SIP - ALASKA - 18 AAC 52.050 | Region 10 | US EPA

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SIP - ALASKA - 18 AAC 52.050

18 AAC 52.050. EMISSIONS STANDARDS.

(a) For a vehicle to pass an I/M program inspection, it must

(b) A vehicle that does not meet the requirements of 40 C.F.R 85.2207, as revised as of July 1, 1998, adopted by reference, fails the OBDII check.

(c) A motorist whose vehicle has a missing, modified, disconnected, improperly connected, or defective emissions-related part shall repair the vehicle as required under 18 AAC 52.015 and 18 AAC 52.065.

(d) Unless an implementing agency imposes an alternative standard under 18 AAC 52.055, the standards set out in this section and illustrated in Figure 3 in Part IV, g. and Appendix B of the program manual may not be exceeded in an I/M area.

(e) For LDGVs as defined in Table 1 of 18 AAC 52.037(b), emissions standards for carbon monoxide, expressed as the percentage of carbon monoxide in the undiluted exhaust, are as follows:
(f) For LDT1 and LDGT2s as defined in Table 1 of 18 AAC 52.037(b), emissions standards for carbon monoxide, expressed as the percentage of carbon monoxide in the undiluted exhaust, are as follows:
(g) For HDGVs as defined in Table 1 of 18 AAC 52.037(b), emissions standards for carbon monoxide, expressed as the percentage of carbon monoxide in the undiluted exhaust, are as follows:
(h) For LDGVs, LDGT1s, and LDGT2s as defined in Table 1 of 18 AAC 52.037(b), emissions standards for hydrocarbons, expressed as the concentration of hydrocarbons in the undiluted exhaust, are as follows:
(i) For HDGVs as defined in Table 1 of 18 AAC 52.037(b), emissions standards for hydrocarbons, expressed as the concentration of hydrocarbons in the undiluted exhaust, are as follows:
(j) Each rotor of a rotary engine is the equivalent of one cylinder in determining the applicable emissions standards under this section.

(k) Except as provided in (l) of this section, a model year 1975 or newer vehicle equipped with an engine other than the engine originally installed by the manufacturer or an identical replacement of that engine must meet the following requirements to qualify for a certificate of inspection under this chapter:
(l) Instead of meeting the requirements of (k) of this section, a motorist may submit the results of an emissions test performed on a vehicle described in (k) using the FTP or an alternate loaded mode mass emissions test procedure approved by the department. The implementing agency shall issue a certificate of inspection after receiving adequate proof that the vehicle has a mass emissions rate that is the same as, or lower than, the engine-chassis configuration originally installed in the vehicle.

Editor’s note: Listings of EPA-approved engine-chassis combinations are set out in a
publication entitled Federal Certification Test Results for 19__ [the publication is model-year
specific] Model Year for each vehicle model year of interest and may be purchased from the
United States Department of Commerce, National Technical Information Service, 5285 Port
Royal Road, Springfield, VA 22161, telephone (703) 487-4600, (703) 487-4650, or
(800) 553-6847 (sales).
State effective: 12/30/00; EPA effective: 3/11/02


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URL: http://yosemite.epa.gov/r10/airpage.nsf/SIPs/ALASKA/SIPAlaska52.050

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