Many of them are found in environmental samples, such as waste water or soil.

The inspectors were also permitted to carry out the interviews they had requested and take environmental samples, he said.

"We were allowed to see all the buildings and to take environmental samples."

Included in the new materials were results of analyses performed on environmental samples collected from an overseas site.

Final results on the other environmental samples will not be available for several days.

M. ulcerans was, however, not recovered by culture from these environmental samples.

The great sensitivity of the test means that environmental samples can be tested for infectious organisms.

The team took environmental samples to determine the scale of nuclear tests already conducted.

They also show that it works perfectly well with environmental samples.

These assays are intended only for the screening of environmental samples.