Wisconsin Administrative Code
Department of Transportation
Chapter Trans 131 - Motor Vehicle Inspection And Maintenance Program (MVIP)
Section Trans 131.14 - Remote sensing
Current through February 26, 2024
(1) GENERAL. The contractor shall use remote sensing to measure the in-use vehicle emissions in any county identified under s. 110.20(5), Stats. Any nonexempt vehicle that has passed its last emission reinspection under s. Trans 131.03(11), and fails the remote sensing test by exceeding the remote emission standards under sub. (4), shall have an emission inspection under s. 110.20(9) (g), Stats. Penalty for failure to comply with this section consists of suspension of vehicle registration as set forth in s. 341.63(1) (e), Stats.
(2) WHEN INSPECTION REQUIRED.
(3) SCOPE AND NATURE OF REMOTE SENSING TEST. The test shall consist of using an open-path infrared sensor to measure the concentration of one or more of the following pollutants present in the vehicle's exhaust:
(4) EMISSION STANDARDS. Vehicles that exceed the standards shown in Table 1 shall fail the remote sensing test:
TABLE 1
MODEL YEAR |
GVWR |
REMOTE SENSING STANDARD |
||
HC(ppm) |
CO(%) |
NOx(%) |
||
1996 and newer |
All |
400 |
2.0 |
Reserved |
Note: Changes to these standards may occur either if the USEPA establishes remote sensing standards or if the department's program evaluation indicates that modifications should occur to identify more accurately gross polluting vehicles.
(5) VEHICLE INSPECTION NOTICE. The contractor shall mail a vehicle inspection notice to the owner or lessee of vehicles that fail a remote sensing test conducted under this section. The vehicle inspection notice shall be mailed to the owner's or lessee's address indicated on the department's registration database. The vehicle inspection notice shall include all of the following:
(6) REMOTE SENSING EQUIPMENT SPECIFICATIONS AND MAINTENANCE.