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Division 6.3

United Kingdom

Original text. Later amendments are not shown.

The 90 % cumulative percentile of the exhaust emission conformity factors from each engine system tested, determined in accordance with the measurement and calculation procedures specified in Appendix 1, shall not exceed any of the values set out in Table 2.

Table 2

Maximum allowed conformity factors for in-service conformity emission testing

For compression-ignition engines.

For positive-ignition engines.

PollutantMaximum allowed conformity factor
CO1,5
THCf11,5
NMHCf21,5
CH41,5
NOx1,5
PM mass—
PM number—
  1. 6.3.1Division 6.3.1
  2. 6.3.2Division 6.3.2

Annotations

Footnotes

f1

For compression-ignition engines.

f2

For positive-ignition engines.