The last Roundup: Herbicides are more than just a headache for Hawai'i residents
http://honoluluweekly.com/cover/2009/07/the-last-roundup/
"Diane Koerner travels with an oxygen tank in the trunk of her car, all the windows rolled up and the air conditioning on recirculate. The Big Island resident, who suffers from severe Multiple Chemical Sensitivity, takes such precautions because smelling the herbicide Roundup can leave her with a debilitating migraine. And given that chemicals are used to suppress vegetation along nearly every mile of roadway in the Islands, an unpleasant chance encounter is not an unlikely risk."
http://honoluluweekly.com/cover/2009/07/the-last-roundup/
"Diane Koerner travels with an oxygen tank in the trunk of her car, all the windows rolled up and the air conditioning on recirculate. The Big Island resident, who suffers from severe Multiple Chemical Sensitivity, takes such precautions because smelling the herbicide Roundup can leave her with a debilitating migraine. And given that chemicals are used to suppress vegetation along nearly every mile of roadway in the Islands, an unpleasant chance encounter is not an unlikely risk."