Definition of elements. No land or building in any B-3 or M-1 District which shall be used or occupied for manufacturing purposes shall be operated in such a manner so as to create any dangerous, injurious, noxious, or otherwise objectionable fire, explosive or other hazard; noise or vibration, smoke, dust, dirt or other form of air pollution; electrical or other disturbance; glare, or other substance, condition or element in such amount as to adversely affect the surrounding area or premises (referred to herein as "dangerous or objectionable elements"); provided that any use permitted by this chapter may be undertaken and maintained in any B-3 or M-1 District if it conforms to the regulations of this subsection limiting dangerous and objectionable elements at the specified point or points of the determination of their existence.