date:Oct 08, 2015
ad the highest arsenic concentrations, averaging 28 parts per billion, while Oregon's had the lowest, averaging 13 parts per billion.
There were no statistical differences among Washington, New York and California, she said. The only star in the story is Oregon, where arsenic concentrations were particularly low.
Where possible, the study also compared wines grown in new vineyards and those that had been converted from other agricultural uses like orchards, where farmers likely used arsenic-ba