Jesus man, wikipedia ? seriously ?
Then ok, if you don't want to work with materials that are linked with policy etc. maybe just look at this like on a normal document ?
Hello,
I need some interpretation/analysis of the air HEPA filter results for my school project. I don't know exactly what are the standars of those elements(Al,Br etc.) so I can't say if they are below range or above range. Please, if someone can help me I'd be very grateful.
Here is the...