Met One "JF-1"

In the 16' cubed cleanroom in the beer garden prior to starting any in-chamber work:

0.3um  30

0.5um  10

1.0um  10

At the end of in-chamber activity, data taken in-chamber with counter sitting on flooring ~near ACB and QUAD (draw fan was in-place for ~2 hours of prior in-chamber work, and while counts taken):

0.3um  120

0.5um  50

1.0um  30