Abstract: A system for the collection and use of radiation data on airborne particulate materials, which system provides one or more facets of enhanced data accuracy, security, retrievability, accountability of personnel, chain of custody, or the like, the system having the following components:(a) an airborne material collection filter means having bar code indicia thereon;(b) a computer adapted for storing and/or processing record data and property data;(c) a bar code reader adapted for interfacing with the bar code on the filter means and accessing record data thereon, the reader also being adapted for interfacing with the computer for the transport of record data thereto; and(d) a radiation counter adapted for analyzing and providing radioactivity (property data) on particulate materials collected by the filter means and for interfacing with the computer for the transport of the property data thereto;(e) the computer being adapted for correlating the record data and property data and calculating and reporting work