The Smoke Control Areas (Authorised Fuels) Regulations 1991,S.I.  1991/1282,
The Smoke Control Areas (Authorised Fuels) (Amendment) Regulations 1992,S.I.  1992/72,
The Smoke Control Areas (Authorised Fuels) (Amendment) (No.2) Regulations 1992,S.I.  1992/3148,
The Smoke Control Areas (Authorised Fuels) (Amendment) Regulations 1993,S.I.  1993/2499,
The Smoke Control Areas (Authorised Fuels) (Amendment) Regulations 1996,S.I.  1996/1145,
The Smoke Control Areas (Authorised Fuels) (Amendment) Regulations 1997,S.I.  1997/2658,
The Smoke Control Areas (Authorised Fuels) (Amendment) Regulations 1998,S.I.  1998/2154,
The Smoke Control Areas (Authorised Fuels) (Amendment No.2) Regulations 1998,S.I.  1998/3096,
The Smoke Control Areas (Authorised Fuels) (Amendment) (Scotland) Regulations 2000,S.S.I. 2000/129,