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Complexity

Complexity Classification Classification Criteria Classification Criteria by Environmental Impact Example Business Sectors
H
High
Numerous environmental aspects of a significant nature and importance (Typical manufacturing or processing organizations with significant impacts on numerous environmental aspects) Class 1 business sites under the Water Environment Conservation Act.
Class 1 business sites under the Clean Air Conservation Act
  • Mining and quarrying
  • Oil and gas extraction
  • Textiles and leather tanning
  • Pulping part of paper manufacturing, including paper recycling processes
  • Oil refining
  • Chemicals and pharmaceuticals
  • Primary production - metals
  • Non-metallic processes and products, including ceramics and cement
  • Electricity generation by coal
  • Construction and demolition
  • Hazardous and non-hazardous waste treatment, e.g., incineration
  • Effluent and sewage treatment
M
Medium
An average number of environmental aspects of a medium nature and importance (Typical manufacturing organizations with significant impacts on some environmental aspects) Class 2 and 3 business sites under the Water Environment Conservation Act and the Clean Air Conservation Act
  • Fishing, agriculture, hunting
  • Textiles and clothing, excluding tanning
  • Board manufacturing, treatment/infusion of wood and wood products
  • Paper manufacturing and printing, excluding pulping
  • Non-metallic processing and products, including glass, clay, lime, etc.
  • Surface and other basic chemical treatments for products made of metal, excluding primary production
  • Surface and other basic chemical treatments for general mechanical engineering
  • Production of bare printed circuit boards for the electronics industry
  • Manufacturing of transport equipment - road, rail, air, ship
  • Electricity generation by non-coal sources and distribution
  • Gas production, storage, distribution (Note: extraction is high-risk)
  • Water separation (extraction), purification, and distribution, including water system management (Note: commercial wastewater treatment is high-risk)
  • Wholesale and retail of fossil fuels
  • Food and tobacco - processing
  • Transport and distribution - sea, air, land
  • Commercial real estate brokerage, property management, industrial cleaning, sanitation cleaning,
  • and dry cleaning under general business services
  • Recycling, composting, landfill (non-hazardous waste)
  • Technical testing and laboratories
  • Health / hospitals / veterinary
  • Leisure and personal services, excluding hotels/restaurants
L
Low
A few environmental aspects of a low nature and importance (Typical assembly-type organizations with few significant environmental aspects) Class 4 and 5 business sites under the Water Environment Conservation Act and the Clean Air Conservation Act
  • Hotels/Restaurants
  • Wood and wood products, excluding board manufacturing, wood treatment, and infusion
  • Paper products, excluding printing, pulping, and paper manufacturing
  • Rubber and plastic injection molding, forming, assembly - excluding the manufacturing of raw rubber and plastic materials that are part of chemicals
  • Cold/hot forming and metal fabrication, excluding surface treatment and other basic chemical treatments, and primary production
  • General mechanical engineering assembly, excluding surface treatment and other basic chemical treatments
  • Wholesale and retail
  • Electrical and electronic equipment assembly, excluding the manufacturing of bare printed circuit boards
Li
Limited
A very limited number of environmental aspects of a limited nature and significance (Typical office-based organizations) Other
  • Corporate activities and management, management of HQs and holding companies
  • Transport and distribution - management services without actual transport vehicles, managing telecommunications
  • General business services, excluding commercial real estate brokerage, property management, industrial cleaning, sanitation cleaning, and dry cleaning
  • Education services
E
Special Cases
Requires additional and unique considerations in the audit planning stage. Additional audit man-days are required.
  • Nuclear
  • Nuclear electricity generation
  • Bulk storage of hazardous metals
  • Public administration
  • Local authorities
  • Organizations with environmentally sensitive products and services

Examples of the relationship between OH&SMS business sectors and the risk categories of the occupational health and safety management system

Risk Complexity Category Business Sector
High
  • Fishing (coastal fishing, dredging, and diving)
  • Mining and quarrying
  • Manufacture of coke and refined petroleum products
  • Oil and gas extraction
  • Textiles and leather tanning
  • Pulping part of paper manufacturing, including paper recycling processes
  • Petroleum refining
  • Chemicals (including manufacturing of pesticides, batteries, and accumulators) and pharmaceuticals
  • Fiberglass manufacturing
  • Gas production, storage, and distribution
  • Electricity generation and distribution
  • Nuclear energy
  • Bulk storage of hazardous materials
  • Non-metallic smelting and products, including ceramics, concrete, cement, lime, gypsum, etc.
  • Primary production - metals
  • Cold/hot forming and metal fabrication
  • Manufacturing and assembly of metal structures
  • Shipbuilding (can be classified as medium depending on activities)
  • Aerospace industry
  • Automotive industry
  • Manufacturing of weapons and explosives
  • Hazardous waste recycling
  • Hazardous and non-hazardous waste treatment (e.g., incineration)
  • Effluent and sewage treatment
  • Industrial construction, civil engineering, and demolition (including the completion of buildings with electrical, hydraulic, and air conditioning installation work)
  • Slaughterhouses
  • Transport and distribution of dangerous goods (land, air, sea)
  • Defense activities / crisis management
  • Health / hospitals / veterinary / social work
Medium
  • Aquaculture (breeding and harvesting of animals and plants in all aquatic environments)
  • Fishing (coastal fishing is high-risk)
  • Agriculture / Forestry (can be classified as high depending on activities)
  • Food, beverages, and tobacco - processing
  • Textiles and clothing, excluding tanning
  • Manufacturing of wood and wood products, including board manufacturing, treatment/wood impregnation processing
  • Paper manufacturing and paper products, excluding pulping
  • Processing of non-metallic products and products including glass, ceramic clay, etc.
  • General mechanical engineering assembly
  • Fabrication of metal products
  • Surface and other basic chemical treatments for products made of metal, excluding primary production (can be classified as high depending on the treatment method and part size)
  • Production of printed circuit boards for the electronics industry
  • Rubber and plastic injection molding, forming, and assembly
  • Assembly of electrical and electronic equipment
  • Manufacturing and repair of transport equipment - road, rail, air (can be classified as high depending on the equipment size)
  • Recycling, composting, and landfill (of non-hazardous waste)
  • Water separation (extraction), purification, and distribution, including water system management (Note: commercial wastewater treatment is high-risk)
  • Wholesale and retail of fossil fuels (can be classified as high depending on the quantity of fossil fuels)
  • Passenger transport (air, land, and sea)
  • Transport and distribution of non-dangerous goods (land, air, sea)
  • (Facility) cleaning, sanitation cleaning, and dry cleaning, which typically fall under general business services
  • Research and development in natural and technical sciences (can be classified as high depending on the business field), technical testing and laboratories
  • Hotels, leisure services, and personal services, excluding restaurants
  • Education services (can be classified as high or low depending on the purpose of the instructional activities)
Low
  • Corporate activities and management, management of head offices and holding companies
  • Wholesale and retail (can be classified as medium or high depending on the product, e.g., fossil fuels)
  • General business services, excluding industrial (facility) cleaning, sanitation cleaning, dry cleaning, and education services
  • Transport and distribution - management services without actual transport vehicles, managing telecommunications
  • Engineering services (can be classified as medium depending on the service type)
  • Information and communication technology and postal services
  • Restaurants and camping
  • Commercial real estate brokerage, property management
  • Research and development in social sciences and humanities
  • Public administration, local authorities
  • Financial institutions, advertising companies