Use-Site Category (USC) Definitions for Conventional Chemical Pesticides

Table of Contents

Agriculture/Forestry
Use-Site-Category Definition Exclusions
1. Aquaculture and Aquatic Food Sites
  • Insecticides
  • Herbicides
  • Insect Growth Regulators (IGRs)
  • Antifouling products
Plants or animals produced in an aquatic (marine or fresh water) environment for human consumption, as well as the equipment used for the production of these commodities, including antifouling products for nets, pens, ropes and cages/traps.

Weed management in aquatic sites where food commodities may be present.

  • For hydroponics, see Greenhouse Food Crops (USC #5) and Greenhouse Non-Food Crops (USC #6)
  • For antifouling coatings for structures and materials not used for aquaculture, see Underwater Structures and Materials (USC #22)
  • Treated water that will be subsequently used for irrigation of crops could trigger additional data requirements such as those under Terrestrial Feed Crops (USC #13) and Terrestrial Food Crops (USC #14)
2. Aquatic Non-Food Sites
  • Insecticides
  • Herbicides
  • IGRs
  • Piscicides
  • Molluscides
  • Algicides
  • Lampricides
Outdoor natural and man-made environments (marine or fresh water) such as rivers, lakes, ponds, water gardens, decorative fountains, sewage ponds, irrigation lines, reservoirs, etc. for the control of, including, but not limited to:
  • aquatic life stages of insects
  • weeds (weed management in irrigation canals or similar sites)
  • fish
  • zebra mussels and other mollusks (includes once-through treatment of industrial water systems for zebra mussel control)
  • non-food algae
  • lamprey eels
  • Industrial Process Fluids (USC #17)
  • Underwater Structures and Materials (USC #22)
  • Swimming Pools (USC #29)
  • Other Indoor Surfaces, Water and Air (USC #19)
  • Treated water that will be subsequently used for irrigation of crops could trigger additional data requirements such as those under Terrestrial Feed Crops (USC #13) and Terrestrial Food Crops (USC #14)
3. Empty Food and Feed Storage Structures and Areas
  • Insecticides
  • Herbicides
  • Rodenticides
  • Antimicrobial
  • IGRs
Empty commercial premises where commodities are to be stored or grown, including, but not limited to:
  • disinfection of crop (potato) storage bins on farms and cooperatives
  • empty food storage rooms and surfaces
  • empty greenhouses and mushroom houses devoid of growth media
  • empty transport systems where food or feed is to be stored (wagons, containers)
 
4. Forests and Woodlots
  • Insecticides
  • Herbicides
  • Fungicides
  • Plant Growth Regulators (PGRs)
  • Piscicides
  • IGRs
Forested areas and trees grown for use in forestry industry, including, but not limited to:
  • tree plantations
  • site preparation
  • seed production (seed orchard)
  • conifer release
  • Christmas tree plantations and nurseries
  • tree injection of trap trees
  • Ornamentals Outdoor (USC #27)
  • Greenhouse Non-Food (USC #6)
5. Greenhouse Food Crops
  • Insecticides
  • Herbicides
  • Fungicides
  • PGRs
  • IGRs
  • Antimicrobial
Edible crops growing in greenhouses and other protected environments, including, but not limited to:
  • seedlings for transplants
  • mushrooms growing in mushroom houses
  • indoor hydroponically-, soil-, or soilless media-grown food plants
Greenhouses cleared of edible crops, but containing soil and growth media

Disinfection of greenhouse non-porous (hard) and porous surfaces (for example, tools, floors, benches, flats/trays, pots, etc.) where food crops may be present in the area

Irrigation water treatment
  • For treatment of empty greenhouses and empty mushroom houses devoid of growth media, see Empty Food and Feed Storage Structures and Areas (USC #3)
  • For non-crop indoor plant uses (including solariums), see Indoor Plants and Plantscapes (USC #28)
6. Greenhouse Non-Food Crops
  • Insecticides
  • Herbicides
  • Fungicides
  • PGRs
  • IGRs
  • Antimicrobial
Non-food crops growing in greenhouses and other protected environments, including, but not limited to:
  • non-food crops growing hydroponically, indoors, in soil, or in soilless media
  • seedlings for transplants
  • ornamentals
Disinfection of greenhouse non-porous (hard) and porous surfaces (for example, tools, floors, benches, flats/trays, pots, etc.) where non-food crops may be present in the area

Irrigation water treatment

  • For treatment of empty greenhouses devoid of growth media, see Empty Food and Feed Storage Structures and Areas (USC #3)
  • For non-crop indoor plant uses (including solariums), see Indoor Plants and Plantscapes (USC #28)
7. Terrestrial Non-food and Non-feed Seed and Fibre Crops
  • Insecticides
  • Herbicides
  • Fungicides
  • PGRs
  • IGRs
Terrestrial plants being commercially grown only for seed (non-food and non-feed) and fibre production, including, but not limited to:
  • seed crops
  • non-food oilseed (for example, flax for linseed oil used in linoleum production)
  • fibre crops (for example, hemp, flax)
  • biofuel production (ethanol, diesel)
  • short rotation intensive culture (SRIC) crops (for example, poplar, willow)
  • For terrestrial plants grown for feed, including edible oils, see Terrestrial Feed Crops (USC #13)
  • For terrestrial plants grown for food, including edible oils and medicinal oils, see Terrestrial Food Crops (USC #14)
8. Animals for Food Production
  • Insecticides
  • Insect Repellents
  • IGRs
  • Antimicrobials
Treatment of terrestrial non-companion animals and bees raised as a source of food for human consumption (for example, milk, meat, meat by-products, eggs, honey), including, but not limited to:
  • cattle, pigs, poultry, sheep, goats, etc.
Treatment of beehives

Topical application for ectoparasite control, also includes insecticides applied in feed to control pests other than internal parasites, for example, feed through

Antimicrobials applied to water to be consumed by livestock
  • All methods other than topical and feed through application for the control of ectoparasites
  • For other treatments of animals, see Aquaculture and Aquatic Food Sites (USC #1), Animals for Production of Non-Food Commodities (USC #9), and Companion Animals (USC #24)
  • Treated manure that will be subsequently used as fertilizer for crops may trigger additional data requirements such as those under Terrestrial Feed Crops (USC #13) and Terrestrial Food Crops (USC #14)
9. Animals for Production of Non-Food Commodities
  • Insecticides
  • Insect Repellents
  • IGRs
  • Antimicrobials
Terrestrial non-companion animals raised for uses other than as food for human consumption, including, but not limited to:
  • fur-bearing animals
  • animals for wool production

Also includes insecticides applied in feed to control pests other than internal parasites, for example, feed through

Antimicrobials applied to water to be consumed by livestock
  • Companion Animals (USC #24)
  • Animals for Food Production (USC #8)
  • All methods, other than topical application and feed-through, for the control of ectoparasites
  • All disease control agents, no matter how they are applied, are subject to the Food and Drugs Act
10. Seed and Plant Propagation Materials Food and Feed
  • Insecticides
  • Fungicides
  • Bactericides
  • PGRs
Seed and plant propagation material for food or feed in a commercial application facility or on a farm to prevent insect infestation or plant diseases. Includes treated seed to be planted either indoors or outdoors, or in high tunnels.

Including, but not limited to:

  • seed potatoes
  • rootstock
  • corms
  • tubers
  • bulbs
  • cuttings
  • true seeds
  • Crops grown for seed, for subsequent planting as a food or feed crop
11. Seed and Plant Propagation Materials Non-Food and Non-Feed
  • Insecticides
  • Fungicides
  • Bactericides
  • PGRs
Seed and plant propagation material for a non-food crop in a commercial application facility or on a farm to prevent insect infestation or plant diseases. Includes the planting of treated seeds either indoors or outdoors, or in high tunnels.

Including, but not limited to:

  • rootstock
  • corms
  • tubers
  • bulbs
  • cuttings
  • true seeds
 
12. Stored Food and Feed
  • Insecticides
  • Fungicides
  • Rodenticides
  • PGRs
  • IGRs
Stored bulk food and feed, including, but not limited to:
  • grains in elevators, ships' holds, etc.
  • post-harvest treatment of crops, (for example, fruits, potatoes, etc.)
  • stored packaged food and feed
  • stored bulk feed
  • food processing areas, food processing plants, restaurants and other areas where food is present during treatment
  • Perimeter treatment of indoor areas where food may be produced or stored such as restaurants, supermarkets, etc.
  • Structures (USC #20)
  • Where food is absent or protected from exposure (label precautions are present), see Empty Food and Feed Storage Structures and Areas (USC #3)
  • Greenhouse Food Crops (USC #5)
13. Terrestrial Feed Crops
  • Insecticides
  • Herbicides
  • Fungicides
  • PGRs
  • IGRs
  • Molluscicides
Crops grown outdoors as a source of feed for livestock, including direct treatment of crops or the soil during one or more of the various growth stages, including pre-plant and pre-emergence.

Also includes crops grown for seed for subsequent planting; land to be used for future crop growth (for example, fallow land)

  • Seed and Plant Propagation Materials, see Seed Treatments Non-Food (USC #11)
  • Terrestrial Non-Food and Non-Feed Seed and Fibre Crops (USC #7)
  • For crops treated after harvest, see Stored Food and Feed (USC #12)
14. Terrestrial Food Crops
  • Insecticides
  • Herbicides
  • Fungicides
  • Bactericides
  • PGRs
  • IGRs
  • Nematicides
  • Molluscicides
Crops grown outdoors as a source of food for human consumption, including direct treatment of crops or soil during one or more of the various growth stages, including pre-plant and pre-emergence.

Including, but not limited to:

  • non-bearing stages of plants, (for example, pre- and post-bloom fruit trees, non-bearing strawberries, etc.)
  • cranberries
  • residential vegetable garden
  • tobacco
  • crops grown under high tunnels
Also includes crops grown for seed for subsequent planting; land to be used for future food crop growth (for example, fallow land)
  • Seed and Plant Propagation Materials Food and Feed (USC #10)
  • Terrestrial Non-Food and Non-Feed Seed and Fibre Crops (USC #7)
  • For crops treated after harvest, see Stored Food and Feed (USC #12)
  • Are the bird repellents or vertebrate control products sprayed on the crop?
Industry
Use-Site-Category Definition Exclusions
15. Indoor Hard Surfaces
  • Sanitizers
Indoor hard surfaces (non-porous), including, but not limited to:
  • stainless steel
  • PVC
  • glass
  • glazed porcelain/ceramic
  • laminate
  • plastics
  • etc.
Non-food contact surfaces (for example, floors, bathtubs, toilet bowls, etc.)

Domestic food contact surfaces (for example, kitchen countertops, appliances, etc.)

 
16. Non-agricultural, Industrial and Residential Pest Management for Non-Food Sites
  • Herbicides
  • PGRs
  • Fungicides
  • Insecticides
Commercial treatment of terrestrial sites on non-agricultural lands, including, but not limited to:
  • industrial sites
  • parking lots
  • tennis courts
  • rights-of-way
  • shelterbelts
  • natural areas in parks (for example, treatment of areas adjacent to paths for tick control)
  • driveways and patios
  • municipal dumps
  • non-crop areas adjacent to crops
  • For agricultural land to be used for a terrestrial food or feed crop in subsequent years, see Terrestrial Food Crops (USC #14) and Terrestrial Feed Crops (USC #13)
  • For domestic class products, see Residential Outdoors (USC #33)
17. Industrial Process Fluids
  • Slimicides
  • Bactericides
  • Algicides
  • Fungicides
Industrial process fluids, including, but not limited to:
  • cooling towers (open, once-through and recirculating systems)
  • pulp and paper
  • oilfield (injection water, hydrotesting, pipelines, etc.)
  • air washers, pasteurizers, can warmers, etc.
  • For slime control in other sites, see Swimming Pools (USC #29) and Aquaculture and Aquatic Food Sites (USC #1)
  • For ornamental ponds, see Aquatic Non-Food Sites (USC #2)
  • Materials (USC #18)
18. Materials
  • Bactericides
  • Algicides
  • Fungicides
Products used (or added to manufacture or processing) to preserve the material from physical degradation and/or aesthetic damage/odors, including, but not limited to:
  • metal cutting fluid
  • textiles
  • adhesives
  • fuel
  • paint (water and/or solvent based)
  • grout and joint cements
  • caulking and sealants
  • plastics
  • inks
  • Underwater Structures and Materials (USC #22)
  • Wood (USC #23)
  • Industrial Process Fluids (USC #17)
19. Other Indoor Surfaces, Water and Air
  • Slimicides
  • Sanitizers
  • Algicides
Including, but not limited to:
  • porous surfaces (non-glazed ceramic, carpets, etc.)
  • laundry additives
  • air, air ducts, and air conditioning systems
  • water beds, humidifiers
  • Indoor Hard Surfaces (USC #15)
  • Industrial Process Fluids, slimicides (USC #17)
  • Aquatic Non-Food Sites, bodies of water (USC #2)
20. Structures
  • Insecticides
  • Fungicides
  • Rodenticides
  • IGRs
Residential, farm and office buildings, air, land and sea transport vehicles, ships and other commercial structures not associated with commercial food production or storage. Food contamination must be avoided by appropriate label precautions.

Includes sewers and drains, and perimeter applications to exterior structural surfaces (doors, windows, etc.), moth ball treatments, control of indoor pests in base boards, cracks and crevices, walls, carpets, bed frames, etc. (for example, bedbugs)

  • For termite control, see Structures and Surrounding Soil (USC #21)
  • For areas where feed or food is present during treatment, see Stored Food and Feed (USC #12)
  • For insects and tick in outdoor residential areas beyond perimeter treatment only (for example, patios, decks, private driveways, yards, etc.), see Residential Outdoors (USC #33)
  • Human Habitat and Recreational Areas (USC #25)
  • For treatment of mattresses for bedbug control, see Human Skin, Clothing and Proximal Sites (USC #26)
21. Structures and Surrounding Soil
  • Termicides
Structures and surrounding soil for preventive treatment or control of termite infestations.
  • Structures (USC #20)
22. Underwater Structures and Materials
  • Antifouling coatings
  • Molluscides
  • Algicides
Antifouling treatment for structures intended for underwater use, including, but not limited to:
  • pipelines
  • buoys
  • boat hull
  • pipes
  • For wood preservation of underwater structures, piers and docks, see Wood (USC #23)
  • For aquaculture pens and nets, see Aquaculture and Aquatic Food Sites (USC #1)
23. Wood
  • Fungicides
  • Algicides
  • Insecticides
Preservation and protection of wood and wood products, including, but not limited to, heavy duty wood preservatives (HDWPs) for wood used in underwater structures.

HDWPs, anti-sapstains, millwork and joinery products.

Remedial treatment products
  • Underwater Structures and Materials (USC #22)
  • Structures (USC #20)
  • Structures and Surrounding Soil (USC #21)
Society
Use-Site-Category Definition Exclusions
24. Companion Animals
  • Insecticides
  • Fungicides
  • Molluscides
  • Algicides
  • IGRs
Indoor and outdoor companion animals and aquatic life forms. Control of pests is solely by topical application or directly to aquarium water, including, but not limited to:
  • cats
  • dogs
  • rodents
  • reptiles
  • birds
  • horses and other agricultural animals kept as pest
  • fish
  • Animals for Food Production (USC #8) and Animals for Production of Non-Food Commodities (USC #9)
  • All other prescribed veterinary drugs
  • All methods other than topical application for the control of ectoparasites. All disease control agents, no matter how they are applied, subject to the Food and Drugs Act.
  • For products to be used on pet sleeping areas, see Structures (USC #20)
25. Human Habitat and Recreational Areas
  • Insecticides
  • Insect Repellents
  • Insect Attractants
Outdoor commercial use in urban or rural habitation and recreational areas to control/repel/attract insects, including, but not limited to:
  • adult biting flies
  • black flies
  • mosquitoes
  • other biting insects
  • For aquatic larval stages, see Aquatic Non-Food (USC #2)
  • For Domestic Class products, see Residential Outdoors (USC #33)
  • For personal insect repellents, see Human Skin, Clothing and Proximal Sites (USC #26)
26. Human Skin, Clothing and Proximal Sites
  • Insecticides
  • Insect Repellents
  • Personal Insect Repellents
Direct application, placement in close proximity to or prolonged contact with humans, (for example, indoor use of coils, candles, mats, etc.); impregnation into, or a spraying onto materials, (for example, clothing, mattresses, carpets, tablecloths and canvas).

Treatment of mattresses for bedbug control

  • Products intended to repel or control ectoparasites (for example, lice) subject to Food and Drugs Act
  • Treated textile (preservation from physical/aesthetic degradation and/or odors caused by microorganisms), see Materials (USC #18)
27. Ornamentals Outdoor
  • Insecticides
  • Herbicides
  • Fungicides
  • PGRs
  • IGRs
Non-food plants growing outdoors in the field or in containers, for sale as ornamental plants or when used as ornamentals in residential areas, and public places such as parks. Including, but not limited to:
  • flowers
  • trees
  • shrubs
  • seed crops on non-agricultural land
  • tree nurseries for silviculture production
  • seed production (seed orchard)
  • ornamentals grown under high tunnels
  • tree seedling production under high tunnels
  • tree injection of ornamental trees
  • For grass, lawns, turf soil, sod farms, see Turf (USC #30)
  • For forestry nurseries, see Forests and Woodlots (USC #4)
  • For Christmas Trees, see Forests and Woodlots (USC #4)
28. Indoor Plants and Plantscapes
  • Insecticides
  • Herbicides
  • Fungicides
  • PGRs
  • IGRs
Non-crop plants grown indoors, including, but not limited to:
  • shopping malls
  • commercial buildings
  • residences
  • Greenhouse Food Crops (USC #5)
  • Greenhouse Non-Food Crops (USC #6)
29. Swimming Pools
  • Algicides
  • Bactericides
Water in public or private swimming pools, hot tubs and spas.
  • For ornamental ponds, see Aquatic Non-Food Sites (USC #2)
30. Turf
  • Insecticides
  • Insect Repellents
  • Herbicides
  • Fungicides
  • PGRs
  • IGRs
Grass sites, including, but not limited to:
  • lawns
  • golf courses
  • turfgrass in parks
  • recreational areas
  • sod farms
  • turf soil
  • crops grown for seed for subsequent planting as turf
  • For natural grassland and pastures, see Terrestrial Feed Crops (USC #13)
  • Residential Outdoors (USC #33)
  • Human Habitat and Recreational Areas (USC #25)
  • For natural areas in parks, see Non-agricultural, Industrial, and Residential Pest Management for Non-Food Sites (USC #16)
31. Various Indoor and Outdoor Sites
  • Animal Repellents
Products used indoors or outdoors to repel:
  • dogs
  • cats
  • birds
  • deer
  • bears
  • other vertebrate pests
  • Terrestrial Food Crops (USC #14)
  • Terrestrial Feed Crops (USC #13)
32. Various Outdoor Sites
  • Vertebrate Pest Control Products
  • Rodenticides
  • Avicides
Commercial and restricted class products used outdoors to control animal pests, including, but not limited to:
  • bats
  • coyotes
  • wolves
  • skunks
  • gophers
  • rats
  • birds
  • Terrestrial Food Crops (USC #14)
  • Terrestrial Feed Crops (USC #13)
33. Residential Outdoors
  • Insecticides
  • Insect Repellents
  • Insect Attractants
  • IGRs
Outdoor domestic residential use to control/repel/attract in domestic homes and yards (for example, outdoor use of coils, candles, mats, misters, etc.) insects and ticks, including, but not limited to:
  • wasps
  • hornets
  • ticks
  • fleas
  • mosquitoes
  • black flies
  • Any food use
  • For termite control, see Structures and Surrounding Soil (USC #21)
  • For personal insect repellents, see Human Skin, Clothing and Proximal Sites (USC #26)
  • Turf (USC #30)
  • Ornamentals Outdoor (USC #27)
  • For aquatic larval stages, see Aquatic Non-Food Sites (USC #2)
  • For Commercial Class products for biting fly control, see Human Habitat and Recreational Areas (USC #25)
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