DUST Flashcards
1
Q
METHODS FOR DUST ANALYSIS
A
- filtration- using aspirator air is drawn through filter, weigh filter before and after
- impingement - use a konometer which has a plunger and a microsocpe
2
Q
classification of deust 61
A
inert
toxic
allergenic
fibrogenic
3
Q
values
A
daily permissible concentration 0.25 mg/m3