The following letter was a response to "EPA lead rule suffers setback:"

"There is no need for a better ‘test kit,’ as highly reliable and affordable X-Ray Fluorescence technology has been in use for decades. There are many consultants who have XRF machines, and lead inspections are inexpensive. XRF testing produces no damage, while ‘test kits’ and chip sampling involves producing widely scattered damage (12 to 15 sample locations for a typical room in a house).