Different activities in pulse and flour mill greatly increase dust concentration. During this study very few workers were observed to use any type of respiratory protection gadget. There is lack of awareness on the potential health effects of crop dust exposure among workers. Dust concentration in both pulse and flour mill was above the standard limit of 10 mg/m3 for total dust and above 3 mg/m3 for respirable dust as per ACGIH standards. Six different types of available and developed personal dust protector were evaluated for flour and pulse mill workers against dust hazard.The masks...