If you have a tenant that is dealing with corrosive chemicals, it can eventually eat away at framing members so be careful on who you lease to and what their plans are.

Graduating in the Fall with a BS in Chemical Engineering.

She had rented for over 10 years with the same landlord in a community that was deemed unsafe due to chemicals in the soil. 

If you buy used, you need to check for hazardous chemical residue in the unit, if you want to use for housing. 

The dashes are how they inject the chemicals into the lumber.

Horrible place to put a pool.If you can run year round, maintain good chemical balance and stay on top of the maintenance it shouldn't be as bad. 

Agreed- 2 tubs equals double the work, footprints, cost, pumps, chemicals, cleaning etc etc 

I'm considering buying a 4 acre tract (thinking 30 spaces) within the city limits to house construction workers for various chemical plants in the area.

Order and manage chemicals.

Square feet to be cleaned, type of cleaning, chemicals needed to clean, are all probably in the bid.Maybe try three more bids and see what they come out to.Then check references.Does that include windows and screens, and etc...How many people will they send out, and how long will the cleaning last in hours until it ready?