date:Apr 10, 2013
med, a further test to confirm the quantity of the DNA. The final test would be to check for the presence of bute. If the screening test is negative, no further tests are needed at this stage.
The second part of the sample may be sent by retailers or manufacturers for their own independent tests.
Where there is a disparity in the two results, or the original result is disputed, the remaining sample is sent to the independent Government Chemist (in LGC) for a final test and an analysis of the m