Chain of Custody Form Instructions for WTC Building Sampling

2 2 O 5S o o o ■0 —X c Ji. CT CD C3) o' Summary of Residential Sampling Survey Form Results and Review of Photographs ■a Abbreviations and tenns used in the table are defined on the last page in this table.) o 3. Number of Event Broken Dust Visible Dust Visible Residence Cleaning Aggressive Level of Dust o o Number Location Windows Initially Currently Occupied Method Sampling In Photo Photo Commente o c 22 Outside 8 Y None Visible Sidewalk/entrance to building and roof courtyard look clean, but 3 CD Zi 22 Common 1 U 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 p_ 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 U N Y C N None Visible 27 Residence 2 0 SI N Y C N None Visible 28 Outside 0 None Visible Bulk sample from 4-inch wide strip between two different filed areas; 28 Common 0 LI Y C None Visible thick with granuiar/dusty/other material, not sure if any is WTC. 28 Residence 1 3 LI N U C N None Visible 28 Residence 2 0 Ml N U C N None Visible Bulk sample from small pile al an inside comer of the building wall I 29 Outside 0 N None Visible

96