SCHEDULE 5 (ANNEX V to Directive 97/68/EC)ANALYTICAL AND SAMPLING SYSTEM

Figure 12 Partial flow dilution system with flow control and fractional sampling

— DAF dilution air filter (Figures 4 to 12)

It is recommended that the dilution air be filtered and charcoal scrubbed to eliminate background hydrocarbons. The dilution air shall have a temperature of 298 K (25°C) ± 5 K.