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<br />.: <br /> <br />- 10 - <br /> <br />vibration producing an acceleration of more than <br />0.1 g. or resulting in any combination of <br />amplir-udes and frequencies beyond the "safe" range <br />of Table 7, u.s. Bureau of Mines Bulletin No. 442, <br />IISiesI:lic Effects of Quarry Blastingll, on any <br />structure. <br /> <br />(4) Smoke: <br /> <br />Any emission of visible smoke of a shade darker <br />than No. I on the RingelmRnn Smoke Chart, as <br />published by the U.S. Bureau of Mines, except that <br />visible grey smoke of P Fhede not darker than No. <br />2 on said chart may be e~icted for not more than <br />four minutes in any thircy minutes. <br /> <br />(5 ) <br /> <br />Air Pollution (Fly ash, dust, fumes, vapors, <br />gasses, e~c.): <br /> <br />-Any emission which -can cause any damage to health, <br />animals, or vegetation, or other forms of property, <br />or wtich can cause any excessive soiling at any <br />point, and in no event any emission of any solid or <br />liquid particles in concentrations exceeding 0.3 <br />grains per cubic foot of the conveying gas or air <br />at any point. For mep-surement of the amount of <br />part~cles in gasses resulting from combustion, <br />standard corrections shall be app:ied to a stick <br />temperature of 500 degrees Fahrenheit and and 50% <br />excess air. <br /> <br />(6) Wastes: <br /> <br />All wastes shall be disposed of in a manner that <br />is not dangerous ~o public health and safety and <br />in accordance with the City of Ramsey's sewer <br />disposal system ordinance. <br /> <br />Wastes may not accumulate on the lot, except where <br />fully screened from adjacent properties. <br /> <br />Waste discharges into a public sewer system shall <br />not exceed limits established by the Metropolitan <br />Waste Control Commission. <br /> <br />(7) Glare: <br /> <br />Any lighting used to illuninate an off-street <br />parking area, or structure, shall be arranged so as <br />to deflect light away from adjoining residential <br />houses or from public streets. <br /> <br />p. No residence shall be constructed upon any lot <br />containing less than a minimum area of 1,040 square feet <br />