You know oil refineries and chemical plants and steel mills and power plants.

I also wouldn't use muriatic acid in your home to clean tile.there are better less toxic chemicals out there to use.

The installation will be a slab on grade, and I've read some negative reviews about installation on concrete and specifically basements, and one review of the Allure product had to rip it out after experiencing a chemical odor that wouldn't go away.Is the vinyl plank easy to swap out if you have damage?

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

I assume they are heroin addicts, but there was a strong chemical smell, so I can't rule out meth.  

Most of my renters are workers at the chemical plants and refineries. 

I spend time daily working on it, checking the chemicals and working to keep them balanced so that there's no living thing in it so I can use it, but because of the temps and weather, I haven't been in it much anyway.

If the bottom of the pile has organic matter or household chemicals or anything with moisture, it's most likely damaging the flooring and walls and attracting pests.

The house that has the well pressure tank also supplies the electric to the pump , if that tenant has their electric cut off , both buildings have no water . second , if there is a water treatment system that too is in the first house , who takes care of the chemicals.

The concrete was thinned with a chemical agent instead of hydraulic (water).