National Environmental Technology Centre: 04/09/96 Newcastle Centre Ozone ppb,GMT: hour ending, Site started 08/03/92 GMT, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,, Max, Ave,Max_15min No data between 01/01/94 and 31/12/94