At President Carter's strong urging, the Occupational Safety and Health Administration last week canceled 928 of 10,000 regulations on health and safety standards for employees. Among them:
> That "every water closet shall have a hinged seat made of substantial material having a nonabsorbent finish. Seats installed or replaced after June 4, 1973, shall be of the open-front type."
> That "black streaks in Western hemlock shall not be considered an irregularity" in the manufacture of wooden ladders.
> That fire extinguishers "having a gross weight not exceeding 40 pounds shall be installed so that the top of the extinguisher is not more...