Quote Originally Posted by brads View Post
There are different degrees of toxicity. It's unlikely you'll find many auto or machine shops pumping much arsenic and cadmium into the air.
Worse, they condemn the site from oils and solvents leaching into groundwater, haul off a few hundred tons of soil and fine the employer $2,000,000.00. It happened at A place I worked was moved for the new Us Army Corp of Engineers building site.

The toxins will vary, place to place. you could test storm drains find any and all crud that gets washed into them. Much of the airborne stuff will end up in the water sooner or later.

Iv had EPA come around workplaces and find traces of solvents and cutting oils from products just sitting outside that get rained on, seriously nasty stuff for the environment.

My point being is you can find toxins everywhere is you look. It would be great if every precaution was taken to minimize detrimental impact.

Even something as theoretically inert as farming, chemicals used end up in our water and food.

Im a green tree hugger but not to an unrealistic extreme though.