This chapter permits specific uses in specific districts; and
these performance standards are designed to limit, restrict, and prohibit
the effects of those uses outside their premises or district. All
structures, lands, air, and waters shall hereafter, in addition to
their use, site, and sanitary regulations, comply with the performance
standards found in this article.
No activity shall emit any fly ash, dust, fumes, vapors, mists,
or gases in such quantities as to cause soiling or danger to the health
of persons, animals, vegetation or other forms of property. No activity
shall emit any liquid or solid particles in concentrations exceeding
0.3 grains per cubic foot of the conveying gas nor any color visible
smoke equal to or darker than No. 2 on the Ringelmann Chart described
in the United States Bureau of Mine's Information Circular 7718, except
for not more than four minutes during any six-hour period each stack
or chimney may emit smoke of Ringelmann No. 3. No activity shall emit
more than 10 smoke units per hour per stack or chimney except that
once during any six-hour period each stack or chimney may emit up
to 20 smoke units when blowing soot or cleaning fires.
All activities involving the manufacturing, utilization, processing,
or storage of flammable and explosive materials shall be provided
with adequate safety devices against the hazard of fire and explosion
and with adequate firefighting and fire suppression equipment and
devices that are standard in the industry. All materials that range
from active to intensive burning shall be manufactured, utilized,
processed, and stored only in completely enclosed buildings which
have incombustible exterior walls and an automatic fire extinguishing
system. The aboveground storage capacity of materials that product
flammable or explosive vapors shall not exceed the following:
Closed Cup Flash Point
|
Gallons
|
---|
Over 187° F.
|
400,000
|
105° F. to 187° F.
|
200,000
|
Below 105° F.
|
100,000
|
No activity shall emit glare or heat that is visible or measurable
outside its premises except activities which may emit direct or sky-reflected
glare which shall not be visible outside their district. All operations
producing intense glare or heat shall be conducted within a completely
enclosed building. Exposed sources of light shall be shielded so as
not to be visible outside their premises.
No activity shall emit any odorous matter of such nature or
quantity as to be offensive, obnoxious, or unhealthful outside their
premises. The guide for determining odor measurement and control shall
be Chapter 13, Air Pollution Abatement Manual (current edition), prepared
by the Manufacturing Chemists' Association, Inc., Washington, D.C.
Farmers actively engaged in farming practices are expressly exempt
from odor regulation.
No activity shall emit radioactivity or electrical disturbances
outside its premises that are dangerous or adversely affect the use
of neighboring premises.
[Amended at time of adoption of Code (see Ch. 1, General
Provisions, Art. II)]
No activity in any district shall emit vibrations which are
discernible without instruments outside its premises. No activity
shall emit vibrations, which exceed the following displacement measured
with a three-component measuring system:
|
Displacement
(inches)
|
---|
Frequency
(cycles per second)
|
Outside the Premises
|
Outside the District
|
---|
0 to 10
|
0.0020
|
0.0004
|
Over 10 to 20
|
0.0010
|
0.0002
|
Over 20 to 30
|
0.0006
|
0.0001
|
Over 30 to 40
|
0.0004
|
0.0001
|
Over 40 to 50
|
0.0003
|
0.0001
|
50 and Over
|
0.0002
|
0.0001
|