David Black, whose Aegis Labs runs NASCAR’s random testing program, disputed Jeremy Mayfield’s claim that use of two allergy medicines led him to fail a drug test, resulting in suspension.
Black said:
What we have is a clear violation of policy. … In my many years of experience, I have never seen a violation like this due to the combination of over-the-counter or prescription products.
But, Black did not indicate what caused Mayfield’s positive test. He did, however, say it was a “drug of concern.”
Mayfield will have to complete a treatment program before being cleared to race again.
[...] David Black, who runs the lab that conducts NASCAR’s testing said that disputed his claim. Black said: What we have is a clear violation of policy. … In my many years of experience, I [...]
[...] In May 2009, Mayfield was suspended for violating NASCAR’s substance abuse policy. At the time, Mayfield claimed the failed drug test was the result of the combination of a prescribed medicine and an over the counter medicine that reacted together. He later said that the mix was of Adderall RX, which he said he was prescribed for attention deficit hyperactivity disorder, and Claritin. David Black, whose Aegis Labs runs NASCAR’s random testing program, disputed that claim. [...]