When trying to evaluate a plastic food storage container for durability and safety, you should first turn the container over ...

The number is inside the triangular recycling mark. 1, 2, 4 or 5 means the plastic is BPA free. They quite often say BPA free on them. A 3 or a 7 means that the plastic may contain BPA.

Maureen Cropper at the University of Maryland and her colleagues assessed the public health impact of exposure to three types of chemicals primarily used in plastics: bisphenol A (BPA), di(2 ...