a limited quantity of Beech-Nut Single Grain Rice Cereal products had levels of naturally-occurring inorganic arsenic above the FDA guidance level, even though the rice flour used to produce these products tested below the FDA guidance level for inorganic arsenic," Jacobs said.
So did the acceptable levels of arsenic in the raw rice flour get somehow added to in the production process, or did they stay the same in aggregate but in some way get accreted in some batches of product - and presumably diluted in other batches of product - that were made from the same batch of rice flour?
Also
Beech-Nut finds high arsenic levels in their baby rice cereal
Beech-Nut is recalling its infant rice cereal
Make your mind up. (It should, strictly, be “its”.)
