Diffusion Samplers

Passive Diffusion Bag Samplers

Vendor Contacts:

• Columbia Analytical Services: On-line at caslab.com
  Phone: 1-800-695-7222

• Eon Products: On-line at eonpro.com
  Phone: 1-800-474-2490

License Contacts:

• PDB samplers employ patented technology (U.S. patent number 5,804,743), the user is required to purchase commercially produced samplers from a licensed manufacturer or purchase a nonexclusive license for sampler construction from the U.S. Geological Survey Technology Enterprise Office at:
  
  U. S. Geological Survey Technology Transfer Enterprise Office
  Mail Stop 211, National Center
  12201 Sunrise Valley Drive
  Reston, Virginia 20192
  Phone: 703-648-4403
  Fax: 703-648-4408

Internet Training Materials: On-line at Interstate Technology and Regulatory Cooperation

Passive Vapor Diffusion Samplers - (Reports not available at this time)