Glyphosate was detected in all of the wheat-based foods. Pasta samples contained glyphosate at levels ranging from 60 to 150 parts per billion. ... EWG Tests of Pasta and Wheat-Based Cereal for Glyphosate. ProductNameGlyphosate (parts per billion)* Dry pastaBarilla Whole Grain Rotini130 7 more rows 28 Feb 2019