Complex sentence: The first use of NOREM was as replacement discs in three Chemical Volume Control System isolation valves at Consolidated Edison's Indian Point 2 PWR; it is now used in about 800 valves installed by about 30 utility companies.
Split into simpler sentences: The first use of NOREM was as replacement discs in three Chemical Volume Control System isolation valves at Consolidated Edison's Indian Point unit 2. It is now used in about 800 valves installed by about 30 utility companies.