001 Not Sampled Not Sampled Not Sampled 6 Common <.001 ND 10 6 Res 2 co-located 0.002 Not Sampled Not Sampled Not Sampled 6 Residence 1 <.001 ND ND 15

6 Residence 2 <.001 ND ND 15

7 Outside <.001 ND 1.7 35 7 Common 0.001 ND ND 5 7 Residence 1 0.001 ND ND ND

7 Residence 2 <.001 ND ND 5 7 Window sill (R2) Not Sampled Not Sampled Not Sampled ND ND 40

8 Outside 0.001 Not Sampled Not Sampled Not Sampled 8 Common 0.002 ND ND ND

8 Residence 1 0.003 ND ND ND 8 Residence 2 0.002 ND ND ND

9 Outside <.001 Not Sampled Not Sampled Not Sampled 9 Common 0.001 ND ND 7

9 Common co-located 0.001 Not Sampled Not Sampled Not Sampled 9 Residence 1 0.001 ND 2 9 Residence 2 0.003 ND 5

10 Outside 0.001 ND ND ND

10 Common 0.002 ND 1.5 20 10 Common, TEM re-analysis <1 10 Residence 1 0.001 ND ND 15 10 Residence 2 0.001 ND ND 10

11 Outside <.001 Not Sampled Not Sampled Not Sampled

11 Common <.001 ND ND ND

11 Common co-located <.001 Not Sampled Not Sampled Not Sampled

11 Residence 1 <.001 ND <1 ND

11 Residence 2 <.001 ND 1.5 ND

12 Outside <.001 Not Sampled Not Sampled Not Sampled

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CITY_21MC100_011171538

NYC-WTC_000233069