Google led me to this: http://veggierevolution.blogspot.com/2010/10/experts-avoid-nonorganic-potatoes.html
That link she provides mentions how apples are very contaminated.
Sweet potatoes are supposedly mostly clean (one of the least contaminated types). Sweet potatoes have oxalates, however. (I limit oxalates a little.)
That link she provides mentions how apples are very contaminated.
Sweet potatoes are supposedly mostly clean (one of the least contaminated types). Sweet potatoes have oxalates, however. (I limit oxalates a little.)