มอก. 1085-2538

Scope (English)

Specifies limits for gaseous pollutants (i.e. hydrocarbons, carbon monoxide and oxides of nitrogen) emitted with the exhaust from gasoline engined vehicles based on reference mass. Applies to passenger cars not exceeding 9 seats and trucks not exceeding 3 500 kg in gross mass. Prescribes 3 types of test: (verifying emission after cold start; verifying carbon monoxide concentration a tidling speed; and inspecting crankcase emission). Includes marking, labelling, sampling and criteria for conformity, testing.