TCE vapor test results not verified
Original post made on Apr 19, 2013
Read the full story here Web Link posted Friday, April 19, 2013, 11:37 AM
on Apr 19, 2013 at 5:48 pm
R. J. Lee should stop using TCE to clean out their Proton Transfer Reaction Mass Spectrometers.
on Apr 26, 2013 at 3:14 am
Could it be the new machine is simply more sensitive than the old method? Or, possibly the samples were taken from different parts of the same house?