I buy both organic and non-organic produce. I've never encountered irradiated non-organic produce either. I don't know why irradiation isn't more common, but or

I buy both organic and non-organic produce. I've never encountered irradiated non-organic produce either. I don't know why irradiation isn't more common, but organic certification certainly isn't the prime culprit; most of this tainted lettuce wasn't certified organic in the first place.