Chain of Custody Form Instructions for WTC Building Sampling

NYC 9/11 Public Portal Document

INFORMATION NEEDS FOR SAMPLES/SAMPLE LOCATIONS This package of contains a series of forms designed to collect the relevant information for all of the samples taken at one particular building.

The following SECTIONS are included: 1. General information about the sampling event (page 3) 2. Information about the building the samples will be taken around and from (page 4-5)

3. Information for the sample taken outside of the building (page 6) 4. Information for the sample taken inside the building from a common area (page 7-8)

5. Information for each sample taken inside the building from residential Unit 1 (page 9- 12) 6. Information for each sample taken inside the building from residential Unit 2 (page 13-16)

7. Site Sketches (outside sample on page 17, inside common area on page 18, residential unit 1 on page 19, and residential unit 2 on page 20).

Each sample must be associated with one form from SECTION 3,4, or 5. The collection of samples from the building must be associated with the forms from both SECTIONS 1 and 2.

Page 2 of this package contains a checklist to be completed at die end of the sampling event. This checklist will be used to validate information collection. Finally, use the supplied camera to take photos of the outside structure of the building, the outside sampled area, inside sampled residential unit 1 and inside sampled residential unit 2. Note the exposure number for each set on the final checklist.

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NYC-WTC_000149538