It is near TPC chemical plant in Port Neches which had an explosion this morning at 1 am.My tenant reported that they are fine but 3 windows are gone and the garage door is bent.  

Any wood you buy in a lumber yard or box store is going to be kiln dried, heat treated, or chemically treated for ground contact.

But The City is growing really fast with the growth of Refineries and Chemical Plants being built and expanding.

This salt reacts chemically with the cement in the concrete and weakens the bonds with the sand and rock and you see the concrete begin to crumble. 

Contractor did review with tenant all machines and chemicals that were being utilized to kill and remove mildew/mold and I did not hear any concerns there.

Call chemical bank

It often means that a property is uninsurable, or has had a hazardous substance issue (like meth preparation on the premise - this substance's ingredients leave lots of dangerous chemicals behind and are exceedingly expense to remove from a location most often requiring special equipment and haz-mat clothing).

They put special chemicals/ compounds  in it to work in cold weather 

In my area, I can get 2000 lbs for $140) Light stable aromatic polyurethane binder (Contact a reputable chemical or adhesive supplier and explain the project.

The pest control company I had used a chemical called "crossfire" I'd buy it online treat any box springs and mattresses in the apartment and then buy highly rated bug proof mattress and box spring covers on amazon.