State of California
AIR RESOURCES BOARD
Resources Building Auditorium
1416 Ninth Street
October 9, 1974
74-19-1 Approval of Minutes of September 11, 1974 Meeting.
74-19-2 Consideration of STP Corporation's Application 1
for Accreditation of its Air Computer as an NOx
Control Device for 1966-1970 Class (a) Vehicles.
74-19-3 Consideration of Lindberg Ecology Corporation's 6
Application for Granting Exempt Device Status for
its Econopower System.
74-19-4 Status Report on the Fuel Additive Test Program. 7
74-19-5 Summary of Assembly-Line Confirmatory Testing 22
(CVS, Title 13) for the 1974 Model-Year Vehicles.
74-19-6 Surveillance of Emissions from In-Use Vehicles in 43
74-19-7 Preliminary Report - Effects of Proposed Light-Duty 59
Motor Vehicle Emission Standards on Air Quality.
74-19-8 Other Business -
a. Executive Session - Personnel and Litigation
b. Board Committee Reports and Assignments
c. Research Projects
74-19-9 Remarks from Audience - End of Morning and Afternoon
ITEM NO.: 74-19-2
Consideration of STP Corporation's Application for Accreditation
of its Air Computer as an NOx Control Device for 1966-70 Class
None. - Further information is needed.
ITEM NO.: 74-19-3
Consideration of Lindberg Ecology Corporation's Application for
Granting Exempt Device Status for its Econopower System.
This application was received on September 20, 1974 and the staff
evaluation could not be completed for timely insertion in the
Board Book. A report will be presented at the Board meeting.
ITEM NO.: 74-19-4
Status Report on the Fuel Additive Test Program.
Set public hearing for November meeting to adopt formal
The Board adopted test procedures and a test program for gasoline
and diesel vehicle fuel additives at the July 10, 1974 meeting.
A five member Fuel Additive Screening Committee has been
appointed to implement the test program.
The committee members have met with other governmental officials
and representatives of oil refiners and additive manufacturers
for exchange of information. The Committee has prepared a
proposed fee schedule and has received applications from fuel
additive manufacturers requesting evaluation tests. The data
submitted by the applicants are being reviewed.
The necessary equipment and instrumentation for testing fuel
additives have been ordered or refurbished. It is anticipated
that the implementation of the test program will commence on
schedule in November, 1974.
ITEM NO.: 74-19-5
Summary of Assembly-Line Confirmatory Testing (CVS, Title 13) for
the 1974 Model-Year Vehicles.
None. Informational item.
Enforcement and surveillance testing in accordance with the
provisions of Title 13, California Administrative Code, and the
official approval test procedure (CVS) was performed on 144
randomly selected 1974 model year vehicles, representing 48
engine families and 16 vehicle manufacturers. The results of
these tests are summarized in Table I. All 48 engine families
passed Title 13 testing. The manufacturers' average quality
audit test emission data are compared with average ARB Title 13
test emission data in Table II with excellent agreement on a
ITEM NO.: 74-19-6
Surveillance of Emissions from In-use Vehicles in California.
None. Information item.
This report presents results of exhaust emission tests run on
approximately 21,000, 1966-1974, in-use California vehicles. The
vehicles were solicited from the general public and tested at two
ARB surveillance stations by the hot-start 7-mode cycle test.
The data presented as exhaust emissions versus vehicle mileage
indicate that in-use California vehicles emit less with each
successive model year. Also, tests on retrofitted 1966-1970
vehicles indicate, by comparison, and average reduction in
exhaust emissions of 32% for NOx, 24% for HC and 13% for CO.
The report also presents results of a survey regarding vehicle
parametric settings conducted during the 1973-1974 fiscal year.
This survey shows that approximately 2/3 of the vehicles checked
had engine timing and/or idle rpm and/or distributor dwell
setting adjusted to vehicle manufacturers' specifications.
ITEM NO.: 74-19-7
Preliminary Report - Effects of Proposed Light Duty Motor Vehicle
Emission Standards on Air Quality.
This report will be distributed at the meeting.