Our area has a huge chemical plant industry where I believe almost anything could work in terms of real estate options. 

They were set up like that because of the a large number of out of town people that come here to work in the local chemical plants.

My difficult position is that I am currently unemployed, though I work as a contract electrician in chemical plants, I’m usually unemployed a few times a year, though make consistent yearly salary.I recently went into a lease option deal on a duplex, valued at 275k.

There's some nasty chemicals used in meth manufacturing.  

California seems to have much harsher restrictions due to Covid than a lot of other states, mine included.

My current occupation is a chemical sales engineer.

And good advice on the oily rags- the drying agent chemicals in wood finish oils produce an exothermic reaction (they give off heat).  

Jeff Chapz job market in Beaumont is good - many chemical plants and a busy port.

I'm a laborer  at a chemical plant, going on 4yrs.

There are other purifiers that create chemical reactions to break down impurities (ozone generators).