TABLE 1. Choronology of major construction and operation events at the Millstone Nuclear Power Static 



Date 



Activity 



December 1965 



November 1969 



October 26, 1970 



November 29, 1970 



December 28, 1970 



January 15, 1971 - February 22, 1971 



August - December 1972 



November 1972 



September 3, 1972 - March 20, 1973 



November 1972 



April 18 to July 28, 1973 



August - December 1973 



July - December 1974 



September 1 to November 5, 1974 



July - October 1975 



July 1975 



August, 5 1975 



September 10 to October 20, 1975 



October 7, 1975 



November 7, 1975 



November 13, 1975 



December 1975 



March. 19 1976 



June - October 1976 



October 1 to December 2, 1976 



Decrmber 20, 1976 to January 20, 1977 



May 6 to June 25, 1977 



June ■ October 1977 



November 20, 1977 to May 1, 1978 



March 10 to April 15, 1978 



March 10 to May 21, 1979 



April 28 to June 27, 1979 



August 10 to 25, 1979 



November 1 to December 5, 1979 



May 7 to June 19, 1980 



June 1 to June 18, 1980 



August 15 to October 19, 1980 



October 3, 1980 to June 16, 1981 



January 2 to 19, 1981 



December 5, 1981 to March 15, 1982 



March 1981 



September 10 to November 18, 1982 



March 2 to 18, 1983 



April - September 1983 



May 28, 1983 to January 12, 1984 



December 1983 



August 1983 



April 13 to June 29, 1984 



February 15 to July 4, 1985 



June 1985 



September 28 to November 7, 1985 



October 25 to December 22, 1985 



November 1985 



February 12, 1986 



April 23, 1986 



July 25 to August 17, 1986 



September 20 to December 18, 1986 



December 1 to IS, 1986 



January 30 to Februai^ 16, 1987 



March 14 to April 10, 1987 



June 5 to August 17, 1987 



November 1, 1987 



Construction for MNre 1 began 



Construction for MNPS 2 began 



MNPS 1 initial criticality; producpd first thermal effluent 



MNPS 1 initial phase to grid 



MNPS 1 began commercial operation 



MNPS 1 shutdown 



Surface boom at MNPS 1 



Fish barrier installed at quarry cut 



MNPS 1 shutdown 



MNPS 2 coffer dam removed 



MNPS 1 shutdown 



Surface boom at MNPS 1 



Surface boom at MNPS I 



MNPS 1 shutdown 



Surface boom at MNPS I 



Bottom boom installed at MNI^ 1 



MNPS 3 coffer dam construction began 



MNPS 1 shutdown 



MNPS 2 produced first effluent 



MNPS 2 initial criticality; produced firrit thermal effluent 



MNPS 2 initial phase to grid 



MNPS 2 began commercial operation 



MNPS 3 coffer dam construction finished 



Surface boom at MNPS 2 



MNPS I shutdown 



MNPS 2 shutdown 



MNPS 2 shutdown 



Surface boom at MNPS 2 



MNPS 2 shutdown 



MNPS 1 shutdown 



MNPS 2 shutdown 



MNPS I shutdown 



MNre 2 shutdown 



MNPS 2 shutdown 



MNPS 2 shutdown 



MNPS I shutdown 



MNPS 2 shutdown 



MNPS 1 shutdown 



MNPS 2 shutdown 



MNPS 2 shutdown 



Bottom boom removed at MNPS 1 



MNPS 1 shutdown 



MNPS 2 shutdown 



MNPS 3 coffer dam removed, intake maintenance dredging 



MNPS 2 shutdown 



Fish return system Installed at MNPS 1 Intake 



Second quarry cut opened 



MNPS I shutdown 



MNPS 2 shutdown 



Intake maintenance dredging 



MNPS 2 shutdown 



MNPS 1 shutdown 



MNPS 3 produced first effluent 



MNPS 3 produced first thermal effiuent 



MNPS 3 began commercial operation 



MNPS 3 shutdown 



MNPS 2 shutdown 



MNPS 1 shutdown 



MNPS 2 shutdown 



MNPS 3 shutdown 



MNPS 1 shutdown 



MNPS 3 shutdown began 



NUCSO 



NUSCg 1973a 



DNGL 



DNGL 



DNGL 



DNGL 



NUSCO 1978a 



DNGL 



NUSCO 1973a 

 DNGL 



NUSCO 1978a 

 NUSCO 19783 

 DNGL 



NUSCO 1978a 

 NUSCO 1978a 



DNGL^ 

 EDAN 

 F.DAN 

 DNGL 

 NUSCO 1986b 



NUSCO 1978a 



DNGL 



DNGL 



DNGL 



NUSCO 1978a 



DNGL 



DNGL 



DNGL 



DNGL 



DNGL 



DNGL 



DNGL 



DNGL 



DNGL 



DNGL 



DNGL 



DNGI(. 



NUEL 



DNGL 



DNGL 



NUEL 



DNGL 



NUSCO 1986b 



NUSCO 1986a 



DNGL 



DNGL 



NUEL 



DNGL 



DNGL ' 



EDAN 



EDAN 



DNGL 

 DNGL 

 DNGL 

 DNGL 

 DNGL 

 DNGL 

 DNGL 



I, DNGL is the daily net generation (MWe) log 

 ^ EDAN is the environmental data aquisilion network 

 NUEL is the NU Environmental Lab records 



Introduction 



