With facilities such as oil refineries, steel mills, smelters, chemical plants, and power plants.

Even outside smoking brings hundreds of toxic chemicals inside that "stick" on the smoker as they come in and out.

Chemicals sold as ready to use are a huge rip off.

This type of wood when burning gives off toxic gases and chemicals and is not meant to be thrown in the fireplace just like certain types of trees aren't as well.Try getting the tenants to understand that.It's a miracle by their own ignorance that they haven't done something to kill themselves yet early in life.Common sense escapes them in many cases.

You might want to consider an industrial hygenist.a company called Modec (web addy is deconsolutions dot com) sells cleanup chemicals for meth labs.

Of course, its with highly toxic chemicals but I did this to one house, all tile floor, cabinets, vanities, tubs showers, the whole dang thing it took a week and no normal person could tell anything was paint.

Ummm, I'm not an expert on CO detectors and I hate to dis a firefighter, but CO detectors use an electro-chemical or solid-state sensor that shouldn't be affected by dust, at least not within the realm of my understanding.

I received a bachelor’s degree in chemical engineering in 2013 and have been working full time in that field since then.

I have not experienced that myself because I would never do that, but I have read about it.Not considered a high grade material, so not something you would really want to put in a million dollar home.There have been some incidents where some brands have contained physically harmful chemicals that off-gas into the home and make people sick.  

I have a Chemical Engineering degree...