Try these options before busting out the heavy duty chemicals.

We agree with @Travis BiziorekBay City, Saginaw & Flint all have low price points, but little to no growth.There are better opportunities in Detroit, even Midland (home of Dow Chemical).

Then buy the proper chemical to spray on that will take research to figure the proper type  .

My housekeeper drains my hot tub after each guest and replenishes it with water and chemical that they provide.

I'd certainly recommend doing some kind of environmental study given the chemicals and such that could have been used there but more-so I'd be curious if the city wouldn't have a testing requirement to redevelop. 

Below are a few things I look for in a vacation rental cleaner:1) Hot Tub Maintenance: Since many of my properties include hot tubs, it's essential that my cleaners are experienced in testing water quality and adding the appropriate chemicals as needed. 2) Clear Communication: Real-time communication is crucial for me.

Purchase price: $1,450,000 Cash invested: $2,000,000 Sale price: $2,300,000 300+ lot RV park that is located outside of the city limits of Addis at the intersection of Hwy.1148 and Charles Ory Road (about two miles from Dow Chemical on the West Baton Rouge side of the West Baton Rouge/Iberville Parish line).

After a few folks in the neighborhood became worried about the 2 chemical fires, they had a PG&E "information" meeting.  

The project is 300+ lot RV park that is located outside of the city limits of Addis at the intersection of Hwy.1148 and Charles Ory Road (about two miles from Dow Chemical on the West Baton Rouge side of the West Baton Rouge/Iberville Parish line).

No chemicals, no electricity, refill and clean after each stay, and “environmental friendly”.