Raytheon Argues That Lack of Evidence of Subcellular Beryllium Damage Precludes Medical Monitoring

BOSTON — Raytheon Co. (NYSE: RTN) is seeking summary judgment on a medical monitoring claim by employees and potential class members alleging harmful exposure to beryllium, saying plaintiffs lack necessary evidence of subcellular lung damage.

The parties were to argue their respective positions at a June 11 hearing before Judge Mark L. Wolf of the U.S. District Court for the District of Massachusetts.

Plaintiffs in two associated cases are suing Raytheon and the company’s suppliers, contending that defendants failed to warn employees at Raytheon’s Waltham, Mass., facility of the hazards of airborne beryllium dust. Some suppliers, in fact, conspired to …