pesticide

If agricultural or construction waste is used, it can include nasty chemicals from wood treatments and pesticides.

In white coverall suits and full-face respirators, hazmat workers went property by property sifting through the ashes to dredge up lead-acid batteries, tins of paint thinner and pesticide canisters.

They argued that painting cows could reduce pesticide use while preventing more livestock from health problems associated with bites.

Some of the communities have identified pesticides, open burning, road dust and farming operations as among their air priorities.

To avoid using pesticides, an army of volunteers remove the beautiful bugs by hand.