Just as California wineries were preparing for the crush, several received letters threatening lawsuits for violation of Proposition 65. The Safe Drinking Water and Toxic Enforcement Act letters alleged that the wineries sold glassware containing toxic metals without providing a warning as required by Prop 65. The targeted products include ceramicware, wineglasses and wine bottles with winery logos or other decorative designs. The wine industry was just one sector targeted for violations rela...