Fifty-Sixth Report of the TSCA Interagency Testing Committee to the Administrator of the Environmental Protection Agency; Receipt of Report and Request for Comments

Résumé

The Toxic Substances Control Act (TSCA) Interagency Testing Committee (ITC) transmitted its 56\th\ ITC Report to the Administrator of EPA on September 15, 2005. In the 56\th\ ITC Report, which is included with this notice, the ITC is revising the TSCA section 4(e) Priority Testing List by adding 5 High Production Volume (HPV) orphan chemicals and 2 tungsten compounds and removing 28 HPV orphan chemicals, 3 pyridinamine compounds, 6 indium compounds, and 6 vanadium compounds. The ITC is requesting that EPA add the 5 HPV orphan chemicals and 2 tungsten compounds to the TSCA section 8(a) Preliminary Assessment Information Reporting (PAIR) rule and the 5 HPV orphan chemicals to the TSCA section 8(d) Health and Safety Data Reporting (HaSDR) rule. To facilitate the efforts of EPA, other Federal and State agencies, interested stakeholders, and members of the public in obtaining basic health effects and environmental data on HPV chemicals, the ITC conducted a December 2004 Data-Availability Study of 235 substances that were HPV chemicals in the 1998 and 2002 Inventory Update Rules (IURs), but not in the 1990 or 1994 IURs. The study is discussed and the list of 235 substances is appended to