194                              LAWS OF MARYLAND                      [CH. 143

AND BEING OF A DURATION WHICH, FROM ANY SINGLE
SOURCE OR IN COMBINATION WITH OTHER SOURCES,
ARE, OR MAY BE PREDICTED WITH REASONABLE CER-
TAINTY TO BE INJURIOUS TO HUMAN, PLANT OR ANIMAL
LIFE OR TO PROPERTY, OR WHICH UNREASONABLY IN-
TERFERE WITH THE PROPER ENJOYMENT OF THE
PROPERTY OF OTHERS BY REASON OF THE EMISSION OF
ODORS, SOLIDS, VAPORS, LIQUIDS OR GASES, THROUGH-
OUT THE STATE AND IN SUCH AREAS OF THE STATE AS
ARE AFFECTED THEREBY.

(B)   THE TERM "BOARD" SHALL MEAN THE STATE
BOARD OF HEALTH AND MENTAL HYGIENE.

(C)   THE TERM "COUNCIL" SHALL MEAN THE AIR
QUALITY CONTROL ADVISORY COUNCIL.

(D)   THE TERM "DEPARTMENT" SHALL MEAN THE
MARYLAND STATE DEPARTMENT OF HEALTH.

(E)  THE TERM "PERSON" SHALL MEAN ANY INDIVID-
UAL, GROUP OF INDIVIDUALS, FIRM, PARTNERSHIP,
VOLUNTARY ASSOCIATION, OR PRIVATE, PUBLIC OR MU-
NICIPAL CORPORATION, OR POLITICAL SUBDIVISION OF
THE STATE, RESPONSIBLE FOR THE USE OF PROPERTY.

(F)   THE TERM "SOURCE" SHALL MEAN ANY PROPERTY,
REAL OR PERSONAL, OR PERSON CONTRIBUTING TO AIR
POLLUTION.

(G)   THE TERM "EMERGENCY" SHALL MEAN A SUDDEN,
UNEXPECTED AND UNFORESEEN CONDITION OF SUCH
PUBLIC GRAVITY AND EXIGENCY AS TO REQUIRE IM-
MEDIATE ACTION, OR A CONDITION WHICH IS PREDICTED
WITH REASONABLE CERTAINTY TO REQUIRE IMMEDIATE
ACTION TO CARRY OUT THE PURPOSES OF THIS SUBTITLE.

692.

SUCH POSITIONS WITHIN THE DEPARTMENT AS MAY
BE DESIGNATED BY THE BOARD OF PUBLIC WORKS AS
TECHNICAL AND PROFESSIONAL POSITIONS FOR THE
OPERATION AND SUPPORT OF THE AIR QUALITY CONTROL
PROGRAM SHALL BE UNCLASSIFIED POSITIONS AND
SHALL RECEIVE SUCH SALARIES AS SHALL BE SET BY
THE BOARD OF PUBLIC WORKS. THE OTHER AIR QUALITY
CONTROL PROGRAM EMPLOYEES SHALL BE CLASSIFIED
EMPLOYEES.

693.

(A) THE STATE OF MARYLAND INITIALLY SHALL BE
DIVIDED INTO SIX SEPARATE AIR QUALITY CONTROL
AREAS. THE SIX AREAS SHALL INCLUDE THE FOLLOWING:

(1) BALTIMORE METROPOLITAN AREA;

(2) WASHINGTON METROPOLITAN AREA;

(3) CENTRAL MARYLAND AREA;

(4) WESTERN MARYLAND AREA;

(5) SOUTHERN MARYLAND AREA; AND

(6) EASTERN SHORE AREA.