[ANNEX IIIA U.K. VERIFYING REAL DRIVING EMISSIONS
Appendix 1
Test procedure for vehicle emissions testing with a Portable Emissions Measurement System (PEMS) U.K.
3. GENERAL REQUIREMENTS U.K.
3.1. PEMS U.K.
3.1.1. Analysers to determine the concentration of pollutants in the exhaust gas.] U.K.