Chain of Custody Form Instructions for WTC Building Sampling

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§ o co '2 o o "D c CT 05 o' Summary of Residential Sampling Survey Form Results and Review of Photographs T3 Oi (Abbreviations and terms used in the fable are defined on the last page in this fable.) o 3. 03 Number of Event Broken Dust Visible Dust Visible Residence Cleaning Aggressive Level of Dust o o Number Location Windows Initially CurrenUv Occupied Method Sampling in Photo Photo Comments o c 8 Outside 0 N None Visible 3 Q Z3 8 Common 0 Ml N C None Visible 8 Residence 1 1 SI N Y O N None Visible 8 Residence 2 1 Mi N Y C N None Visible Resident has window vi ew of WTC site None Visible 9 Outside 2 N in Picture Utility/road construction occurring near building and across the g Common 0 LI N C None Visible street from the front door. g Residence 1 0 Ml Y Y C Y None Visible g Residence 2 0 Ml Y Y C Y Slight Amount 10 Outside 0 Y Slight Amount 10 Common 0 SI N AA None Visible 10 Residence 1 0 Nl N Y AA Y None Visible View of Statue of Liberty 10 Residence 5 1 SI N Y AA Y None Visible 11 Outside 0 LI N None Visible Looks like many dried, fallen leaves on sidewalk 11 Common 0 SI N MS None Visible 11 Residence 1 0 SI N V None Y None Visible 11 Residence 2 0 UNK N V UNK Y None Visible Wall AC unit was removed, it was lust a hole to the outside 12 Outside 0 N None Visible Looks like many dried, fallen leaves on sidewalk 12 Common 0 SI N MS None Visible Very messy, doesn't look like “WTC dust" (has "post-move-out" 12 Residence 1 0 Ml Y V None N Large Amount look) 12 Residence 2 0 SI N V None Y None Visible 13 Outside 0 N Slight Amount A little messy, but doss not look like WTC dust 13 Common 0 Ml N MS None Visible 13 Residence 1 0 Ml N V C Y None Visible 13 Residence 5 0 Ml Y V C Y Large Amount Very messy, but not with WTC dust (post-move-out look) M Outside 0 N None Visible Air sample from garden area; no bulk sample taken; WTC dust 14 Common 0 SI N C None Visible visible on neighboring building.___________________________ Light dust on floors; one pile of “material,” could be from remodeling 14 Residence 1 0 Ml Y U None Y Large Amount activity

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