This district classification is intended to apply to areas suited to. normal operations of industries, subject to such regulations as arc necessary to protect the public health, safety, convenience and general welfare within the district and adjacent districts. All uses shall be subject to the use performance standards set forth in Section 20.40.20. No MP district shall be located adjacent to an R district.

The following regulations shall apply in all MP districts and shall be subject to the provisions of Chapters 20.46 and 20.48 of this code.

(Ord. 74-12 § 3 (part), 1974)

Uses permitted with a use permit shall be as follows:

1. Airports.
2. Commercial excavation of rock, gravel and stone or earth materials, including mining.
3. Distillation of bones.
4. Drilling for, extraction of and/or refining of oil, gas a id/or petroleum and its products.
5. Dumping, disposal, incineration or reduction of garbage, sewage, sewage effluent, sewage sludge, offal, dead animals or refuse.
6. Fat rendering.
7. Junkyards, wrecking yards, contractor's yards, lumber yards and storage yards.
8. Fish and meat processing.
9. Manufacturing of acid, beverages, chemicals, cement, explosives, fireworks, fertilizer, fuels, gas, glue, gypsum, flammable fluids or gases, ordnance, jet or rocket propulsion units.
10. Professional offices.
11. Animal hospitals, veterinary clinics and enclosed kennels.
12. Sawmills and planing mills.
13. Smelting or reduction of aluminum, copper, iron, tin, zinc or other ores.
14. Stockyards and slaughter houses.
15. Tanneries.
16. Pulp mills and paper mills.
17. Other uses which, in the opinion of the planning commission, would be appropriate and compatible subject to such conditions as the commission may deem necessary to impose in the discretionary issuance of a use permit.

(Ord. 74-12 § 3 (part), 1974)

Uses permitted with a use permit shall be as follows:

1. Airports.
2. Commercial excavation of rock, gravel and stone or earth materials, including mining.
3. Distillation of bones.
4. Drilling for, extraction of and/or refining of oil, gas a id/or petroleum and its products.
5. Dumping, disposal, incineration or reduction of garbage, sewage, sewage effluent, sewage sludge, offal, dead animals or refuse.
6. Fat rendering.
7. Junkyards, wrecking yards, contractor's yards, lumber yards and storage yards.
8. Fish and meat processing.
9. Manufacturing of acid, beverages, chemicals, cement, explosives, fireworks, fertilizer, fuels, gas, glue, gypsum, flammable fluids or gases, ordnance, jet or rocket propulsion units.
10. Professional offices.
11. Animal hospitals, veterinary clinics and enclosed kennels.
12. Sawmills and planing mills.
13. Smelting or reduction of aluminum, copper, iron, tin, zinc or other ores.
14. Stockyards and slaughter houses.
15. Tanneries.
16. Pulp mills and paper mills.
17. Other uses which, in the opinion of the planning commission, would be appropriate and compatible subject to such conditions as the commission may deem necessary to impose in the discretionary issuance of a use permit.

(Ord. 74-12 § 3 (part), 1974)

Building height limit shall be seventy-five feet.

(Ord. 74-12 § 3 (part), 1974)

Minimum lot area shall be none, where both a public or mutual water supply and public sewage collection system are available, and as specified by the planning commission but in no case less than twenty thousand square feet where both public or mutual water supply and public sanitary system are not available. Where water and sanitary facilities are contained on the property, all state and comity health regulations shall apply. See also Section 20.48.80.

(Ord. 74-12 § 3 (part), 1974)

Minimum lot width shall be twenty-five feet where both a public or mutual water supply and a public sewage collection system are available where either a public or mutual water supply or a public sewage collection system is not available the lot width shall be as specified by the planning commission but in no case less than twenty-five feet.

(Ord. 74-12 § 3 (part), 1974)

Percentage of lot coverage permitted shall he up to one hundred percent of the building site where both a public or mutual water supply and a public sewage collection system are available. Where water and sanitary facilities are contained on the property, adequate yard space shall be provided. See also Section 20.48.80.

(Ord. 74-12 § 3 (part), 1974)

Required front yard shall be thirty feet, except as provided in Section 20.48.90.

(Ord. 74-12 § 3 (part), 1974)

Required side yard shall be none, except that the side yard on the street side of a corner lot shall be no less than thirty feet.

(Ord. 74-12 § 3 (part), 1974)

Required rear yard shall be none.

(Ord. 74-12 § 3 (part), 1974)

All activities allowed in the MP district shall be subject to the following limitations of their external effects and such limitations shall be a condition of all uses permitted in the district.

1. Noise or vibration created by or resulting directly or indirectly from any industrial machinery or process shall not be discernible without instruments at the lot boundaries.
2. Odors, glare or heat created by or resulting directly or indirectly from any use shall not be perceptible at any point beyond the lot boundaries.
3. Discharge into the atmosphere of air contaminants including, but not limited to, sulphur compounds, nitrogen compounds, smoke, charred paper, dust, soot, grime, carbon, noxious acids, fumes, gases, mist, odors or particulate matter or any combination thereof, from any single source of emission whatsoever for a period or periods aggregating more than three minutes in any one hour shall be permitted which:
   1. Exceeds the legally permissible discharge limits, herein prescribed as follows: sulfur dioxide, carbon monoxide, oxidant, hydrocarbons and nitrogen dioxide shall be less than set forth as national standard in "Table I," Rules and Regulations, Del Norte County air pollution control district particulate matter, visibility reducing particles, lead, hydrogen sulfide and nitrogen dioxide shall be less than set forth as California standard in "Table I," Rules and Regulations, Del Norte County air pollution control district or additional or more restrictive emission limits as prescribed by the county air pollution control officer, or
   2. Is as dark or darker in shade as that designated as No. 2 on the Ringlemann Chart, as published by the United States Bureau of Mines, or
   3. Is of such opacity as to obscure an observer's view to a degree equal to or greater than the smoke described in 2 above except that
   4. Subparagraphs 2 and 3 above shall not apply when the presence of uncombined water is the only reason for the failure of the emission to meet the requirements of this subsection.
4. Industrial activities shall be of such nature as not to cause damage or jeopardy to the health or safety of persons, animals, vegetation or any form of real or personal property.
5. Water supply, drainage, rubbish and waste disposal systems and practices shall conform to all applicable codes and standards relating to public safety, health, sanitation and/or public works of the county.

(Ord. 74-12 § 3 (part), 1974)