LND, Inc. is still a primary supplier of Helium-3 and BF3 neutron detectors for Radiation Portal Monitors (RPM’s) at borders, shipping ports and other critical areas.  LND is able to supply all of your He-3 neutron detector needs.  There is no shortage of Helium-3 gas for most neutron detection requirements.  Inquire with the LND Sales Department for pricing and delivery.