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

Table of Contents

Agriculture/Forestry
Industry
Society

Agriculture/Forestry

Use-Site-Category	Definition	Exclusions
1. Aquaculture Insecticides Herbicides Insect Growth Regulators (IGRs) Antifouling products	Plants or animals produced in an aquatic (marine or fresh water) environment for human consumption, including antifouling products for nets and pens.	for hydroponics, see Greenhouse Food Crops (USC # 5) and Greenhouse Non-Food Crops (USC # 6)
2. Aquatic Non-Food Sites Insecticides Herbicides Piscicides Molluscides Algicides Lampricides	Outdoor natural and man-made environments (marine or fresh water), including, but not limited to: non-food algae weeds lamprey eels fish aquatic life stages of insects zebra mussels and other mollusks includes once-through treatment of industrial water systems for zebra mussel control	Industrial Process Fluids (USC # 17) Underwater Structures and Materials (USC # 22) Swimming Pools (USC # 29) Other Indoor Surfaces, Water and Air (USC # 19) treatments of drinking water in municipal systems and private wells
3. Empty Food Storage Areas Insecticides Herbicides Rodenticides Disinfectants Plant Growth Regulators (PGRs) Insect Growth Regulatory (IGRs)	Empty commercial premises where food is to be stored or grown, including, but not limited to: disinfection of potato storage bins on farms and cooperatives empty food storage or empty greenhouses and mushroom houses devoid of growth media	disinfection or sanitization of all other commercial food storage areas subject to the Food and Drugs Act
4. Forests and Woodlots Insecticides Herbicides Fungicides PGRs IGRs	Forested areas, including, but not limited to: plantations forest nurseries Christmas tree plantations and nurseries site preparation seed production (seed orchard) conifer release	Ornamentals Outdoors (USC # 27) Greenhouse Non-Food (USC # 6)
5. Greenhouse Food Crops Insecticide Herbicides Fungicides PGRs IGRs	Edible crops growing in greenhouses, including, but not limited to: mushrooms growing in mushroom houses indoor hydroponically-grown food plants greenhouses cleared of edible crops, but containing soil and growth media	for treatment of empty greenhouses and empty mushroom houses devoid of growth media, see Empty Food Storage Areas (USC # 3) disinfection or sanitization of greenhouses or mushroom houses where a food crop is growing is subject to the Food and Drugs Act
6. Greenhouse Non-Food Crops Insecticide Herbicides Fungicide Disinfectants PGRs IGRs	Non-food crops growing in greenhouses, including, but not limited to: non-food crops growing hydroponically indoors	for treatment of empty greenhouses devoid of growth media, see Empty Food Storage Areas (USC # 3)
7. Industrial Oil Seed Crops and Fibre Crops Insecticides Herbicides Fungicides PGRs IGRs	Terrestrial plants being commercially grown only for seed production, including, but not limited to: seed crops
8. Livestock for Food Insecticide Insecticide feed-through Insect Repellents IGRs	Terrestrial animals and bees raised as a source of food for human consumption, including, but not limited to: milk meat meat by-products honey Also including: topical application for ectoparasite control	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 other treatments of animals, see Aquaculture(USC # 1) and Companion Animals (USC # 24)
9. Livestock Non-Food Insecticides	Terrestrial animals raised for uses other than as food for human consumption, including, but not limited to: fur-bearing animals	Companion Animals (USC # 24) Livestock for Food (USC # 8) all methods, other than topical application, 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 Treatments Food and Feed Insecticides Fungicides Bactericides	Seed for food or feed in a commercial application facility or on a farm to prevent insect infestation or infectious diseases. Includes the planting of treated seed either indoors or outdoors. Including, but not limited to: seed potatoes rootstock bulbs cuttings true seed
11. Seed Treatments Non-Food Insecticides Fungicides Bactericides	Seed for a non-food crop in a commercial application facility or on a farm to prevent insect infestation or infectious diseases. Included are the planting of treated seeds either indoors or outdoors. Including, but not limited to: rootstock corms bulbs cuttings true seeds
12. Stored Food and Feed Insecticides Fungicides Rodenticides PGRs IGRs	Stored bulk food, including, but not limited to: grains in elevators, ships' holds, etc. post-harvest treatment of crops, e.g., 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
13. Terrestrial Feed Crops Insecticides Herbicides Fungicides PGRs IGRs	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.	for crops treated after harvest, see Stored Food and Feed (USC # 12)
14. Terrestrial Food Crops Insecticides Herbicides Fungicides PGRs IGRs	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, e.g., pre- and post-bloom fruit trees, non-bearing strawberries, etc. crops grown for seeds for subsequent planting cranberries tobacco land to be used for future crop growth, e.g., fallow land

Industry

Use-Site-Category	Definition	Exclusions
15. Indoor Hard Surfaces Hard Surface Disinfectants Sanitizers	Indoor hard surfaces, e.g., counters, sinks, toilets and floors, in non-food areas and also in areas such as kitchens where there may be food contact. Food contamination must be avoided by appropriate label precautions.	The following antimicrobial controls are still subject to the Food and Drugs Act: food processing and meat packaging medical instruments medical care facilities, e.g., hospitals and veterinary clinics drinking water devices
16. Industrial and Domestic Vegetation Control for Non-Food Sites Herbicides PGRs	Terrestrial vegetation sites on non-agricultural lands, including, but not limited to: industrial sites parking lots tennis courts rights-of-way driveways and patios	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)
17. Industrial Process Fluids Slimicides	Industrial process fluids, including, but not limited to: water cooling towers (open, once-through and closed systems) pulp and paper drilling muds	for slime control in other sites see Swimming Pools (USC # 29) and Aquaculture (USC # 1) for ornamental ponds, see Aquatic Non-Food Sites (USC # 2) Material (USC # 18)
18. Material Material Preservatives	Products used or added to manufacture or processing to preserve the material or its function, including, but not limited to: metal cutting fluid leather textiles fuel paint canvas caulking	Underwater Structures and Materials (USC # 22) Wood (USC # 23)
19. Other Indoor Surfaces, Water and Air Slimicides Disinfectants Sanitizers	Including, but not limited to: laundry air ducts air water beds humidifiers building-related illness treatment Food contamination must be avoided by appropriate label precautions.
20. Structural 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.	Indoor Hard Surfaces (USC # 15) for termite control, see Structures and Surrounding Soil (USC # 21) products for disinfectant treatments of food storage and processing areas subject to the Food and Drugs Act
21. Structures and Surrounding Soil Termiticides	Structures and surrounding soil for preventive treatment or control of termite infestations.	Structural (USC # 20)
22. Underwater Structures and Materials Antifouling coatings	Structures intended for underwater use, including, but not limited to: lobster traps boat hulls fishing nets intake pipes	for wood preservation of underwater structures, piers and docks, see Wood (USC # 23) aquaculture pens and nets
23. Wood Heavy duty wood preservatives (HDWPs) Anti-sapstains Millwork and joinery products Remedial treatment products Wood stains and coatings	Preservation and protection of wood and wood products, including, but not limited to, HDWPs for wood used in underwater structures.	Underwater Structures and Materials (USC # 22) Structural (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.	Livestock for Food (USC # 8) and Non-Food (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, are subject to the Food and Drugs Act for products to be used on pet sleeping areas, see Structural (USC # 20)
25. Human Habitat and Recreational Areas Insecticides Insect Repellents	Outdoor commercial treatment of urban or rural habitation and recreational areas, including, but not limited to control/ repel / attract of: adult biting flies black flies mosquitoes other insects	for aquatic larval stages, see Aquatic Non-Food (USC # 2)
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, (e.g., indoor use of coils, candles, mats, etc.); impregnation into, or a spraying onto materials, (e.g., clothing, tablecloths and canvas).	products intended to repel or control ectoparasites, e.g., lice, subject to Food and Drugs Act
27. Ornamentals Outdoor Insecticides Herbicides Fungicides PGRs IGRs	Non-food plants growing outdoors, including, but not limited to: flowers trees shrubs seed crops on non-agricultural land	for grass, lawns, turf soil, sod farms, see Turf (USC # 30)
28. Indoor Plants and Plantscapes Insecticides Herbicides Fungicides PGRs IGRs	Plants grown indoors, including, but not limited to: shopping malls commercial buildings residences	see also Terrestrial Food Crops (USC # 14)
29. Swimming Pools Algicides Bactericides	Water in public or private swimming pools, hot tubs and spas.	for ornamental ponds, see Aquatic Non-Food (USC # 2)
30. Turf Insecticides Insect Repellents Herbicides Fungicides PGRs IGRs	Grass sites, including, but not limited to: lawns golf courses parks recreational areas sod farms turf soil	for natural grassland and pastures, see Terrestrial Feed Crops (USC # 13) Residential Outdoors (USC # 33)
31. Various Indoor and Outdoor Sites Animal Repellents	Products used indoors or outdoors in small quantities to repel dogs, cats, birds, bears and other vertebrate pests.	Terrestrial Food Crops (USC # 14) Terrestrial Feed Crops (USC # 3)
32. Various Outdoor Sites Vertebrate Pest Control Products Rodenticides Avicides	Commercial products used outdoors to control animal pests, including, but not limited to: gophers coyotes wolves birds	Terrestrial Food Crops (USC # 14) Terrestrial Feed Crops (USC # 13)
33. Residential Outdoors Insecticides Insect Repellents Insect Attractancts IGRs	Outdoor domestic residential use to control / repel/ attract of domestic home and yard (e.g., outdoor use of coils, candles, mats, misters, etc.) nuisance insects and ticks, including, but not limited to: wasps hornets ticks mosquitoes and 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 (USCs # 30) Ornamental Outdoors (USC # 27) for larval stages, see Aquatic Non-Food (USC# 2)