State of California AIR RESOURCES BOARD Junipero Serra State Bldg. 107 South Broadway Room 1137 Los Angeles, CA September 19, 1973 AGENDA 73-21-1 Approval of Minutes of August 15, 1973 Meeting. 73-21-2 Follow-up Report on NOx Control Devices. A. Test Results of Modified NOx Control Devices. B. Contignitron's Plan for Disposition of Unmodified Devices. C. Revised Staff Report Concerning Air Quality Products' Kar-Kit. 73-21-3 Public Hearing - Oxides of Nitrogen Control Device Test Procedures for 1966 through 1970 Model Year Vehicles. 73-21-4 Public Hearing - Oxides of Nitrogen Control Installation Schedule for 1966-70 Model Vehicles. 73-21-5 Report on Low Emission Vehicles for the 1974 Model Year. 73-21-6 Report of progress and Problems Concerning Standards and Approval of 1975 Heavy-Duty Gasoline & diesel Powered Vehicles. 73-21-7 Summary of 1974 New Car Approvals. 73-21-8 Other Business. 73-21-9 Remarks from Audience - End of Morning and Afternoon Session. ITEM NO.: 73-21-2A Test Results of Modified NOx Control Devices. RECOMMENDATION None. This is an informational report. SUMMARY This is a report of tests conducted by the Air Resources Board Laboratory on NOx control devices modified to meet the additional test criterion promulgated by Resolution 73-27-C. This resolution stipulates that devices using a significant amount of spark retard for NOx control shall have positive protection against sustained spark retard above 60 mph. The devices submitted by the manufacturers for testing were 66-70 Pure-Power (Air Quality Products, Inc.), CER (Carter Carburetor Division), Model 44-8 (Contignitron Company) and STP (STP Corporation). All of the modified devices met the additional criterion of protection against high speed spark retard and were effective at 55 mph. The modified device manufactured by Contignitron Company produced NOx reductions of 40.7%. This is less than the NOx reduction standard of 42%. However, it is the opinion of the staff that the NOx standard would have been met if a larger fleet of vehicles had been tested. ITEM NO.: 73-21-2B Contignitron Company's Proposed Modification Program for Its NOx Control Device. RECOMMENDATION Approve the proposed Contignitron program. SUMMARY At its August 15, 1973 meeting, the Board deferred action on Contignitron Company's proposed modification of its NOx device promulgated by Resolution 73-27-C. Action was deferred because of the lack of information concerning Contignitron's plan to dispose of unmodified devices in its distribution system. A copy of Contignitron Company's device modifications previously submitted at the August 15, 1973 board meeting and its hardware disposition plan are attached to this report. ITEM NO.: 73-21-2C Air Quality Products, Inc., Approved Modifications to the Accredited Kar-Kit Oxides of Nitrogen Control Device to Minimize Adverse Spark Retard Effects. RECOMMENDATION Approve Air Quality Products' Modified Kar-Kit NOx Device. SUMMARY This report revises the staff report presented at the July 18, 1973 Board meeting covering the evaluation of modifications proposed by Air Quality Products, Inc., to the accredited Kar-Kit oxides of nitrogen control device to provide positive protection against sustained spark retard above 60 mph, while still being effective at 55 mph. The modifications consists of displaying a decal on the speedometer warning the user against sustained high speed, other informational decals, and revisions to the owner's manual. The approved modified Kar-Kit device utilizes VSAD and basic timing retard for the control of oxides of nitrogen. Air Quality Products has requested that the exclusion of certain Chevrolet engines from usage with the approved device no longer apply and that these engines be deleted from the list of exempted vehicles. Air Quality Products has been notified of the Board's intention that the modifications be applied to the Kar-Kit NOx control devices currently in its distribution system. Air Quality Products was requested to submit a plan to the staff for the disposition of this hardware by September 14, 1973. The Board has determined that a speed warning satisfies the intent of Resolution 73-27-C. The staff recommends approval of Air Quality Products proposed modifications. ITEM NO.: 73-21-3 Public Hearing - Oxides of Nitrogen Control Device Test Procedures for 1966 through 1970 Model Year Vehicles. RECOMMENDATION Adopt motion confirming previous Board action. SUMMARY At the July 17, 1973 meeting, the Board adopted, on an emergency basis, Resolution 73-39, amending Section 2005, Title 13, Administrative Code and revising the Oxides of Nitrogen Control Device Test procedures. The resolution was adopted without a public hearing. Section 11422.1 of the Government Code allows the emergency finding to remain in effect for only 120 days. A copy of the Public Hearing Notice, Resolution 73-39, and the amended NOx control device test procedures are attached to this report. ITEM NO.: 73-21-4 Public Hearing - Oxides of nitrogen (NOx) device installation schedule for 1966-70 model-year vehicles. RECOMMENDATION Commence change of ownership schedule in the San Diego, South Coast and Bay Area Air Basins on October 1, 1973 by confirming the emergency regulation filed in June. SUMMARY At the June 7, 1973 Board meeting, the Board took emergency action delaying the installation of oxides of nitrogen (NOx) devices. The Executive Officer filed emergency regulations to carry out the change. The regulations indicated that the program would start in the three air basins on October 1, 1973 on change of ownership and that the Board would announce at a later time the commencement of the license plate program. A copy of the emergency regulation is attached. This agenda item is to confirm the emergency action taken or modify it as necessary. A public notice was duly given (attached). ITEM NO.: 73-21-5 Proposed Low Emission Standards for 1974 Model-Year Vehicles. RECOMMENDATION Adopt Resolution 73-47. SUMMARY The staff has developed low emission standards as required by Section 39009.3 of the Health and Safety Code. A staff report has been prepared presenting the method of derivation of the low emission standards and the values recommended for the low emission standards. The staff report identifies all domestic 1974 model vehicles approved at time of writing which meet these recommended low emission standards. ITEM NO. 73-21-6 Progress and Problems Concerning Standards and Approval of 1975 Heavy-Duty Engines and Vehicles. RECOMMENDATION Board hearing to determine if standards should be re-considered. SUMMARY A review of the establishment of the 1975 exhaust emission standards for engines in heavy-duty vehicles is presented. Progress towards achieving these standards, and problems both present and future, are summarized. The majority of engine and vehicle manufacturers are urging that the Board drop, defer or substitute less stringent standards for the 1975 model year. ITEM NO.: 73-21-7 Summary of 1974 New Car Approvals. RECOMMENDATION None. SUMMARY This is an informational report concerning new car approvals. These approvals were granted by the Executive Officer for the 1974 model year vehicles as of August 31, 1973. Resolution 72-104 defined those official actions which could be taken by the Executive Officer without formal Board action. This report is in accordance with the Board's request that it be informed of all approvals granted.