Simple surgical style dust masks won't screen out the micro-particles that can lodge in your lungs and enter your bloodstream. Look for the ones that are “NIOSH-approved” and marked N95, N100 or P100 that have two straps. #LAFires
@ConejoValleyUSD So you’re concerned about our lungs and vaping but are willing to put us in these classrooms all day where we can still smell smoke? Maybe you should think about children safety instead of getting paid...