State Regulations
![arizona-nylon.png](https://static.wixstatic.com/media/92c72b_d91c3c63f11e49c5b55e87d3dae0cea6~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/arizona-nylon.png)
Arizona
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
Pilot Program March 2002 for Roadside testing >10000 pounds
40%/50%
Loaded Test Cutpoints: 0-2000 ft =20% 2000-4000 ft =30% 4000 ft and above = 40%
Yearly
SAE J1667
> 8500 lbs.
Maricopa and Pima Counties
N/A
![ca-nylon.png](https://static.wixstatic.com/media/92c72b_3f715ec979b14398b22832512c22b941~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/ca-nylon.png)
California
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
July 1, 1998
40%/55%
Annually
Roadside/Random
SAE J1667
LDDV
HDDV
Self-Inspection
$800
Second $1,800
![colorado-nylon.png](https://static.wixstatic.com/media/92c72b_31bfb1fec3fa40ffb93dea3cba468e13~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/colorado-nylon.png)
Colorado
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
1987
40/35/20
Annually, Front Range Only
Reg. 18
LDDV
HDDV
Stations /
Self-Inspection
LDDV $750
HDDV $1,500
![connecticut-nylon.png](https://static.wixstatic.com/media/92c72b_c20d8b2b6be3464f95178ae1f499fa8b~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/connecticut-nylon.png)
Connecticut
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
May, 1999 Roadside enforcement in effect
40/55/70
Roadside, random
SAE J1667
LDDV
HDDV
weigh stations for heavy duty, inspection centers for light duty
$300 first violation, $500 for 2nd. 45 days to repair, if no proof presented, then registration suspension starts
![idaho-nylon.png](https://static.wixstatic.com/media/92c72b_ccd2401ad1cf4531b727d94b4c531049~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/idaho-nylon.png)
Idaho
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
July 1, 2000
N/A
N/A
N/A
LDDV
HDDV
N/A
N/A
![illinois-nylon.png](https://static.wixstatic.com/media/92c72b_5709dedc79be498a883071f7d64a9701~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/illinois-nylon.png)
Illinois
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
July 1, 2000
40/55
Annually
SAE J1667
HD
Centralized
N/A
![maine-nylon.png](https://static.wixstatic.com/media/92c72b_978a60e7399d46228c0978c464e1e31a~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/maine-nylon.png)
Maine
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
Legislation passed, penalties began in Jan. 1, 2000
40/55 proposed
Roadside, random
SAE J1667
>18,000 lbs
Roadside
$200 1st violation, $500 2nd violation. No fine if repairs made within 30 days.
![maryland-nylon.png](https://static.wixstatic.com/media/92c72b_3c7859ad819d41cd99cb1f33976b9309~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/maryland-nylon.png)
Maryland
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
July 1, 2000
40/55
roadside
SAE J1667
> 10,000 lbs.
Discretion of state police
$1,000 penalty issued if excess smoke not repaired within 30 days. After 30 days, registration suspension starts.
![massachusetts-nylon.png](https://static.wixstatic.com/media/92c72b_0430ae240c104c80a6cf53f92078cd4a~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/massachusetts-nylon.png)
Massachusetts
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
September, 2000
40/55
30/40 for buses
random roadside and biennial
SAE J1667
> 10,000 lbs. (also light duty)
weigh stations and licensed inspection centers
$100 1st violation (60 days), $700 2nd, $1,300 3rd for roadside, For periodic, vehicles must pass inspection to renew registration
![nevada-nylon.png](https://static.wixstatic.com/media/92c72b_166ff0c68f754a71a58673b71c24d54b~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/nevada-nylon.png)
Nevada
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
N/A
70
Random Roadside
SAE J1667
LDDV ,8500
HDDV,
< 8500
N/A
$850
![newhampshire-nylon.png](https://static.wixstatic.com/media/92c72b_f21b23f6daf84e92a83806bfb492ad0c~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/newhampshire-nylon.png)
New Hampshire
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
1999
40/55
Random Roadside
SAE J1667
>10,000
weigh stations
$100 1st violation (60 days), $300 2nd, $500 3rd
3rd violation w/in one year becomes a criminal offens
![newjersey-nylon.png](https://static.wixstatic.com/media/92c72b_589eb94f212c46949427410e7ac7b3b0~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/newjersey-nylon.png)
New Jersey
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
September 1997
40/55/70
and 30/40 for buses
random roadside, biennial for periodic
AE J1667 w/ RPM & oil temp, use of rolling and stall test
>18,000 lbs
weigh stations for roadside, inspection centers for periodic
$700 1st violation $1,300 2nd violation. First violation reduced to $300 if repaired within 45 days.
![newyork-nylon.png](https://static.wixstatic.com/media/92c72b_88adf031b39640ac9fac27315f35c6a4~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/newyork-nylon.png)
New York
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
June, 2000
40/55/70
30/40 for buses
Roadside for all of NY state and annual NY City (5) Westchester, Rockland, Nassau, Suffolk
SAE J1667
>8,500 lbs
Weigh stations and roadside; inspection centers for periodic
$700 1st violation, $1,300 2nd violation. First violation reduced to $150 and second to $500 if vehicle passes a smoke test within 30 days.
![ohio-nylon.png](https://static.wixstatic.com/media/92c72b_11a114d1f9724610b205dd236cfe91d1~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/ohio-nylon.png)
Ohio
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
2001
40/55/70
Bus Fleets Only
SAE J1667 (4x4)
Others dyno
LDDV >10,000
N/A
$100 older models
$200 newer models
![rhodeisland-nylon.png](https://static.wixstatic.com/media/92c72b_2a4b315563314c0fa531cab72c800edb~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/rhodeisland-nylon.png)
Rhode Island
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
Pilot completed
40/55 anticipated
N/A
SAE J1667 anticipated
N/A
N/A
N/A
![utah-nylon.png](https://static.wixstatic.com/media/92c72b_44e8777c9b284281b2656f39086c1bd6~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/utah-nylon.png)
Utah
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
Salt Lake City Area
70% HDDV
40% LDDV
Self-testing plus stations
SAE J1667
HDDV
LDDV
Depends on county
N/A
![vermont-nylon.png](https://static.wixstatic.com/media/92c72b_5db9c05ce4e74bd79cfb6c5b10288b78~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/vermont-nylon.png)
Vermont
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
Pilot completed
40/55 anticipated
N/A
SAE J1667
N/A
N/A
N/A
![washington-nylon.png](https://static.wixstatic.com/media/92c72b_a724425460754df1ab487ea6535b232d~mv2.png/v1/fill/w_72,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/washington-nylon.png)
Washington
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
August 1993
70/60/50
Biannual for private, annual for governmental
SAE J1667
All 1968 and newer
Self-inspection
$100 older than 1980
$150 1981 and newer
![Unknown.png](https://static.wixstatic.com/media/92c72b_a90d4d01d7a644778d4c4812e2b82000~mv2.png/v1/fill/w_120,h_72,al_c,q_85,usm_0.66_1.00_0.01,blur_3,enc_auto/Unknown.png)
BC/Canada
Program Status
Test Frequency
Test Method
Vehicle Weight
Testing Site
Enforcement/ Penalty
Cut Points % Opacity
May 1999
HDDV 40/55
LDDV 20/10/5
Random w/roadside vans
SAE J1667
Testing of visible emitters
Roadside
Forced repairs within 30 days, or denial of license/insurance