"Based on that testing we learned ingredients supplied to us from one supplier in Europe tested positive for horsemeat.
"While we didn't agree, we discontinued our objective claims in 2010 that were based on that testing," he said.
"Our work confirms that policy guidance on digital screens should be based on work that test explicit hypotheses about possible technology effects".
However, estimates of their incidence and diversity are based on studies that test for a single bacterial genus and often only include small samples of each host species.
He added, "Our environmental consultants say there is no health hazard to the staff or the public, based on the testing that has been done".
"I'm advocating based on this testing that we should change the rules," Dr. Hayes continued, "and in fact many people ignore the rules anyway.
This level, called the "bioburden," is based on studies that tested how resistant different microbes are to intense radiation and other dangers associated with space travel.
"You can know 150 inherent genetic disorders before the baby is born, based on that spit test.
Based on this test, we found that the performance of EFIN compared favourably with that of the other tested tools.
