Test Methods 
SW-846 is EPA s Office of Solid Waste s official compendium of analytical and sampling meth¬ 
ods that have been evaluated and approved for use in complying with RCRA regulations. Visit 
<www.epa.gov/epaoswer/hazwaste/test/sw846.htm> to learn more about SW-846 and obtain a 
copy online. 
Methods 6200, 601 OB, and 7420 from EPA (entitled Test Methods for Evaluating Solid Waste, 
Physical/Chemical Methods, SW-846). For ordering information, or to obtain a copy online, go 
to <www.epa.gov/epaoswer/hazwaste/test/sw846.htm>. 
ASTM El792-96a, Standard Specification for Wipe Sampling Materials for Lead in Surface 
Dust, ASTM, 1100 Barr Harbor Drive, West Conshohoken, PA 19428-2959. For individual 
reprints call 610-832-9585; visit www.astm.org or send an e-mail to service@astm.org. 
Analyzing 
Lead Dust Samples Using XRF Technology 
4 9 
