
1 
These regulations may be cited as the Alkali, &c. Works and Clean Air (Metrication) Regulations (Northern Ireland) 1994, and shall come into operation on 4th July 1994.
2 
In these regulations—
 “the Alkali Act” means the Alkali, &c. Works Regulation Act 1906;
 “the Clean Air Order” means the Clean Air (Northern Ireland) Order 1981.
3 
The provisions of the Alkali Act specified in Schedule 1 in column 1 shall be amended by substituting for the amounts expressed opposite thereto in column 2 the amounts expressed in the corresponding entry in column 3.
4 
The provisions of the Clean Air Order specified in Schedule 2 in column 1 shall be amended by substituting for the amounts expressed opposite thereto in column 2 the amounts expressed in the corresponding entry in column 3.
5 
The Alkali, &c. Works (Metrication) Regulations (Northern Ireland) 1985 are hereby revoked.
Sealed with the Official Seal of the Department of the Environment on
R. W. Rogers
Assistant Secretary
23rd May 1994.
SCHEDULE 1
regulation 3


1 2 3
Provision to be amended Present amount Amount substituted
Section 1(1) 
(a) cubic foot
(b) one-fifth part of a grain 
(a) cubic metre
(b) 0.46 gram
Section 2(1) cubic foot cubic metre
Section 6(1) 
(a) cubic foot
(b) four grains 
(a) cubic metre
(b) 9.15 grams
Section 6(2) 
(a) cubic foot
(b) one-fifth part of a grain 
(a) cubic metre
(b) 0.46 gram
Section 7(1) 
(a) cubic foot
(b) one grain and a half 
(a) cubic metre
(b) 3.43 grams
Section 16 
(a) cubic foot
(b) sixty degrees of Fahrenheit’s thermometer
(c) thirty inches 
(a) cubic metre
(b) 15 degrees Celsius
(c) 1 bar
SCHEDULE 2
regulation 4


1 2 3
Provision to be amended Present amount Amount substituted
Article 5(11) 55,000 British thermal units 16.12 kilowatts
Article 7(5) 55,000 British thermal units 16.12 kilowatts
Article 24(1) six feet 1.83 metres