Patent 7559980 was granted and assigned to Skc Inc. on July, 2009 by the United States Patent and Trademark Office.
A passive air sampler or badge suitable for wearing includes a vial adaptor to facilitate transferring granular or particulate adsorbent to and from it directly into a specially designed vial sized to accommodate a standard amount for use in a desorption tube for chromatographic or other analysis of the materials desorbed.