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Document / 85 pages

EPA air monitoring chain of custody, Jan 2003

Machine-extracted title · confidence 95%

A chain of custody cover sheet for air monitoring samples sent to the EPA Region 1 laboratory in January 2003.

NYC-WTC_000149346–000149430

Folder label: “AIR MONITORING - LAB”

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Scanned page image, NYC-WTC_000149397
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Environmental Protection Agency R. 763. Subpt. E. App. A

FIGURE I--SAMPLING CASSETTE CONFIGURATION

Inlet Plug

-I Cassette Cap I

Extension Cowl or Retainer Ring

:«( 7< . I' ! */ <04 pm pore PC filter or < 0.45 pm pore MCE filter

] 5 pm MCE Diffuser ]

■j Suppon Pad [

O ■j Cassette Base

] Outlet Plug I

7. Reloading of used cassettes is not per- 9. Maintain a log of all pertinent sampling mitted. Information. 8. Orient the cassette downward at ap­ proximately 45 degrees from the horizontal.

671

NYC-WTC_000149397

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NYC-WTC_000149397Source: NYC Law Department, mirrored locally

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