This IBM Engineering Specification (ES 46G3772) establishes the baseline environmental requirements for supplier deliverables to IBM. Other IBM specifications, contracts or procurement documents may contain additional environmental requirements for suppliers. ES 46G3772 contains restrictions on materials in products and on certain chemicals used in manufacturing. It also requires suppliers to disclose information about the content of certain materials in their products. In addition, the specification includes requirements for batteries, marking of plastic parts, and other product labeling requirements. Questions about this specification should be referred to your IBM Procurement representative.