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Propionic Acid
Prohibited
Livestock Management Tools and Production Aids
Synthetic
205.105(a)
Propolis
Allowed
Crop Fertilizers and Soil Amendments
Nonsynthetic
205.203(c)
Propylene Glycol
Prohibited
Livestock Health Care
Synthetic
205.105(a) & 205.238(c)(1)
Propylparaben
Prohibited
Processing Non-agricultural Ingredients and Processing Aids
Synthetic Nonagricultural
See also METHYLPARABEN.
205.105(c) [General prohibition]
Pseudomonas
Allowed with Restrictions
Processing Pest Controls
Nonsynthetic Nonagricultural
May only be used in conjunction with the facility pest management practices provided for in paragraphs 205.271(a) and (b) and only if those practices are not effective to prevent or control pests alone. Certification agent must determine when food contact should be prevented. Must use non-pathogenic strain.
205.271(c)
Pseudomonas
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
May be used for disease control. May be used for other pesticidal purposes only if the requirements of 205.206(e) are met. See also BIOLOGICAL CONTROLS.
205.206(d)(2) & 205.206(e)
Pulverized Rock
Allowed
Crop Fertilizers and Soil Amendments
Nonsynthetic
See also MINED MINERALS – UNPROCESSED.
205.203(d)(2) Mined substance of low solubility.
Pumice
Allowed
Crop Fertilizers and Soil Amendments
Nonsynthetic
See also MINED MINERALS – UNPROCESSED.
205.203(d)(2) Mined substance of low solubility.
Pumpkin Juice Color
Allowed with Restrictions
Processing Agricultural Ingredients and Processing Aids
Nonsynthetic Agricultural
Nonorganic sources may be used in or on processed products labeled as “organic” only when not commercially available in organic form. Must not be produced using synthetic solvents and carrier systems or any artificial preservative. See AGRICULTURAL INGREDIENTS – NONORGANIC for more information on the use of nonorganic agricultural ingredients.
205.301(b),(c),(f) & 205.606(d)(13)
Purple Potato Juice Color
Allowed with Restrictions
Processing Agricultural Ingredients and Processing Aids
Nonsynthetic Agricultural
Nonorganic sources may be used in or on processed products labeled as “organic” only when not commercially available in organic form. Must not be produced using synthetic solvents and carrier systems or any artificial preservative. See AGRICULTURAL INGREDIENTS – NONORGANIC for more information on the use of nonorganic agricultural ingredients.
205.301(b),(c),(f) & 205.606(d)(14)
Pyrethroids – synthetic
Prohibited
Crop Pest, Weed, and Disease Control
Synthetic
205.105(a)
Pyrethrum
Allowed with Restrictions
Processing Pest Controls
Nonsynthetic Nonagricultural
Pyrethrum is a natural botanical extract. It may only be used in conjunction with the facility pest management practices provided for in 205.271(a) and (b) and only if those practices are not effective to prevent or control pests. Certification agent must determine when food contact should be prevented.
205.271(c)
Pyrethrum
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
Pyrethrum is a natural botanical extract. Synthetic pyrethroids are prohibited. See also PLANT PESTICIDES. Piperonyl butoxide may not be used as a synergist. See also PIPERONYL BUTOXIDE. Liquid formulations with prohibited inert ingredients are prohibited.
205.206(e)
Pyrethrum
Allowed
Livestock External Parasiticides and Pesticides
Nonsynthetic
See also BOTANICALS.
205.105
Pyridoxine Hydrochloride
Allowed with Restrictions
Livestock Feed Ingredients, Livestock Health Care
Synthetic/Nonsynthetic
Source of vitamin B6. See also VITAMINS.
205.237(a), 205.237(b)(2) & 205.603(d)(3)
Quassia amara
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
See also PLANT PESTICIDES.
205.206(e)
Quaternary Ammonia
Allowed with Restrictions
Processing Sanitizers and Cleaners
Synthetic
Also known as quats. Persistent materials that are likely to leave a prohibited residue will not be Listed by OMRI. Certification agent must determine if and how these materials may be used. See also SANITIZERS, DISINFECTANTS AND CLEANERS and DETERGENTS.
Quaternary Ammonia
Allowed with Restrictions
Livestock Management Tools and Production Aids
Synthetic
Persistent materials that are likely to leave a prohibited residue will not be listed by OMRI. Certification agent must determine if and how these materials may be used. See also CLEANING AGENT.
Quick Lime
Prohibited
Crop Fertilizers and Soil Amendments
Synthetic
See CALCIUM OXIDE.
Red Cabbage Extract Color
Allowed with Restrictions
Processing Agricultural Ingredients and Processing Aids
Nonsynthetic Agricultural
Nonorganic sources may be used in or on processed products labeled as “organic” only when not commercially available in organic form. Must not be produced using synthetic solvents and carrier systems or any artificial preservative. See AGRICULTURAL INGREDIENTS – NONORGANIC for more information on the use of nonorganic agricultural ingredients.
205.301(b),(c),(f) & 205.606(d)(15)
Red Radish Extract Color
Allowed with Restrictions
Processing Agricultural Ingredients and Processing Aids
Nonsynthetic Agricultural
Nonorganic sources may be used in or on processed products labeled as “organic” only when not commercially available in organic form. Must not be produced using synthetic solvents and carrier systems or any artificial preservative. See AGRICULTURAL INGREDIENTS – NONORGANIC for more information on the use of nonorganic agricultural ingredients.
205.301(b),(c),(f) & 205.606(d)(16)
Reduced Iron
Allowed with Restrictions
Livestock Feed Ingredients, Livestock Health Care
Synthetic/Nonsynthetic
Source of iron. See also MINERALS listings.
205.237(a), 205.237(b)(2) & 205.603(d)(2)
Rennet – animal-derived
Allowed
Processing Non-agricultural Ingredients and Processing Aids
Nonsynthetic Nonagricultural
See also ENZYMES – ANIMAL-DERIVED.
205.605(a) Animal enzymes… Rennet.
Repellents
Allowed
Processing Pest Controls
Synthetic/Nonsynthetic
Repellents using nonsynthetic or synthetic substances consistent with the National List
205.271(b)(2)
Repellents
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Synthetic/Nonsynthetic
Repellents that contain synthetic additives on the National List at 206.601 may be used only if the requirements of 205.206(e) are met.
Repellents, Vertebrate Animal – nonsynthetic
Allowed
Crop Pest, Weed, and Disease Control
Nonsynthetic
Acceptable if derived from a nonsynthetic source, such as blood meal, rotten eggs, hair, or predator scents, provided synthetic additives are not used.
205.206(b)(3) Nonsynthetic controls such as lures, traps, and repellents.
Rhizobium bacteria
Allowed
Crop Fertilizers and Soil Amendments, Crop Management Tools and Production Aids
Nonsynthetic
Symbiotic bacteria that form nodules on the roots of legumes and fix nitrogen. May not be from genetically modified sources. See also INOCULANTS.
205.203
Riboflavin
Allowed with Restrictions
Livestock Feed Ingredients, Livestock Health Care
Synthetic/Nonsynthetic
Source of vitamin B2. See also VITAMINS.
205.237(a), 205.237(b)(2) & 205.603(d)(3)
Riboflavin-5-Phosphate
Allowed with Restrictions
Livestock Feed Ingredients, Livestock Health Care
Synthetic/Nonsynthetic
Source of vitamin B2. See also VITAMINS.
205.237(a), 205.237(b)(2) & 205.603(d)(3)
Rock Dusts – unprocessed
Allowed
Crop Fertilizers and Soil Amendments
Nonsynthetic
See also MINED MINERALS – UNPROCESSED.
205.203(d)(2) A mined substance of low solubility.
Rockwool
Prohibited
Crop Fertilizers and Soil Amendments, Crop Management Tools and Production Aids
Synthetic
205.105(a)
Rodent Traps
Allowed
Crop Pest, Weed, and Disease Control
Nonsynthetic
Mechanical traps are acceptable without synthetic baits.
205.206(b)(3) Nonsynthetic controls such as lures, traps, and repellents.
Rodenticides
Prohibited
Processing Pest Controls
Agricultural
Strychnine is prohibited for use as a rodenticide. See Glossary for definition of "rodenticide."
205.602(h) & 205.604(a)
Rodenticides
Allowed with Restrictions
Processing Pest Controls
Synthetic Nonagricultural
Vitamin D3 may only be used in conjunction with the preventative management practices provided for in paragraphs 205.271(a) and (b) and only when those practices are not effective to prevent or control pests alone. Other rodenticides may only be used in conjunction with the management practices provided for in paragraphs 205.271(a), (b) and (c) and only when those practices are not effective to prevent or control pests. Contact with food or ingredients must be prevented. See Glossary for definition of "rodenticide."
205.271(a),(b),(c) & 205.601(g)
Rotenone
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
Particularly toxic to fish. Piperonyl butoxide may not be used as a synergist. See also PIPERONYL BUTOXIDE and PLANT PESTICIDES.
205.206(e)
Row Covers
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Synthetic
Must not be incorporated into soil or left in field to decompose; must be removed at the end of the growing season. Use of polyvinyl chloride as plastic mulch or row cover is prohibited.
205.206(c)(6) & 205.601(b)(2)(ii) As herbicides, weed barriers, as applicable… Mulches… Plastic mulch and covers (petroleum-based other than polyvinyl chloride (PVC)).
Ryania
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
See also PLANT PESTICIDES.
205.206(e)
Sabadilla
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
See also PLANT PESTICIDES.
205.206(e)
Saffron Color
Allowed with Restrictions
Processing Agricultural Ingredients and Processing Aids
Nonsynthetic Agricultural
Nonorganic sources may be used in or on processed products labeled as “organic” only when not commercially available in organic form. Must not be produced using synthetic solvents and carrier systems or any artificial preservative. See AGRICULTURAL INGREDIENTS – NONORGANIC for more information on the use of nonorganic agricultural ingredients.
205.301(b),(c),(f) & 205.606(d)(17)
Salt
Allowed
Processing Non-agricultural Ingredients and Processing Aids
Nonsynthetic Nonagricultural
Excluded from ingredient percentage calculations. Must not contain materials such as prohibited flowing agents or whiteners.
205.270, 205.301 & 205.302
Salt
Allowed
Livestock Feed Ingredients, Livestock Health Care, Livestock Management Tools and Production Aids
Nonsynthetic
Also known as "sodium chloride": a source of sodium and chlorine. May not contain any synthetic anti-caking agents or other prohibited substances. See also SODIUM – NONSYNTHETIC.
205.237(a)
Sand
Allowed
Crop Fertilizers and Soil Amendments
Nonsynthetic
See also MINED MINERALS – UNPROCESSED.
205.203(d)(2) A mined substance of low solubility.
Sand – steamed
Allowed
Processing Non-agricultural Ingredients and Processing Aids
Nonsynthetic Nonagricultural
For use as an anti-caking agent and substitute for silicon dioxide.
205.605(b)
Sanitizers, Disinfectants and Cleaners
Allowed with Restrictions
Processing Sanitizers and Cleaners
Synthetic
Considered to meet the requirements under 205.105(c) provided measures are taken to prevent contact of the organically produced products or ingredients with the substance used. See also DETERGENTS.
205.105(c)
Saponins
Allowed
Crop Management Tools and Production Aids
Nonsynthetic
See also PLANT EXTRACTS.
205.105
Sawdust
Allowed
Crop Fertilizers and Soil Amendments
Nonsynthetic
From untreated and unpainted wood only. See also PLANTS and WOOD – TREATED.
205.203(c)(3) Uncomposted plant materials.
Sea Salt
Allowed
Processing Non-agricultural Ingredients and Processing Aids
Nonsynthetic Nonagricultural
Excluded from ingredient percentage calculations. Must not contain materials such as prohibited flowing agents or whiteners.
205.270, 205.301 & 205.302
Sea Salt
Allowed
Crop Fertilizers and Soil Amendments, Crop Management Tools and Production Aids
Nonsynthetic
205.105
Sea Salt
Allowed with Restrictions
Crop Pest, Weed, and Disease Control
Nonsynthetic
For use as a pest lure, repellent, or as part of a trap, or as a disease control. May be used for other pesticidal purposes only if the requirements of 205.206(e) are met. See also SODIUM CHLORIDE listings.
205.206(b),(c),(d) & (e)
Seaweed
Allowed
Livestock Feed Ingredients
Nonsynthetic
Kelp must be organic. See also AQUATIC PLANT PRODUCTS. See Glossary for definition of "seaweed" and "kelp."
205.237(a)