To consider tests and specifications for slag and pozzolanic materials related to alkali-silica reaction, a new joint task group has been formed jointly by American Society for Testing and Materials (ASTM) Subcommittee C09.24 on Ground Slag and Pozzolonic Admixtures and C09.26 on Chemical Reactions.

The group may propose revisions to existing standards or develop new standards. Anyone interested may contact Joint Task Group Chairman Michael Thomas, University of Toronto (416/978-6238; e-mail: mthomas@attcanada.net), Subcommittee C09.24 Chairman Scott Schlorholtz, Iowa State (515/294-8761; e-mail: sschlor@iastate.edu), or Subcommittee C09.26 Chairman Leslie Struble, Ph.D., University of Illinois (217/333-2544; e-mail: lstruble@uiuc.edu).

The committee meets during ASTM Committee Week, June 18-21 in Toronto, Canada. For meeting or membership information, contact Staff Manager Jim Olshefsky, ASTM (610/832-9714; e-mail: jolshefs@astm.org.