Chapter: 311L
Title: AIR POLLUTION CONTROL (MOTOR VEHICLE FUEL) REGULATION
Gazette Number: L.N. 160 of 2004

Schedule: 2   
Heading: SPECIFICATIONS OF UNLEADED PETROL
Version Date: 01/01/2005

Any unleaded petrol shall-

(a) contain not more than 0.005 gram of lead per litre as determined by EN 237;
(b) contain not more than 0.005% by weight of sulphur as determined by ISO 14596; (L.N. 160 of 2004)
(c) have a motor octane number of not lower than 85 as determined by EN 25163;
(d) have a research octane number of not lower than 95 as determined by EN 25164;
(e) contain not more than 1.0% by volume of benzene as determined by EN 12177;
(f) have a Reid vapour pressure of not more than 60.0 kPa as determined by EN 12;
(g) contain not more than 35.0% by volume of aromatic hydrocarbons as determined by ASTM D1319; (L.N. 160 of 2004)
(h) contain not more than 18.0% by volume of olefins as determined by ASTM D1319;
(i)  (i) contain stabilizing agent if it contains methanol; and
(ii) in any event, contain not more than 3% by volume of methanol as determined by EN 1601;
(j) contain not more than 5% by volume of ethanol as determined by EN 1601;
(k) contain not more than 10% by volume of iso-propyl alcohol as determined by EN 1601;
(l) contain not more than 7% by volume of tertiary butyl alcohol as determined by EN 1601;
(m) contain not more than 10% by volume of iso-butyl alcohol as determined by EN 1601;
(n) contain not more than 15% by volume of ethers (containing 5 or more carbon atoms per molecule) as determined by EN 1601;
(o) contain not more than 10% by volume of other oxygenates as determined by EN 1601;
(p) contain not more than 2.7% by mass of oxygen content as determined by EN 1601;
(q) have not less than 46.0% by volume evaporated at 100oC as determined by ISO 3405; and
(r) have not less than 75.0% by volume evaporated at 150oC as determined by ISO 3405.

Note: In this Schedule-

"ASTM D" followed by a numerical symbol ("ASTM number") means the test procedures of the American Society for Testing and Materials commonly known by that ASTM number;
"EN" followed by a numerical symbol ("EN number") means the test procedures of the European Standards commonly known by that EN number;
"ISO" followed by a numerical symbol ("ISO number") means the test procedures of the International Organization for Standardization commonly known by that ISO number.

(L.N. 156 of 2000; L.N. 15 of 2002)