51�Թ�

Eight pesticides were found at the air monitoring stations, including 1,3-dichloropropene, a fumigant and probable human carcinogen used to kill crop-damaging pests in soil.

“We’re not using herbicides, not using pesticides, not using fumigants,” he said.

“Teachers have been concerned about nearby application of pesticides and fumigants for decades,” said Vaquera-Boggs, president of the Pajaro Valley Federation of Teachers.

Environmental Protection Agency for use as a pesticide in 1959, sulfuryl fluoride gained popularity after countries around the world agreed to phase out more reactive fumigants that were depleting the ozone layer, the researchers said.

The fumigant is also used to protect grains, nuts and dried fruits from pests after they are harvested.