We washed the concrete with a garden hose and chemicals.

I joined bigger pockets a while back but had to focus on paying my way through school and passing a dual major in Chemical Engineering and Paper Science Engineering.

Currently my hot tub maintenance person says I need to schedule her to come out to the property after every turnover to poor chemicals in and clean the tub.

For instance, in regulating chemical companies to not pollute with new novel chemicals in our rivers and oceans, without needing a new law from Congress.

yes, some people (who run it as a full time business) do well, just as some people who run automotive manufactures, chemical plants, and construction companies do well.

Most of the products I order are to sanitize, but eco-friendly, not only for the environment, but I do not care to burn my lungs with chemicals or get cancer. 

Also the back door has some burns on it that "could" be chemical burns. 

We also provide pest control and chemical lawn service. 

If it were mine I would replace the roof, including any roof decking underneath the shingles that need to be replaced, and look into the cost of doing a ridge vent at the top.As far as the air conditioning system , you might be replacing a well built heavy duty unit with something that has a much shorter service life and instead of using freon it uses some incredibly expensive chemical . 

Borrego Springs had an incredible super bloom this spring.The Salton Sea area has an air pollution problem from chemical spraying from nearby farms and the town surrounding the sea is very run down.