A

Allowed - restrictions may apply and are described in the annotation

X

Prohibited

A

Acetic acid
Non-synthetic

Food grade acetic acid for use as drip irrigation cleaner, as an equipment cleaner, and as an adjuvant to adjust the pH of sprays.

A

Alcohol

Non-synthetic ethyl alcohols are allowed.
Synthetic sources of ethyl and isopropyl alcohols may be used only as disinfectants or formula ingredients.

A

Alcohol, ethyl (ethanol)

Permitted for use as a disinfectant. See ‘Alcohol’

A

Alcohol, isopropyl

Permitted for use as a disinfectant. See ‘Alcohol’

A

Alkali carbonates and bicarbonates

For disinfecting greenhouse facilities.

A

Ascorbic acid , non-synthetic

Used for cleaning irrigation lines, and for adjusting the pH of sprays.

X

Benzene

Prohibited.

A

Bleach

Residual chlorine levels in the water of the following substances shall not exceed the maximum residual disinfectant limit under federal and provincial regulations:
• Calcium hypochlorite
• Chlorine dioxide
• Sodium hypochlorite
• Ozone
• Hydrogen peroxide
Not to exceed 10% in solution

X

Calcium carbide

Prohibited.

A

Calcium hypochlorite

See 'Bleach'.

A

Calcium oxide

Also known as quick lime or hot lime. For disinfecting greenhouse facilities only.

A

Caustic potash

Also known as potassium hydroxide and lye. For disinfecting greenhouses only.

A

Chlorine

See 'Bleach '.

A

Chlorine dioxide

See ‘Bleach ’.

A

Citric acid, natural

Used as drip irrigation cleaner, equipment cleaner and pH adjuster. Corrosive for soft metals.

A

Detergents

Includes soaps -- Biodegradable only (whose biodegraded components are not more harmful than the original components). Allowed for use as equipment cleaners, including equipment used in the production and processing of food.

A

Drip irrigation cleaners
(allowed)

Preferred drip irrigation cleaners include vinegar, citric acid and other naturally occurring acids.

X

Drip irrigation cleaners
(prohibited)

Prohibited drip irrigation cleaners includes nitric, phosphoric, and sulphuric acids.

A

Equipment cleaners
(allowed)

Allowed substances include acetic acid, carbonic acid, citric acid, hydrogen peroxide, soap, water and other non0synthetic cleaners.
Bleach and detergents are restricted for cleaning spray tanks and other farm equipment. See ‘Bleach’ and ‘Detergents’.

X

Equipment cleaners
(prohibited)

All synthetic equipment cleaners that are not explicitly allowed or restricted are prohibited. Aromatic petroleum solvents are prohibited.

A

Ethanol

Permitted for use as a disinfectant.

A

Ethyl alcohol,
non-synthetic

Allowed.

A

Ethyl alcohol,
synthetic

Permitted for use as a disinfectant.

X

Genetically engineered organisms

Prohibited in any form.

A

Hydrogen peroxide

Shall be food-grade quality only. Also see ‘Bleach’

A

Iodine

Non-elemental only; not to exceed 5% solution, e.g. iodophors

A

Isopropyl alcohol

Permitted for use as a disinfectant.

A

Lime

Allowed

A

Lye

Also known as caustic potash and potassium hydroxide. For disinfecting greenhouses only. Prohibited for use in crop production such as for adjusting the pH.

A

Magnesium
chloride

Natural sources only.

A

Methyl alcohol,
non-synthetic

Allowed

X

Methyl alcohol,
synthetic

Prohibited

X

Naphthalene

Prohibited

X

Nitric acid

Prohibited

A

Ozone

See ‘Bleach’

X

Pelargonic acid

Prohibited

X

Pentachloro-phenol

Prohibited

A

Peracetic acid

For us in disinfecting equipment, seed and asexually propagated planting material, once it is registered for that use in Canada.

X

Petroleum distillates

Prohibited

X

Petroleum solvents, aromatic

These petroleum fractions are prohibited because they are definite health hazards.

A

pH buffers

Shall be from a natural source such as citric acid, or vinegar. Lye and sulphuric acid are prohibited.

A

Phosphoric acid

As equipment cleaner, only in accordance with the manufacturer’s written instruction, provided no direct contact with organically managed land occurs.

X

Piperonyl butoxide

Prohibited as a synergist in botanical products. Although this material is derived from a plant source originally, it undergoes a substantial molecular change during its extraction and processing.

A

Potassium hydroxide

Also known as caustic potash and lye. For disinfecting greenhouse facilities only.

A

Potassium permanganate

Not to exceed 1% solution

A

Quick lime

Also known as burned lime or calcium oxide. For disinfecting greenhouse facilities only.

A

Rubbing alcohol (isopropyl alcohol)

Permitted for use as a disinfectant

A

Soaps

See ‘Detergents’

A

Soap-based algaecide / demisters

Algicides, disinfectants and sanitizers including irrigation cleaning systems that do not contain prohibited substances.

A

Sodium bicarbonate

Permitted for use as a cleaning agent for equipment used in the production and processing of food.

A

Sodium borate

Allowed

X

Sodium chlorate & sodium chloride

Prohibited.

A

Sodium hypochlorite

See 'Bleach'.

A

Sodium hydroxide

For disinfecting greenhouses only. Avoid contact with strong acids. Cannot be used on aluminum or like alloys.

X

Sulfuric acid

Prohibited.

A

Surfactants

See ‘Soaps’ and ‘Detergents’

X

Toluene

Prohibited.

X

Urea

All uses prohibited, including as an inert ingredient.

A

Vinegar

Allowed

A

Water, reclaimed

Reclaimed water must comply with federal, provincial and local standards and may be used only on non-edible plant parts, and which are not for human consumption. Use on edible plant parts and root crops is prohibited.

A

Wetting agents

Natural wetting agents, including soaps, saponins and microbial wetting agents are allowed. See ‘Soaps’ and ‘Detergents’.

X

Xylene

Prohibited.