Massachusetts SIP Revision

310 CMR 60.02, the Massachusetts Motor Vehicle Emissions 

Inspection and Maintenance Program

Documentation of IM SIP Revision consistent with 42 USC 

Section 7511a and Section 182 (c)(3)(A) of the Clean Air Act

Table of Contents

EXECUTIVE SUMMARY ..................................................................................................... i

INTRODUCTION .................................................................................................................. 2

1.0 Applicability (51.350)................................................................................................. 3

2.0 Enhanced IM Standard (51.351)................................................................................. 3

3.0 Network Type and Program Evaluation (51.353)....................................................... 7

4.0 Adequate Tools and Resources (51.354) .................................................................... 8

5.0 Test Frequency and Convenience (51.355) ................................................................ 8

6.0 Vehicle Coverage (51.356)......................................................................................... 9

7.0 Test Procedure and Standards (51.357) .................................................................... 11

8.0 Test Equipment (51.358) .......................................................................................... 14

9.0 Quality Control (51.359)........................................................................................... 14

10.0 Waivers and Compliance via Diagnostic Inspection (51.360).................................. 15

11.0 Motorist Compliance Enforcement (51.361)............................................................ 16

12.0 Motorist Compliance Enforcement Program Oversight (51.362)............................. 17

13.0 Quality Assurance (51.363) ...................................................................................... 18

14.0 Enforcement against Contractors, Stations and Inspectors (51.364)........................ 19

15.0 Data Collection (51.365)........................................................................................... 20

16.0 Data Analysis and Reporting (51.366)...................................................................... 20

17.0 Inspector Training and Certification (51.367) .......................................................... 21

18.0 Public Information and Consumer Protection (51.368)............................................ 21

19.0 Improving Repair Effectiveness (51.369)................................................................. 22

20.0 Compliance with Recall Notices (51.370)................................................................ 23

21.0 On-Road Testing (51.371) ........................................................................................ 24

Appendices

Appendix 1..... Contract with Parsons

Appendix 2..... Massachusetts Statutory Authority for IM Program and the 

 Massachusetts IM Regulations (MassDEP/RMV)

Appendix 3..... RMV Regulations 540 CMR 4.0

Appendix 4..... Mobile6 model 4 Input Sources and Files

Appendix 5..... Mobile6 model 4 Output Files

Appendix 6..... Massachusetts IM Motor Vehicle Inspection Trust Fund Legislation

Appendix 7..... Massachusetts IM Program Budget for Fiscal Years 2008 and 2009

Appendix 8......Tables showing Total Vehicles Tested and Exempt by Vehicle Class
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EXECUTIVE SUMMARY

This State Implementation Plan (SIP) revision is required under the Clean Air Act Amendments 

of 1990 and federal regulations, 42 United States Code section 7511a, section 182(c)(3)(A) and 

ensures changes to Massachusetts’ Inspection and Maintenance (IM) program are fully

documented. The structure of this document is consistent with requirements that have been 

established by the United States Environmental Protection Agency (EPA) for IM programs. The 

IM program, designed to identify vehicles that emit pollutants that exceed acceptable standards 

and require such vehicles to get repaired, is an important part Massachusetts’ strategy to attain

and maintain the National Ambient Air Quality Standard for ozone. 

The Massachusetts IM program, which dates back to 1983, has a history of effectively reducing 

vehicle emissions. The IM program has relied on a decentralized network of inspection stations 

that are licensed by the Massachusetts Registry of Motor Vehicles (RMV) to conduct safety and 

emissions tests. Most Massachusetts vehicles receive their inspections at local public stations. 

The program also allows owners of vehicle fleets to purchase testing equipment so they can test 

their own vehicles.

The Massachusetts Department of Environmental Protection (MassDEP) has amended its IM

regulations to be consistent with the current IM program contract, which commenced on October 

1, 2008, and to comply with federal requirements that have been enacted since the regulations 

were last amended.
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INTRODUCTION

This document outlines the Massachusetts Inspection and Maintenance (IM) program with each 

section providing the details on specific elements of the program, followed by citations to the 

statutory and regulatory authority to conduct these specific elements. 

Massachusetts is required to adopt and implement an enhanced inspection and maintenance 

program, pursuant to 42 United States Code section 7511a, section 182(c)(3)(A) of the Clean Air 

Act Amendments of 1990. The current Massachusetts IM program was authorized by the 

Legislature under Chapter 210 of the Acts of 1997. The Massachusetts IM program is jointly

administered by the Department of Environmental Protection (MassDEP) and the Registry of 

Motor Vehicles (RMV). MassDEP’s implementing regulations (310 CMR 60.02) were initially

adopted in January 1999 and amended in 2004. From 1999 through September 30, 2008, the 

program was implemented through a contract with Applus+ Technologies, Inc. and, as of 

October 1, 2008, through a contract1 with Parsons Commercial Technology Group, Inc.

(Parsons). MassDEP and the RMV amended their respective IM regulations to update the 

program and to comply with federal requirements that have been enacted since the regulations 

were last amended. These regulations became effective on September 5, 2008. Due to this 

program change, Massachusetts is revising the state implementation plan (SIP) for submittal to 

the United States Environmental Protection Agency (EPA). 

This SIP revision meets the requirements specified in section 182(c)(3) of the Clean Air Act and 

the federal regulations promulgated thereunder, which require any state with an ozone 

nonattainment area classified as moderate or above to implement an IM program to reduce 

emissions of hydrocarbons (HC) and oxides of nitrogen (NOx) from in-use motor vehicles.

This SIP revision is being submitted in accordance with regulations from 40 Code of Federal 

Regulations (CFR) Part 51. MassDEP and the RMV entered into a contract with Parsons 

Commercial Technology Group, Inc. on January 16, 2008 to implement the current IM program 

beginning October 1, 2008. Under this contract, the IM program continues to deliver inspections 

through a decentralized network of local inspection stations. All vehicles continue to receive an 

annual safety inspection. However, vehicles are now required to receive an annual emissions 

test, rather than the biennial test required under the previous program. The emissions test relies

primarily on an “on-board diagnostic” (OBD) test; the previous program’s use of a dynamometer 

to test tailpipe emissions has been discontinued. In addition, a fifteen year rolling exemption 

replaces the previous fixed year exemption of 1984. The OBD emissions test has also been

expanded to include diesel vehicles. Large diesel trucks and buses not equipped with an OBD 

system will continue to receive an opacity test; the amendments to the MassDEP regulation

lower the opacity cut points for these vehicles. As new medium- and heavy-duty vehicles 

become equipped with OBD systems, they will also be required to obtain an annual OBD 

emissions test. A copy of the contract between MassDEP, the RMV, and Parsons is contained in 

Appendix 1.

 

1 Appendix 1
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1.0 Applicability (51.350)

1.1 Massachusetts IM Program Meeting Federal SIP Requirements

Massachusetts will continue to implement the enhanced inspection and maintenance program 

statewide through a decentralized network of local inspection stations. All vehicles will continue 

to receive an annual safety test. However, the amended regulations require an annual emissions 

test, rather than the biennial test required under the previous program. The emissions test relies

primarily on the OBD test currently used for 1996 and newer vehicles; the previous program’s 

use of a dynamometer to test tailpipe emissions has been discontinued. A fifteen year rolling 

exemption replaces the previous fixed year exemption of 1984. The OBD emissions test has also

been expanded to include diesel vehicles. Large diesel trucks and buses not equipped with an 

OBD system will continue to receive an opacity test; the revised regulations lower the opacity 

cut points for these vehicles. As new heavy-duty vehicles become equipped with OBD systems, 

they will also be required to obtain an annual OBD emissions test. 

1.2 Applicable Documentation for the Massachusetts IM Program

The legal authority for the implementation of the Massachusetts IM Program is included in 

Appendix 2 and contains both the statute and regulations. MassDEP and the RMV have adopted 

regulations for the IM program. RMV regulations (540 CMR 4.00)2govern the day-to-day

administration and operation of the IM program and the MassDEP regulations (310 CMR 60.02) 

establish appropriate emission testing requirements.

2.0 Enhanced IM Standard (51.351)

2.1 Massachusetts IM Program Meeting Federal SIP Requirements

Section 110(n) of the U.S. Clean Air Act (the “savings clause”) states that if a program required 

by the Act is revised, it must maintain at least the emission benefits demonstrated when it was 

first approved into the SIP. EPA requires Massachusetts to implement an IM program due to the 

Commonwealth’s non-attainment status with respect to ground level ozone. The revised 

program maintains level of emission reductions that were demonstrated for the previous IM

program.

MassDEP has modeled the emissions impact of the new program using EPA’s MOBILE6 (model 

input3and output4files) model. In the model, MassDEP assumed a program start date of 

October 2008 and an exemption for vehicles 15 or more model years old. Based on this 

modeling, MassDEP believes the program will achieve the reductions needed for the SIP. 

 

2 Appendix 3

3 Appendix 4, submitted in electronic format

4 Appendix 5, submitted in electronic format
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2.2 Applicable Documentation for the Massachusetts IM Program

The emissions benefits of the new program were compared with those estimated for the previous 

program with biennial emissions testing (transient testing for model year 1984-1995 vehicles and 

OBD testing for model year 1996 and later vehicles). The estimated figures for vehicle miles 

traveled per day by the Massachusetts fleet as a whole that were used to determine the emissions 

figures are shown in Table 1.

Table 1

Estimated Vehicle Miles Traveled Used to Model Air Quality Impacts of Changes in the 

Massachusetts IM Program

2009 2010 2011 2012 2018

Estimated VMT per 

day 149,228,000 149,962,000 150,694,000 151,427,000 155,700,000

Table 2 and the associated graph, Figure 1, show the results of the modeling for 2009 through 

2012, and for 2018 (the final analysis year required by EPA for the 8-hour Ozone SIP). The 

emission figures show the tons per summer day (tpsd) of on-road mobile source emissions that 

would remain if the previous biennial testing program was continued into the future, under new 

annual OBD testing program, and the difference, or delta, between the two.

Table 2

Comparison of Emissions for Current and Proposed IM Programs

Pollutant

2009

(tpsd)

2010

(tpsd)

2011

(tpsd)

2012

(tpsd)

2018

(tpsd)

Previous IM 

Program

VOC 73.61 67.18 61.60 56.32 38.97

NOx 224.7 196.5 170.6 147.7 65.0

CO 1002.1 938.6 885.2 837.8 711.5

New IM 

Program 

VOC 73.78 66.87 61.04 55.86 38.78

NOx 224.0 195.4 169.2 146.4 64.2

CO 1003.7 932.0 872.5 824.9 701.3

Delta = 

Previous -New 

Programs

VOC -0.17 0.31 0.57 0.46 0.19

NOx 0.6 1.1 1.5 1.3 0.7

CO -1.6 6.6 12.7 12.9 10.2
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Figure 1

Emissions Delta Between

Previous and New IM Programs

-0.5

0.0

0.5

1.0

1.5

2.0

2.5

20092010201120122018

Delta (tons per summer day)

VOC

NOx

CO/10

These figures show that an annual OBD program, without transient testing, will result in slightly

more VOC emissions (0.17 tpsd) in 2009 than would be expected if the previous program was 

continued. However, an expected decrease in NOx emissions (0.6 tpsd) leads to a net reduction 

in ozone forming pollutants. While the modeling also shows a slight increase in CO emissions 

(1.6 tpsd) in 2009, the pollutants that are most important for ozone production are NOx and 

VOCs.

For the following reasons, MassDEP believes the program under the new regulations meets the 

requirements of the U.S. Clean Air Act’s savings clause: 

 These results assume no carryover of emission reduction benefits from the transient 

testing program that ended on September 30, 2008. A carryover effect would recognize 

that emissions from most of the vehicles that received a biennial transient test will not 

automatically rise to levels that would result in a failing test immediately at the end of the 

current program, and would allow these benefits to be estimated in the modeling as a 

benefit in the new IM program. Because the MOBILE6 model does not recognize any

carryover effect, it assumes the tailpipe testing benefit ends as soon as the program stops. 

MassDEP believes this is unrealistic. EPA Region 1 has agreed that residual credit from 

the tailpipe testing would make up for the small increase in HC and CO emissions that 

the model predicts in 2009.

 The MOBILE6 model calculates emissions on the basis of complete calendar years, and 

does not allow for testing to begin in October of a calendar year, when annual testing 

under the new program began. Therefore, the model does not account for emission 

benefits that were earned between October 1, 2008 and December 31, 2008.
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 Table 3 below shows that the estimated difference in emissions benefits between the 

previous program and the new program are well within the model’s margin of error. 

MassDEP believes the new program will achieve the reductions needed for the SIP. Specifically, 

in 2009, the 0.17 tpsd difference for VOCs represents less than 0.3% of VOC emissions 

modeled; and the 0.6 tpsd difference for NOx represents an improvement of almost 0.3% of NOx

emissions modeled. For CO, the 1.6 tpsd difference represents less than 0.2% of CO emissions 

modeled. Table 3 shows that the new program will create very close to 100% of the air quality

benefits of the previous program for VOC and CO in 2009, and more than 100% for NOx. 

Table 3

Detailed Comparison of Emissions for 2009

Emissions from Programs Benefit from 

Programs Differences between Programs

2009

No IM 

Program

(tpsd)

Previous 

Program

(tpsd)

New 

Program

(tpsd)

Benefit 

of 

Previous 

Program

(tpsd)

Benefit of 

New

Program

(tpsd)

Delta

Between

Benefits

(tpsd)

Delta

vs.

Current 

Program

Proposed

vs.

Current 

Program

VOC 84.57 73.61 73.78 10.96 10.79 -0.17 0.23% 98.4%

NOx 241.1 224.7 224.0 16.4 17.0 0.6 0.27% 103.7%

CO 1224.9 1002.1 1003.7 222.9 221.3 -1.6 0.16% 99.3%

Table 4 shows that the program’s slight increase in VOC emissions modeled for 2009 over those 

that would have been expected from continuing the previous program will disappear beginning 

in 2010, when the emissions benefits of the annual OBD program are projected to go beyond 

those of the previous program with biennial transient testing.

Table 4

Detailed Comparison of Emissions for 2010

Emissions from Programs Benefit from Programs Differences between 

Programs

2010

No IM 

Program

(tpsd)

Previous 

Program

(tpsd)

New 

Program

(tpsd)

Benefit 

Previous 

Program

(tpsd)

Benefit 

New

Program

(tpsd)

Delta

Between

Benefits

(tpsd)

Delta

vs.

Previous 

Program

New 

vs. 

Previous 

Program

VOC 77.98 67.18 66.87 10.81 11.11 0.31 0.46% 102.8%

NOx 213.0 196.5 195.4 16.5 17.7 1.1 0.56% 106.9%

CO 1160.0 938.6 932.0 221.4 228.0 6.6 0.70% 103.0%
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In addition, Table 2 and its associated graph, Figure 1, show that the emissions of NOx and VOC 

under the IM program will continue to remain below the emissions of the previous IM program 

through 2018, helping Massachusetts to attain the ozone standard over time. While the 

difference between the two programs decreases somewhat after 2011, please note that MOBILE6 

does not allow for any credit from the OBD emissions testing of light-, medium-, and heavy-duty 

diesel vehicles that has already begun phase-in.

3.0 Network Type and Program Evaluation (51.353)

3.1 Massachusetts’ IM Program Meeting Federal SIP Requirements

Since 1983, the program has relied on a decentralized network of inspection stations that are 

licensed by RMV to conduct safety and emissions tests. Most Massachusetts vehicles receive 

their inspections at local public stations. The program also allows owners of vehicle fleets to 

purchase testing equipment so they can test their own vehicles. Under the new regulations, the 

IM program will continue to deliver inspections through a decentralized network of local 

inspection stations. 

The IM program contract requires Parsons to institute an evaluation program consistent with 

EPA regulations. Data are collected as part of the regular data collection system during routine 

testing. MassDEP and the RMV will audit this process, analyze the results, and report this 

information to EPA, as required.

MassDEP and RMV conduct IM program evaluations through an ongoing process to quantify

emission reduction benefits. The evaluation is based on data provided by Parsons and indicates 

whether the program is meeting the emission reduction targets. Program evaluation results have 

been reported to EPA on an annual basis, beginning with the year 2000. The raw evaluation test 

data will also be made available to EPA. The annual and biennial reports for the Massachusetts 

Inspection and Maintenance Program can be found at: 

http://massvehiclecheck.state.ma.us/about_publications.html.

3.2 Applicable Documentation for the Massachusetts IM Program

Authority for the Commissioner of the Department of Environmental Protection to promulgate 

310 CMR 60.02 is found at M.G.L. c.111, §142M and G.L. c.21A, §§2(28) and 16. 310 CMR 

60.02 establishes emissions inspection requirements for vehicles in the Commonwealth. As 

required by 40 CFR 51.366, the contractor prepares and submits, in a form satisfactory to the 

Agencies, data for the annual and biennial program reports.
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4.0 Adequate Tools and Resources (51.354)

4.1 Massachusetts IM Program Meeting Federal SIP Requirements

States are required to document that adequate fees are collected to support the IM programs

according to 40 CFR 51.354. The Massachusetts Motor Vehicle Emissions Inspection and 

Maintenance Program fee is currently set at twenty-nine dollars ($29.00) for an annual combined 

emission and safety test. The money collected from the inspection fees is set aside in a separate 

Commonwealth fund known as the Motor Vehicle Inspection Trust Fund (IM Trust). MGL c.10, 

section 61 established the IM Trust to be used solely for the purposes of the administration and 

implementation of the IM program.

Under the current IM program, $20.50 of the $29 inspection fee is retained by the inspection 

station with the rest deposited by Parsons into the state’s Motor Vehicle Inspection Trust Fund. 

The RMV then pays Parsons $1.74 from the IM Trust for each inspection and the remaining 

money is used to pay for MassDEP and RMV IM program staff and other IM program needs. 

In FY 08 (under the previous IM program contract), the IM Trust acquired approximately $39.9 

million dollars in revenue from inspection fees which was utilized to support overall program 

costs covering necessary equipment and personnel expenditures.

Massachusetts commits to maintaining an adequate staff dedicated to overt and covert auditing, 

data analysis, program administration, enforcement, and the other necessary program functions.

4.2 Applicable Documentation for the Massachusetts IM Program

MGL c.10, section 61 established the IM Trust to be used solely for the purposes of the 

administration and implementation of the IM program5. Pursuant to MGL c. 90, Section 7A, the 

Secretary of Administration and Finance establishes the inspection fee to be charged for the IM 

program emission and safety test. The inspection fee to the motorist is $29. 

Appendix 7 contains budget information for the Massachusetts IM program. The budget 

contains the costs for oversight purposes and demonstrates that the program will maintain the 

funds to cover the costs of necessary administrative resources for several years. 

5.0 Test Frequency and Convenience (51.355)

5.1 Massachusetts IM Program Meeting Federal SIP Requirements

Under the current program, OBD-equipped vehicles in Massachusetts now receive an annual 

OBD emissions test. Vehicles become exempt when they are 15 years old through a rolling 15 

year exemption. Opacity testing requirements have been retained for 1984 and newer diesel 

vehicles over 10,000 pounds GVWR that do not have OBD systems. Opacity testing is also 

required on an annual basis under the new program, however opacity testing has been delayed 

 

5 Appendix 6
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until Summer 2009 to ensure proper test equipment operation. In addition, emissions tests are 

also required upon a change of ownership.

There are approximately 1,600 public inspection stations located throughout Massachusetts in 

order to provide motorists convenient service as required by 40 CFR 51.355. The contract 

requires Parsons to develop a plan to recruit inspection stations to participate in the program if 

directed to do so by MassDEP and the RMV. The purpose of the plan is to ensure that public 

inspection stations for all vehicle classes are sufficiently numerous and dispersed, as determined 

by MassDEP and the RMV. The plan shall include recruiting provisions for any areas identified 

by MassDEP and the RMV as underserved.

5.2 Applicable Documentation for the Massachusetts IM Program

310 CMR 60.02 established annual inspections for OBD and opacity emissions tests. The 

contract with Parsons provides additional documentation on test frequency and convenience. 

These documents demonstrate that the Massachusetts IM program meets the federal 

requirements for test frequency and convenience.

6.0 Vehicle Coverage (51.356)

6.1 Massachusetts IM Program Meeting Federal SIP Requirements

As shown in Table 5, OBD-equipped vehicles in Massachusetts will receive an annual OBD 

emissions test. OBD-equipped vehicles become exempt when they are 15 years old (rolling 15 

year exemption). Opacity testing requirements have been retained for 1984 and newer diesel 

vehicles over 10,000 pounds GVWR that do not have OBD systems.

Table 5 below indicates the vehicles in Massachusetts that receive an OBD emissions test on an 

annual basis or upon change of ownership under the current program.

Table 5

Vehicles That Would Receive an OBD Emissions Test

Vehicle Fuel Gross Vehicle Weight Rating 

(GVWR)

OBD Testing Starting 

with Model Year

Non-diesel Light duty: 8,500 pounds or less 1996

Diesel Light duty: 8,500 pounds or less 1997

Non-diesel Medium duty: greater than 8,500 and 

less than or equal to 14,000 pounds

2008

Diesel Medium duty: greater than 8,500 and 

less than or equal to 14,000 pounds

2007

All Heavy duty: greater than 14,000 

pounds

Phased in as OBD 

systems are required to 

be installed, starting 

with model year 2010 
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The following requirements also apply to OBD-equipped vehicles: 

 Vehicles that fail the emissions test because the malfunction indicator light (MIL) is 

commanded on by the OBD system receive a MIL-on bulb check to verify the MIL is 

functioning.

 When an emissions inspection indicates that a vehicle’s emission control system has been 

tampered with or otherwise altered so that a complete test cannot be performed, the 

motorist is required to present their vehicle to a location designated by MassDEP to 

resolve the issue. 

Heavy-duty diesel vehicles not otherwise subject to an OBD test will continue to be subject to an 

annual snap acceleration smoke test, based on the test specified by SAE J1667, as shown in 

Table 6 below.

Table 6

Vehicles That Would Receive an Opacity Test

Vehicle Fuel Gross Vehicle Weight Rating 

(GVWR)

Opacity Testing 

Starting with Model 

Year

Diesel – registered in 

MA

Vehicles 10,000 pounds or 

more

1984

Diesel – registered in 

any state or country

that operate in 

Massachusetts

Vehicles 10,000 pounds or 

more

All vehicles

In addition, the following vehicles are also subject to an annual emissions test in the 

Commonwealth if they are of the vehicle types shown in Tables 5 and 6:

 Vehicles that are operated by a federal installation within Massachusetts for more than 

sixty (60) days per year;

 Vehicles that are registered to a federal employee stationed at a federal installation within 

Massachusetts for longer than sixty (60) days per year regardless of whether the vehicle 

is registered in Massachusetts; and

 Vehicles that are registered in another state or Canadian province or territory requiring a 

reciprocal emissions inspection in Massachusetts. 

Tables showing the total vehicles tested and exempt by vehicle class are in Appendix 8. 

Provisions governing engine-switching were revised to reflect EPA requirements, to ensure that 

replacement engines are appropriate for the vehicle in which they are installed, and to maintain 

the vehicle’s emissions characteristics. Definitions and other provisions were revised to address 
MA SIP Revision: Table of Contents Item 7 – Documentation of IM SIP Revision consistent 

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assembled and reconstructed vehicles, gray market vehicles, specialty import vehicles, and 

vehicles that have been issued exemptions by EPA or California Air Resources Board (CARB).

Vehicles registered in the Commonwealth of Massachusetts that are primarily operated in 

another IM area are required to document their status using the “Out of State Verification 

Emissions” form (http://www.mass.gov/rmv/forms/21307.pdf) to certify that the vehicle has 

passed the inspection required by the jurisdiction in which the vehicle is currently domiciled or 

that the jurisdiction in which the above vehicle or equipment is currently domiciled lacks an 

inspection program or does not inspect vehicles registered in other jurisdictions. Within fifteen 

(15) days of being returned to the Commonwealth of Massachusetts, the vehicle or equipment 

identified on this form must have a vehicle inspection performed by a Massachusetts vehicle 

inspection station, as required by law. This requirement holds even if the vehicle bears an 

inspection sticker that is still valid in another state.

6.2 Applicable Documentation for the Massachusetts IM Program

310 CMR 60.02 and the contract with Parsons provide the necessary documentation to 

demonstrate that the Massachusetts IM program meets federal requirements for vehicle coverage.

7.0 Test Procedure and Standards (51.357)

7.1 Massachusetts IM Program Meeting Federal SIP Requirements

All vehicles subject to the OBD test are tested using the procedures established by 310 CMR 

60.02. These procedures are based on the test procedures established by EPA for light duty 

vehicles in 40 CFR 85.222, and are generally consistent with EPA’s guidance document, 

“Performing Onboard Diagnostic System Checks as Part of a Vehicle Inspection and 

Maintenance Program” (June 2001). 

The three areas where the MassDEP procedures vary from EPA’s procedures are the bulb check,

readiness, and communication failures. For the bulb check, MassDEP’s procedures require the 

bulb be verified as illuminated when commanded on by the OBD system (key-on/engine 

running, KOER). This will prevent false failures associated with the key-on/engine-off (KOEO) 

bulb check. Vehicles that fail the KOER bulb check must pass a KOEO or KOER bulb check 

when reinspected, as no waivers are issued for bulb check failures. 

For readiness, MassDEP’s procedures require that a vehicle fail its initial test if it would 

otherwise pass but does not meet readiness criteria. A vehicle that would otherwise pass but 

does not meet readiness criteria will not fail its retest, but will be turned away from reinspection: 

a vehicle that does not meet readiness criteria when presented for its retest is considered to not 

have received a retest. A vehicle must still pass an emissions test or receive a waiver within 60 

days of the initial emissions test failure, even if the initial test failure was for readiness. This is 

necessary to preserve the motorist’s right to one free retest following the initial inspection 

failure, whether for safety, emissions, or both. 
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Also, Massachusetts requires that vehicles failing their initial test due to a diagnostic trouble 

code (DTC) for catalytic converter efficiency must have the catalytic converter monitor “Ready” 

before allowing a retest. This requirement was established to verify that catalytic converter 

repairs were effective, and to provide consumer protection against improper or ineffective 

catalytic converter repairs. 

Massachusetts will use alternative test procedures where routine test procedures cannot be 

applied. The alternative test procedures may exclude a vehicle from readiness requirements, or 

may subject the vehicle to only a visual bulb check. These alternative test procedures would 

only be implemented where a systemic problem with the test equipment (not a maintenance 

problem) or with a vehicle or group of vehicles prevents them from completing the normal 

emissions test procedures. 

As part of the IM program evaluation, MassDEP, in partnership with the RMV, will identify

additional vehicle models that are not currently exempted from readiness by Appendix D of the 

guidance document but have 20% or greater not ready rates. Including these vehicles on the 

EPA readiness exemption list for OBD testing is consistent with the intent of Appendix D. 

MassDEP will provide EPA with an updated list of vehicles having readiness issues in 

subsequent program evaluation reports. MassDEP, RMV and EPA recognize the importance of 

maintaining an updated list of vehicles identified as having readiness issues as an important tool 

to provide the operational flexibility needed in state IM programs. Vehicles excluded from 

readiness would still receive a check of the OBD system to determine whether the MIL has been 

commanded on. 

For communication failures, Massachusetts has added a provision to the testing procedures that 

requires the inspector to conduct a “loopback” check of the OBD test equipment. The inspector 

inserts the diagnostic link connector into a receptacle in the test equipment to check the integrity

of the test cable/system. If there is a problem with the cable or test system that is preventing the 

vehicle from communicating with the workstation, the test is aborted. This prevents the vehicle 

from falsely failing the emissions test due to an equipment-related problem. 

Where systemic problems with the test equipment prevent the equipment from completing the 

emissions test, or where problems with a vehicle or group of vehicles (e.g., all of one 

year/make/model, or all of a manufacturer’s model year) prevent completion of the normal 

emissions test procedures, MassDEP will cause the vehicles to receive only a visual bulb check 

to determine pass/fail. 

In cases where there is a systemic problem with the test equipment, the visual bulb check will 

continue only until the problem with the test equipment is corrected. It is anticipated that this 

would be used during equipment rollout, or where an upgrade to the equipment or equipment 

software caused the equipment to no longer function as designed. Once the correction is 

implemented, normal testing would resume. 

In cases where there is a problem with a vehicle (e.g., specific year/make/model) or group of 

vehicles (e.g., all of one manufacturer’s model year), including problems subject to recall but the 
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recall has not been completed, the alternative test would continue until the problem is corrected 

by the manufacturer. 

The alternative test procedures are designed to allow quick operational adjustments to provide 

MassDEP and its contractor, the vehicle manufacturer, or the vehicle owner time to resolve 

unanticipated problems associated with the emissions test, but still identify vehicles in need of 

repair because the MIL is illuminated. This is particularly important in Massachusetts because 

vehicles are subject to emissions testing when one year old. As a result, any OBD performance 

or testing issues are likely to surface here before any other area, and operational adjustments to 

test procedures will be necessary for the program to remain acceptable to the public. 

Opacity testing procedures established by 310 CMR 60.02 will still be based on the procedures 

established by SAE J1667, but are being modified by MassDEP to permit certain fast-pass 

algorithms, to address testing issues where the bandwidth or zero drift requirements of J1667 

preclude completion of testing for a vehicle that obviously meets or exceeds the standards, and to 

incorporate new test equipment designed prevent fraudulent emissions testing. 

Glider kits (vehicles weighing more than 10,000 pounds with a different vehicle body placed 

upon the original chassis) are required to have a visual inspection when they are first registered 

to verify that they were assembled consistently with their configuration certified by EPA or the 

California Air Resources Board (CARB). Some glider kits may be subject to an opacity test, 

based on the model year of the chassis. 

Kit vehicles (unique or replica vehicles with production volume less than 500 vehicles per year) 

are required to have a visual inspection when they are first registered and upon change of 

ownership to verify that they comply with applicable emission control requirements. This is 

consistent with EPA’s policy on kit vehicles. A list of the documentation that must be provided 

for the kit vehicle visual inspection will be posted on the Enhanced Emissions and Safety Test 

Program web site. If the kit vehicle is constructed using a certified configuration subject to OBD 

testing, the kit vehicle will be subject to OBD testing consistent with the model year of the donor 

vehicle. 

7.2 Applicable Documentation for the Massachusetts IM Program

The inspector shall perform emissions inspections in accordance with 310 CMR 60.02 and all 

MassDEP-approved inspection procedures, including all workstation software prompts, at 

inspection stations licensed by the RMV.
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8.0 Test Equipment (51.358)

8.1 Massachusetts IM Program Meeting Federal SIP Requirements

The IM contract requires written test equipment specifications. Each inspection station is

equipped with the necessary equipment for OBD inspections. Inspection stations licensed to 

inspect vehicles over 10,000 GVWR are also equipped to conduct opacity tests.

All test equipment is fully computerized and all processes are automated to the highest degree 

possible. All computerized equipment has lock out features to prevent tampering by 

unauthorized personnel. Parsons’ Field Service Representatives and RMV Field Investigators 

have authorization to clear lock-outs or access the hardware locally or remotely for any purpose 

other than to perform an emissions test and shall be required to enter an access code that 

identifies them personally in order to do so. Test equipment is linked on a real-time basis to a 

central computer. All electronic system integrity checks are performed automatically. 

The Commonwealth or Parsons maintains emissions test equipment to accommodate new 

technology and changes to the program. The test equipment provides the motorist with a test 

record, including the reasons for any test failure, and the name of the inspection station and the 

inspector performing the test. Also, if the vehicle is turned away from testing, the reason for the 

turnaway is included in the record.

8.2 Applicable Documentation for the Massachusetts IM Program

Test equipment standards are included in the contract6and meet the requirements of the OBD 

and opacity testing procedures. 

9.0 Quality Control (51.359)

9.1 Massachusetts IM Program Meeting Federal SIP Requirements

The Commonwealth has taken all steps necessary to meet the applicable IM performance 

standard while ensuring that motorists receive consistent and accurate test results. The contract

directs Parsons to employ reliable equipment, accurate and complete maintenance operating 

procedures, adequate spare parts provisioning, and a competent operations and maintenance 

staff. 

The contract contains the specifications to be used for all testing equipment approved for use in 

the IM program. These specifications include minimum durability and functional requirements 

to ensure accurate measurement, processing, and recording of test samples under a wide range of 

adverse ambient conditions. 

Massachusetts has added a provision to the testing procedures that requires the inspector to 

conduct a “loopback” check of the OBD test equipment. The inspector inserts the diagnostic link 

 

6 Appendix 1
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connector into a receptacle in the test equipment to check the integrity of the test cable/system. 

If there is a problem with the cable or test system that is preventing the vehicle from 

communicating with the workstation, the test is aborted. This prevents the vehicle from falsely 

failing the emissions test due to an equipment-related problem. In addition, the contract requires 

the development of performance specifications for the opacity test equipment. MassDEP is 

developing these in conjunction with Parsons to ensure appropriate equipment calibration

requirements.

Measures have been taken to maintain the security of all documents such as inspection stickers, 

waiver certificates and hardship extensions. Stickers include a unique two-dimensional bar code

that contains relevant vehicle and inspection information. A strict accounting system has been 

created to track all sticker stock including any lost, voided or stolen stickers.

9.2 Applicable Documentation for the Massachusetts IM Program

310 CMR 60.02, the contract with Parsons, and the OBD test procedures address quality control

by requiring that all equipment and instrumentation be maintained in accordance with standards 

provided in 40 CFR 51.358. In addition, performance specifications are being developed for the 

opacity test equipment. Such equipment is subject to both scheduled and unscheduled checks for 

accuracy and condition by MassDEP and RMV staff. 

Document security mandated by 40 CFR 51.359 is implemented pursuant to the requirements of 

the contract with Parsons. Specific details concerning document security have been omitted

from this submittal to ensure that such procedures do not become public knowledge. 

10.0 Waivers and Compliance via Diagnostic Inspection (51.360)

10.1 Massachusetts IM Program Meeting Federal SIP Requirements

The current waiver rate of less than 0.1% of vehicles failing an initial OBD test demonstrates 

that the IM program meets the applicable performance standard of less than one percent of all 

initially failed vehicles. If the waiver rate reported to EPA in the annual report exceeds this rate, 

MassDEP will take corrective actions.

In Massachusetts, Parsons, as a designee of MassDEP and the RMV, is primarily responsible for 

issuing waivers. Parsons, through a network of Motorist Assistance Centers, will: 

 review repair receipts from a certified repair station to verify that the appropriate 

expenditures have been made; 

 verify that only repairs germane to the test failure have been claimed; 

 and verify that repairs have actually been made by visually inspecting the vehicle and 

determine whether the vehicle is eligible for warranty repairs before issuing a waiver. 

MassDEP and the RMV serve as the arbiter for disputes between the motorist and Parsons

regarding waiver eligibility.
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The waiver criteria, requirements and expenditure thresholds for waiver eligibility have been

changed to reflect the following:

 The expenditure thresholds for waiver eligibility was increased, based on increases in the 

Consumer Price Index since the thresholds were originally established in 1989; 

 A three-tiered waiver cost threshold based on the age of the vehicle will continue to be 

used to consider a vehicle for a waiver when repair costs exceed certain amounts;

 Starting in 2010, the new waiver expenditure thresholds will be adjusted annually, based 

on the changes in the Consumer Price Index;

 Eligibility criteria was updated to reflect factors that the program has been using to 

determine waiver eligibility for OBD equipped vehicles;

 Costs associated with certain repairs that are in conflict with the goals of the IM program 

are ineligible for consideration towards the waiver cost limit;

 Only private passenger vehicles are eligible for a waiver.

An Economic Hardship Failure Repair Extension allows a one year extension of the requirement 

to pass an emissions test, for certain non-commercial OBD vehicles. The extension is valid until 

the vehicle’s next inspection and will not be eligible for renewal. A vehicle receiving an 

extension is required to pass its next emissions test. No extensions will be given for inspections 

associated with a change of ownership.

Given the waiver rate commitment, the substantial increase in wavier cost thresholds, the annual 

CPI adjustment to waiver cost thresholds, the prohibition on waivers for commercial vehicles, 

and the prohibition on waivers for vehicles with certain high-emitting characteristics, the 

proposed waiver provisions are at least as effective as EPA’s requirements. 

10.2 Applicable Documentation for the Massachusetts IM Program

310 CMR 60.02 provide for emission waivers and economic hardship failure repair extensions. 

This allows MassDEP to grant emissions waivers for vehicles which fail the emissions

inspection and require an "unreasonable cost of repair" to bring the vehicles into compliance. 

11.0 Motorist Compliance Enforcement (51.361)

11.1 Massachusetts IM Program Meeting Federal SIP Requirements

The RMV will implement an effective form of motorist compliance through a registration 

suspension program. 

In general, the registration suspension enforcement program will work as follows: 

 An "Inspection Required" event will be noted in the Massachusetts Registry of Motor 

Vehicles' Automated Licensing and Registration System (ALARS) for a vehicle for 
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ownership changes or new registrations, a failure to pass inspection, or when an 

inspection sticker expires, all of which trigger a need for an inspection or a reinspection;

 Following an “Inspection Required” event, an "Enforcement Event" will be created in 

ALARS;

 Thirty days after the "Enforcement Event," a "Warning Letter" will be issued notifying 

the registered owner that a suspension will be imposed on the non-compliant vehicle 

unless compliance with the emissions inspection requirements are obtained;

 Thirty days after the "Warning Letter" is issued, the registration suspension will be 

imposed. 

The registration suspension can only be removed after compliance with the inspection 

requirements and payment of a reinstatement fee. 

The only variance from the suspension enforcement program will occur if it is determined that an 

unreasonable number of registered vehicles are being misidentified as requiring an inspection, 

when in fact the vehicles have met the inspection requirements. To avoid suspending 

registrations of compliant vehicles unreasonably and without cause, the registrar reserves the 

right to place the enforcement program in suspension until the problem causing the misidentified 

vehicles has been identified and corrected. 

11.2 Applicable Documentation for the Massachusetts IM Program

In Massachusetts, IM registration enforcement is provided for in 540 CMR 4.017. This allows

the Registrar of Motor Vehicles to suspend the registration of non-complying vehicles failing to 

meet the requirements of the safety and emissions test. 

12.0 Motorist Compliance Enforcement Program Oversight (51.362)

12.1 Massachusetts IM Program Meeting Federal SIP Requirements

MassDEP and the RMV will permit EPA to conduct periodic audits of the state's IM

enforcement program.

12.2 Applicable Documentation for the Massachusetts IM Program

The legal authority for the implementation of the IM program is M.G.L c 111, Section 142 M. 

This law provides authority to MassDEP and the RMV to enter into a contract to provide for 

program oversight elements. 

The contract meets the extensive and complex data control requirements required by EPA’s IM

program regulations to enable efficient oversight of the motorist compliance enforcement 

program. 

 

7 Appendix 3
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13.0 Quality Assurance (51.363)

13.1 Massachusetts IM Program Meeting Federal SIP Requirements

The program’s quality assurance program consists of overt and covert performance audits, digital 

audits on station and inspector performance, and equipment audits. 

In accordance with 40 CFR 51.363, the Massachusetts program performs overt and covert 

performance audits. Overt and covert audits include sufficient record keeping to support the 

imposition of enforcement actions based on audit findings. RMV IM program staff will continue 

to perform the overt audits on the inspection stations and will also perform the equipment audit 

on the workstations. RMV auditors shall be familiarized with applicable quality assurance 

procedures.

Overt audits will include: a check of document security; record keeping practices, certifications 

and required display information; observation and written evaluation of each inspector's ability

to perform the test procedure; and a quality control evaluation of test equipment. Test records 

are reviewed electronically once a month and by workstation to flag statistically inconsistent or 

improbable results.

Parsons will perform the covert visual and vehicle audits. They will perform 889 covert visual 

audits during the 12 month period beginning October 1, 2008 and 1778 covert visual audits per 

12 month period for the subsequent four 12 month periods beginning October 1, 2009, during 

times of the year that stations are likely to perform inspections that can be observed from outside 

the station. Parsons will perform 667 covert vehicle audits for the 12 month period beginning 

October 1, 2008 and 1333 covert vehicle audits per 12 month period for the subsequent four 12 

month periods beginning October 1, 2009. Parsons will be responsible for procuring and 

preparing the covert audit vehicles, and performing and documenting the audit. The number and 

type of vehicles will be sufficient to cover all OBD communication protocols, and a variety of 

weight classes. Covert auditors will be trained in accordance with procedures identified in the

Covert Operations Manual.8

MassDEP, RMV and Parsons will develop a comprehensive set of trigger reports to identify

workstations performing fraudulent or inaccurate inspections. Trigger reports focus on finding 

the types of fraud in an OBD testing program including Clean Scanning (performing an OBD 

test on a fault-free vehicle instead of the vehicle that should be tested) and other forms of fraud 

as they are discovered. These reports will be generated daily and/or weekly to identify

workstations performing improper inspections. Results will be shared with MassDEP and the 

RMV on a regular schedule.

 

8 The Covert Operations Manual is an enforcement sensitive document and as such has not been included as an 

appendix to this submittal.
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13.2 Massachusetts IM Program Meeting Federal SIP Requirements

The contract with Parsons addresses quality assurance items mentioned above. Document 

security mandated by 40 CFR 51.359 is implemented pursuant to the requirements of the 

contract with Parsons. Specific details concerning document security have been omitted from 

this submittal to ensure that such procedures do not become public knowledge. 

14.0 Enforcement against Contractors, Stations and Inspectors (51.364)

14.1 Massachusetts IM Program Meeting Federal SIP Requirements

MassDEP and the RMV have authority to take enforcement actions against stations and 

inspectors. All records of enforcement activities, including warnings, fines, suspensions, 

revocations, and other notices of violation will be maintained.

The RMV is in charge of station and inspector licensing. 540 CMR 4.00 allows the Registrar to 

suspend, revoke, deny or refuse to renew a license to an inspector or station. Retraining may

also be required.

In the case of inspector incompetence, the inspector, if not discharged, is required to be retrained 

and must successfully demonstrate the ability to perform the test procedure prior to the 

restoration of testing privileges. For cases of inspector violations resulting from factors other 

than incompetence, the inspector shall, at a minimum, be suspended from testing for a period of 

time. Such suspensions shall increase with the severity and frequency of violation, leading 

ultimately to permanent certification revocation and enforcement action.

Auditors are authorized to temporarily suspend a workstation or test inspector upon finding a 

violation of program requirements or equipment failure. 

14.2 Applicable Documentation for the Massachusetts IM Program

The Department may impose a penalty against an inspection station for any violation of 310 

CMR 60.02 at that inspection station. The Department may impose a penalty against any person 

for any violation of 310 CMR 60.02. Any person who violates any provision of G.L. c.111, 

§142M or 310 CMR 60.02 shall be subject to a civil or administrative penalty or fine or 

imprisonment pursuant to G.L. c.111, §142M and c.21A, §16. Each day or portion thereof on 

which a violation occurs or continues shall be deemed a separate violation. Whenever the 

Department seeks to assess a civil administrative penalty pursuant to G.L. c.21A, §16, G.L. 

c.111, §142M and 310 CMR 60.02, the person who would be assessed the penalty shall have the 

right to an adjudicatory hearing. Any request for an adjudicatory hearing thereon shall be made 

in accordance with G.L. c.21A, §16, and 310 CMR 5.00. Appendix 3 contains the full text.
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15.0 Data Collection (51.365)

15.1 Massachusetts IM Program Meeting Federal SIP Requirements

Massachusetts’ IM program data management is collected and managed by Parsons while the 

Commonwealth of Massachusetts owns the data.

All data and reporting requirements are collected and retained within the Vehicle Inspection 

Database (VID). VID data collected include, but are not limited to: test record number; 

inspection workstation number; inspector identification number; date of the test; emission test 

start time; the time final emission pass/fail is determined; vehicle identification number; license 

plate number; test certificate number; GVWR; model year, make and vehicle type of each 

vehicle tested; number of cylinders/engine displacement and transmission type for transient 

emission tests; odometer reading; category of test performed, (i.e., initial, first or second re-test); 

vehicle fuel type; type of preconditioning performed, if applicable; emission test sequences used; 

emission malfunction codes; or the results of an alternative test as approved by the EPA

Administrator.

In order to ensure collection of accurate data, the contract directs Parsons to perform major 

upgrades in their current VID systems. This could include upgrading both hardware and 

software to state of the art, if such update is required to maintain the performance and 

functionality of the VID system, or any component thereof.

15.2 Applicable Documentation for the Massachusetts IM Program

Pursuant to the contract with Parsons, MassDEP and the RMV are authorized to require 

summary reports and documentation regarding emission inspections and program reporting 

requirements. The contract directs Parsons to meet the requirements of 40 CFR 51.365 and all 

other data collection and reporting requirements imposed by EPA.

16.0 Data Analysis and Reporting (51.366)

16.1 Massachusetts IM Program Meeting Federal SIP Requirements

MassDEP and the RMV, in cooperation with Parsons, will submit to EPA, reports containing 

summary data based upon program activities taking place in the previous test cycles. These

reports will provide statistics for the testing program, the quality control program, the quality

assurance program, and the enforcement program.

MassDEP and the RMV will report on all changes made in the program design, funding, 

personnel levels, procedures, regulations, and legal authority. The reports will also detail and 

discuss any weakness or problems discovered in the program over the previous year. In addition 

the reports will discuss the steps that were taken to address those problems, the result of any 

corrective actions, and any future efforts planned. The reports must meet the timeframes and 

contain all the information required by 40 CFR 51.366.
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16.2 Applicable Documentation for the Massachusetts IM Program

The contract requires data analysis and reporting to allow for monitoring and evaluation of the 

program. This reporting requirement is the responsibility of Parsons. The reporting requirement 

shall be a component of a QA/QC Plan within the contract. Parsons is required to communicate 

the required data to MassDEP and the RMV.

17.0 Inspector Training and Certification (51.367)

17.1 Massachusetts IM Program Meeting Federal SIP Requirements

All program inspectors receive MassDEP-approved training. They are then certified by 

MassDEP and licensed by the RMV to perform inspections. Inspectors are required to receive

recertification training every two years prior to renewal of certification. Inspectors must apply

annually to RMV to renew their license to perform inspections. MassDEP may require 

inspectors to obtain additional training and pass additional exams prior to renewing their 

certifications if it determines that such training and examinations are necessary to accommodate 

changes in the test equipment, changes in test procedures, or other changes in the IM program. 

Parsons trains the inspectors and tracks the inspector certifications. Training includes all of the 

elements required by 40 CFR 51.367. Inspector candidates will not be certified unless they have 

passed a written test. The contract requires Parsons to prepare and submit an inspector training 

plan for MassDEP and RMV review and approval.

17.2 Applicable Documentation for the Massachusetts IM Program

MassDEP and the RMV have adopted administrative regulations for the IM program that include 

inspector training and certification requirements at 310 CMR 60.02 and 540 CMR 4.00. The 

contract requires Parsons to prepare and submit an inspector training plan for MassDEP and 

RMV review and approval.

18.0 Public Information and Consumer Protection (51.368)

18.1 Massachusetts IM Program Meeting Federal SIP Requirements

Communication with motorists will occur throughout the duration of the program to ensure that 

vehicle owners have the information they need to comply with program requirements and to 

address their questions and complaints effectively and efficiently. 

The program web site is designed to provide basic program information to motorists, the general 

public, inspectors, and repair technicians. It also provides specific information to inspectors and 

repair technicians that will facilitate their work in the program. The web site provides the public 

and industry audiences with ready access to program regulations, reports, information on 
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program changes and new components, and other information deemed useful to its audiences. 

Parsons also maintains an inspection station locator which allows motorists to search for an 

inspection station and a ‘vehicle failure trend lookup’ on the program website.

“Point of Sale” collateral material has been designed, produced, and distributed to provide 

motorists with information concerning the inspection process and registration suspensions. The 

Vehicle Inspection Report (VIR) provided to the motorist at the end of the inspection shows the 

possible causes of emissions failures and provides the motorist with a list of the ten closest 

registered repair facilities.

Parsons is responsible for responding to motorists' general questions and concerns regarding the 

program quickly and effectively through a telephone hotline and electronically via the website. 

All calls and emails are managed, tracked, and analyzed. 

The Massachusetts IM program also contains a challenge mechanism by which a vehicle owner 

can contest the results of an inspection. (http://www.mass.gov/rmv/forms/21413.pdf)

18.2 Applicable Documentation for the Massachusetts IM Program

The public education and consumer protection program elements outlined in and implemented by

the program contract provided in Appendix 1. The Massachusetts IM program website can be 

found at http://massvehiclecheck.state.ma.us/.

19.0 Improving Repair Effectiveness (51.369)

19.1 Massachusetts IM Program Meeting Federal SIP Requirements

MassDEP agrees that effective repairs are the key to achieving program goals and will take steps 

to ensure the capability exists in the repair industry to repair vehicles that fail IM tests. The 

program maintains an existing list of registered repairers and is working with Parsons to revise 

and update the training to meet the requirements of the new program. 

Parsons is collecting information on emissions repairs made on failed vehicles prior to (or at the 

time of) re-inspection. They are developing forms that make data entry by registered repairers 

easy on line and to help ensure the quality of repair information. This information will identify

the technician, the shop that performed the repairs and the cost of repairs (cost information will 

be for agency use only). In those cases where the emissions repair information was not entered 

on line prior to re-inspection, the workstation software will automatically prompt the inspector to 

enter emissions repair information, regardless of whether the repairs were performed by a 

registered repairer. The workstation will send the emissions repair information to the database. 

Parsons is working with the MassDEP to revise and improve an emissions repair index for the 

listed repair shops (revisions to the current five-star rating system). The index will rate most 

highly the shops with the greatest success at repairing vehicles. The index will be weighted to 
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emphasize improvement in a repair shop’s success rate over time. The index will be updated as 

repair shops provide updates, and incorporated into the repair shop information in the database. 

Parsons maintains a directory of the ten closest registered repair shops to each inspection station, 

including their emissions repair indices. That list is provided to each motorist whose vehicle 

fails the emissions test when the workstation automatically generates this directory when printing 

an emissions failure report. A motorist, using the program website is also able to access a

directory of registered repair shops in any queried municipality of the Commonwealth.

Parsons will provide convenient means for registered emissions repair technicians to bring 

problems, questions, and suggestions concerning any aspect of the program to their attention for 

resolution in a timely manner. Such means include (but are not limited to): a telephone hotline; a 

quarterly newsletter; and the program web site. Parsons will take steps to inform inspectors and 

technicians about the resources available to them, including training, registration, Motorist 

Assistance Centers, the hotline, and the newsletter.

19.2 Applicable Documentation of the Massachusetts IM Program

MassDEP’s IM program regulations include requirements for becoming a registered repair

technician at 310 CMR 60.02. The contract requires Parsons to prepare and submit a registered 

repairer training plan for MassDEP review and approval. A current list of registered repair shops 

in the Commonwealth can be found on the program’s website9.

20.0 Compliance with Recall Notices (51.370)

20.1 Massachusetts IM Program Meeting Federal SIP Requirements

MassDEP reiterates its commitment to pursue compliance with EPA’s recall requirements as 

soon as EPA establishes the national database for accessing unresolved recall information based 

on VINs. It is our understanding that access to this information will be free of charge to states 

and motorists. In the interim, the program website currently provides information on emissions 

and safety recalls of an advisory nature to inspectors, repair technicians and motorists based on 

Technical Service Bulletins and other readily available databases for information.

20.2 Applicable Documentation for the Massachusetts IM Program

The contract with Parsons and the program’s website provide the necessary documentation to 

demonstrate Massachusetts’ commitment to this requirement.

 

9

http://massvehiclecheck.state.ma.us/find_emissions_repair.html
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21.0 On-Road Testing (51.371)

21.1 Massachusetts IM Program Meeting Federal SIP Requirements

The use of remote sensing or road side emissions measurement is not an accurate way to 

determine if OBD systems are operating correctly. The contract with Parsons includes the option 

for pilot testing of remote emissions testing technologies when these technologies are 

demonstrated to be reliable.

21.2 Applicable Documentation for the Massachusetts IM Program

The contract includes the option for pilot testing of remote emissions testing technologies when 

these technologies are demonstrated to be reliable.