Table 1 b. -Tier 4 Exhaust Emission Standards

? 2423. Exhaust Emission Standards and Test Procedures - Off-Road Compression-Ignition Engines.

(a) This section shall be applicable to new heavy-duty off-road compression ignition engines, produced on or after January 1, 1996, and all other new 2000 and later model year off-road compression-ignition engines. For the purposes of this section, these engines shall be called "compression-ignition engines."

(b )(1 )(A) Exhaust emissions from new off-road compression-ignition engines, as sold in this state and as appropriate based on model year and maximum rated power, shall not exceed the levels contained in Table 1a with respect to steady-state testing. Table 1a follows:

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Table 1a. - Tier 1, Tier 2, and Tier 3 Exhaust Emission Standards (grams per kilowatt-hour)

Maximum Rated Tier Power(kWJ 1

Model Year NO/ HG' NMHC+ CO" PM" NO/

kW ................
................

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