The height of the spring retainer, therefore, determines the amount of material left at the base. Because movable contacts manufactured before September 1979, would have a small possibility of this type of failure, the vendor recommends that control devices purchased before 1981 be replaced with new control devices on both HK and K-line breakers at the next scheduled breaker maintenance. The vendor states that it will notify all customers who purchased this product. Commonwealth Edison Co. Emergency medical technicians were called and the individual was pronounced dead at the scene.
Cause of death appears to be a heart attack.
The individual was employed at the Quad Cities Station as a radiation protection technician. Only minor media interest in the form of an obituary in the newspaper has been noted.