Harper, Martin <br/><br/>
Continued participation in an asbestos fiber-counting proficiency test with relocatable grid slides.  [electronic resource] 

 -  Journal of environmental monitoring : JEM  Feb 2009 
 - 434-8 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>1464-0333 
<br/><br/><label>Standard No.: </label>10.1039/b813893a  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Asbestos--analysis<br/>Asbestos, Amosite--analysis<br/>Asbestos, Serpentine--analysis<br/>Environmental Monitoring--methods<br/>Humans<br/>Laboratories--standards<br/>Microscopy--methods<br/>Reference Standards<br/>United States