Marvin Mandel, Governor                       1851

State of Maryland to the aforesaid retirement system of the amounts
required to meet the current disbursements for such additional pen-
sions.

(4)    The additional pensions provided herein shall be provided for
the employees of municipal corporations upon the approval of the
legislative body of any such municipal corporation participating
in the Employees' Retirement System.

(5)    Any member of the system who made additional voluntary
contributions under Section 14(1)(e) of this article may withdraw
the additional amount of contributions with interest, provided that
refund is requested within one year after July 1, 1963.

(6)    The provisions of subsection (3) (e) herein apply to mem-
bers who retired prior to June 30, 1962, as well as to those who
retire after that date.

Sec. 2. And be it further enacted, That this Act shall take effect
July 1, 1972.

Approved May 31, 1972.

CHAPTER 735

(Senate Bill 612)

AN ACT to repeal and re-enact, with amendments, Section 691 of
Article 43 of the Annotated Code of Maryland (1971 Replacement
Volume), title "Health," subtitle "Air Quality Control," amending
the term "air pollution" in the Air Quality Control Act in order
to provide that, unless a definite health hazard is concerned, the
term does not include certain airborne fluff resulting from the
drying, loading, or unloading of corn grain, being sometimes
known and referred to as bees' wings.

Section 1. Be it enacted by the General Assembly of Maryland,
That Section 691 of Article 43 of the Annotated Code of Maryland
(1971 Replacement Volume), title "Health," subtitle "Air Quality
Control," be and it is hereby repealed and re-enacted, with amend-
ments, to read as follows:

691.

For the purposes of this subtitle:

(a) The term "air pollution" shall mean the presence in the
outdoor atmosphere of substances in quantities, having character-
istics and being of a duration which, from any single source or in
combination with other sources, are, or may be predicted with
reasonable certainty to be injurious to human, plant or animal life
or to property, or which unreasonably interfere with the proper
enjoyment of the property of others by reason of the emission of
odors, solids, vapors, liquids or gases, throughout the State and in
such areas of the State as are affected thereby. Unless a definite
health hazard is concerned, the term "air pollution" does not include