NYC-WTC_000232959

NYC 9/11 Public Portal Document

Summary of Residential Sampling Survey Form Results and Review of Photographs (Abbreviations and terms used in the table are defined on the last page in this table.)

Number of Event Broken Dust Visible Dust Visible Residence Cleaning Aggressive Level of Dust Number Location Windows Initially Currently Occupied Method Sampling in Photo Photo Comments

22 Outside 8 Y None Visible Sidewalk/entrance to building and roof courtyard look clean, but 22 Common 1 LI N C None Visible there is a pile of material to sample on roof; location is unknown.

22 Residence 1 0 Ml Y Y MS N None Visible 22 Residence 2 0 LI N Y C N None Visible 23 Outside 0 N None Visible 23 Common 0 SI N C None Visible 23 Residence 1 0 Ml Y Y O N None Visible 23 Residence 2 0 Ml N Y O N None Visible 24 Outside 0 N None Visible 24 Common 0 LI N MS None Visible 24 Residence 1 0 SI N Y O N None Visible 24 Residence 2 0 SI N Y C N None Visible 25 Outside 0 N None Visible 25 Common 0 Nl N MS None Visible 25 Residence 1 0 Nl N Y O N None Visible 25 Residence 2 0 SI N Y C N None Visible 26 Outside 0 N None Visible 26 Common 0 Nl N MS None Visible Floor area sampled contained some broken tiles. 26 Residence 1 0 Nl N Y O N None Visible 26 Residence 2 0 SI N Y O N None Visible 27 Outside 0 N None Visible 27 Common 0 Ml N MS None Visible 27 Residence 1 0 LI N Y C N None Visible O 27 Residence 2 0 SI N Y C N None Visible H 28 Outside 0 None Visible Bulk sample from 4-inch wide strip between two different tiled areas: 28 Common 0 LI Y C None Visible thick with granular/dusty/other material, not sure if any is WTO. S 28 Residence 1 3 LI N U C N None Visible o O 28 Residence 2 0 Ml N U C N None Visible O I 29 Outside 0 N None Visible Bulk sample from small pile at an inside corner of the building wall o

Cn 96 co co

NYC-WTC_000233064