Re:Contamination Control Training

["David Whitfill" <djwhitfill@MSN.COM>]

Just a heads up to all about using phosphorescent powders for this 

training...if you are using a liquid scintillation system to count your 

wipes, these powders may wreak havoc with your system (very large count 

rates). It may take you a while to catch on to what is happening (gee after 

all they do glow in the dark...).



I used a sanatarian's training kit that had zinc sulphide along with a black 

light during a contamination exercise. It worked great. I was really pleased 

with the whole exercise. I thought it was an outstanding idea until I took 

my next set of routine smears.  It took a month to clean up the ZnS to the 

point where it did not interfere with smear assays (had to dark adapt for a 

24-hour period prior to counting the smears).







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