Vineyards can be sprayed with different pesticides during different growth periods of the grape, and no amount of washing or peeling will eliminate contamination because of the grape \ 's thin skin.

"You come out and shower with the suit on to get loose contamination off, take off the suit and then shower again to get it off your skin," he said.

Vineyards can be sprayed with different pesticides during different growth periods of the grape, and no amount of washing or peeling will eliminate contamination because of the grape's thin skin.