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Residential sampling protocol, World Trade Center, Oct 2001

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Sampling protocol developed to assess residential exposure to airborne and settled dust near the World Trade Center.

NYC-WTC_000178091–000178127
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NYC 9/11 Public Portal Document

[wtcjresidentia[ plan octi 8.wf^ Page" 141

****draft**** For outdoor sampling, provide the following: I ; 9. Location of samples relative to main entryways of residential buildings I 10. Side of budding (N, S, E, W)

11. Location of samples relative to roadways

12. Location of samples relative to dust-generating activities (describe activities) _construction __ Remodeling __ Roadwork Other (describe)

I 13. Is visible dust present (air, surfaces) _Yes __ No If YES, describe

14. Weather prior to and during sampling (Avoid ambient sampling during or just following rain events)

date of last rain event wind velocity and direction

15. Sketch of area showing air and surface dust sample locations 1

I

I 14

CITY_21MC100_013489436 NYC-WTC_000178102

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NYC-WTC_000178102Source: NYC Law Department, mirrored locally

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