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OK - here's the comparison.
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ASM 2525/CURB IDLE TAILPIPE EMISSIONS INSPECTION
June 9/09, odometer at 24,619 km.
Emission ... Limit / Reading @40km/h ... Limit / READING @ idle
HC ppm ........ 66 / 10 ...................150 / 10
CO % ........ 0.37 / 0.0 ................. 0.7 / 0.0
NO ppm ....... 505 / 1 .................... na / na
RPM ............ 2621 ....................... 823
Dilution ... 14.60 / 14.70 (don't know what this is) EDIT: for definition, see post #18.
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Dec. 12/07, odometer at 14,481 km.
Emission ... Limit / Reading @40km/h ... Limit / READING @ idle
HC ppm ........ 66 / 21 ...................150 / 6
CO % ........ 0.37 / 0.01 ................ 0.7 / 0.04
NO ppm ....... 505 / 1 .................... na / na
RPM ............ 1709 ....................... 898
Dilution ... 14.51 / 14.04 (don't know what this is)
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Aug 24/05, odometer at 2,460 km.
Emission ... Limit / Reading @40km/h ... Limit / READING @ idle
HC ppm ........ 66 / 9 ....................150 / 8
CO % ........ 0.37 / 0.00 ................ 0.7 / 0.00
NO ppm ....... 505 / 53 ................... na / na
RPM ............ 1685 ....................... 634
Dilution ... 14.20 / 14.40 (don't know what this is)
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So what does it say? Some emissions are up, some are down. The worst 2007 increase (HC ppm @ 40 km/h) is now @ 32% of its max. allowable.
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