{HEAD ~ a compartment} accessible from {TAIL ~ an exterior wall} of said housing through a closeable access opening and communicating with said sealable chamber, said compartment configured to receive a reducing agent, at least a portion of said compartment being disposed below said plate, and said plate and said floor cooperating to prevent solid particulate from entering said chamber from said compartment 
accessible from
{ HEAD ~ a compartment } accessible from { TAIL ~ an exterior wall } of said housing through a closeable access opening and communicating with said sealable chamber , said compartment configured to receive a reducing agent , at least a portion of said compartment being disposed below said plate , and said plate and said floor cooperating to prevent solid particulate from entering said chamber from said compartment
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH