Patent ID: 7122065
Filing Date: 2006-10-17
Classification: G01N

Abstract:
1. An apparatus for taking an air sample from a sample location, the apparatus comprising: a cylindrical PUF cartridge having an inlet opening, an exit opening, an interior region that defines a passage between the inlet and exit openings, and an adsorbent resin disposed within the passage, the inlet and exit openings each having a cross-sectional flow area, the inlet opening cross-sectional flow area greater than the exit opening cross-sectional flow area; an adapter coupled to the PUF cartridge, the adapter including a body having a first section, a second section, and an interior surface defining a cavity, the body first section surrounding the cartridge inlet opening and having an opening formed therein that is in communication with the cavity, the body second section having an aperture formed therein that is in communication with the cavity, the aperture having a diameter that is smaller than the diameter of the opening; a seal located on the body interior surface; a vacuum source in fluid communication with the adapter aperture; tubing coupled between the vacuum source and the PUF cartridge; and sample tubing coupled between the sample location and the adapter.