PROPOSED TREATMENT FOR INHALATION WHERE PARTICLE SIZE DISTRIBUTION DATA ARE AVAILABLE — — 1 {- l @ If AMAD <20um, use ICRP. lung’ model {| 6S ; i | @ if AMAD >20um, separate data by stages, and then use the ICRP lung model | Filter - Assume 1pm Stage | High ~ 4-7 1.7um 13 - 5.88pm 1 - Assume in N-P 2 = 19 pm eee total deposition LRA-290