13
4a. Use the
fi
lter casse
tt
e opener to separate the
two halves.
4b. Slide the
fi
lter casse
tt
e horizontally into the
“
U
” of the opener until the two halves of the
casse
tt
e loosen. Gently pull halves apart.
Locate the recessed area on the
fi
lter casse
tt
e
top and remove the impaction disc. If chemical
analysis of larger particles is desired, place
in an appropriate container for shipping
to a laboratory for analysis (see Ordering
Information, Accessories for glass jars).
Gently lift the
fi
lter casse
tt
e
from the exhaust.
Use forceps to remove the collection
fi
lter and place in an appropriate
container for shipping to a laboratory.
Unscrew the impactor inlet
from the exhaust.
1
SAMPLE REMOVAL, SHIPPING, AND ANALYSIS
Removing the Collection Filter and Impaction Disc
Shipping Samples
Package and transport samples and blanks in a manner that will prevent sample
loss and contamination.
See Ordering Information, Accessories for the petri dish slide
for transporting samples.
Analysis
Gravimetric and/or chemical by an accredited laboratory
