Petitioned Substances: M

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Magnesium Carbonate [PDF]

  • Date Petition Received: 11/25/05
  • Petition Area and Use: Handling: Add to 205.605, processing aid
  • Status: Added to the National List, section 205.605(b), with annotation

Magnesium Chloride

  • NOSB Meeting Petition Review: November 1999, April 2018

Magnesium Chloride

  • Petition Area and Use: Crops: Add to 205.601
  • NOSB Meeting Petition Review: September 1996
  • Status: Classified as nonsynthetic when extracted from brine, seawater, and salt deposits

Magnesium Hydroxide [PDF]

  • Date Petition Received: 04/25/02
  • Petition Area and Use: Livestock: Add to 205.603, treatment
  • NOSB Meeting Petition Review: September-02
  • Status: Added to the National List, 205.603(a), with annotations

Magnesium Oxide [PDF]

  • Date Petition Received: 2/13/13
  • Petition Area and Use: Crops: Add to 205.601
  • Technical Evaluation Report: Not requested
  • NOSB Meeting Petition Review: Apr-14
  • Status: NOSB Recommendation under NOP review

Magnesium Silicate

  • NOSB Meeting Petition Review: April-95
  • Status of NOP Activity on NOSB Recommendation, FR Notice, Sunset: Prohibited synthetic

Magnesium Stearate

Magnesium Sulfate

  • Petition Area and Use: Crops: Add to 205.601
  • NOSB Meeting Petition Review: April-95
  • Status: Added to the National List, 205.601(j)

Magnesium Sulfate

  • Petition Area and Use: Livestock: Add to 205.603
  • NOSB Meeting Petition Review: April-95
  • Status: Added to the National List, 205.603(a)

Magnesium Sulfate

  • Petition Area and Use: Handling: Add to 205.605
  • NOSB Meeting Petition Review: April-95
  • Status: Listed on 205.605(a), nonsynthetic sources only

Malic Acid

  • (See L-Malic Acid)

Malted Barley (Non-organic)

  • NOSB Meeting Petition Review: September-96
  • Status of NOP Activity on NOSB Recommendation, FR Notice, Sunset: Allowed from organic sources only

Manganese Sulfate Monohydrate [PDF]

  • Date Petition Received: 02/11/09
  • Petition Area and Use: Add to 205.601, soil amendment
  • Technical Advisory Panel Report: Not requested
  • NOSB Meeting Petition Review: Nov. 2009
  • Status: NOSB determined the substance is already on the National List at 206.601(j)

Manganese Sulfate Monohydrate 2010 [PDF]

  • Date Petition Received: 08/04/10
  • Petition Area and Use: Add to 205.601, inert ingredient
  • Status: Prohibited for use in organic crop production’ Pending NOSB Review

Marine Plants and Algae

Marsala

  • (See Alcohol: Cooking Wine, Marsala)

Methanol

  • Petition Area and Use: Livestock: Add to 205.603
  • NOSB Meeting Petition Review: November 1995
  • Status: Synthetic, not on the National List

Methionine (L-Methionine) (PDF)

Methionine (L-Methionine) [PDF]

  • Date Petition Received: 10/26/11
  • Petition Area and Use: Handling: Add to 205.605, ingredient
  • NOSB Meeting Petition Review: Oct-12
  • Status: NOSB Recommendation under NOP Review

Methionine 2005 [PDF]

Methionine 2007 [PDF]

Methionine 2009 [PDF]

Methionine 2011 [PDF]

  • Date Petition Received: 01/10/05; 12/14/07; 7/31/09; 04/08/11
  • Petition Area and Use: Livestock: Add to 205.603 as feed additive, request to extend use
  • NOSB Meeting Petition Review: February-05; May-08; April-10; April-14; April-15

Methoxychlor

  • NOSB Meeting Review: Oct-95
  • Status: Prohibited for organic production

1-Methylcyclopropene (1-MCP) (PDF)

Methyl laurate [PDF]

  • Date Petition Received: 07/26/2010
  • Petition Area and Use: Add to 205.601, inert ingredient
  • Status: Petition withdrawn

Microcrystalline Cheesewax

  • See "Cheesewax"

Micronutrients [PDF]

  • Petition Date: 06/07/12
  • Petition Area and Use: Aquaculture, plant nutrient
  • NOSB Meeting Petition Review: Apr-14
  • NOSB Recommendation: TBD
  • Status: Under NOSB Review

Micronutrients

  • Petition Area and Use: Crops: Add to 205.601
  • Status: Added to the National List, section 205.601(j), with annotations

Microorganisms [PDF]

  • Date Petition Received: 12/10/02
  • Petition Area and Use: Handling: Add to 205.605, ingredient
  • NOSB Meeting Petition Review: Apr-15
  • Status: Added to National List, 205.605(a), with annotations; Final Rule, 71 FR 532
  • Petition Supplemental Information: Docket #TH-04-01FR

Milk Replacers

  • Petition Area and Use: Livestock: Add to 205.603 as feed supplement
  • NOSB Meeting Petition Review: November 1995

Minerals, Aquaculture [PDF]

  • Petition Date: 03/27/12
  • Petition Area and Use: Aquaculture, feed additive
  • NOSB Meeting Petition Review: Apr-14
  • NOSB Recommendation: TBD
  • Status: Under NOSB Review

Minerals, Nutrients

  • Petition Area and Use: Livestock: Add to 205.603 as feed additives
  • NOSB Meeting Petition Review: November 1995
  • Status: Added to the National List, section 205.603(d)(2), with annotation

Mineral Oil [PDF]

  • Date Petition Received: 04/25/02
  • Petition Area and Use: Livestock: Add to 205.603, treatment
  • NOSB Meeting Petition Review: May-03
  • Status: Added to National List, 205.603(b), with annotation

Monocalcium Phospahate

  • Date Petition Received: 10/31/00
  • Petition Area and Use: Crop: Add to 205.601, soil amendment
  • Status of NOP Activity on NOSB Recommendation, FR Notice, Sunset: Prohibited substance for organic production and handling

Morpholine [PDF]

  • Date Petition Received: 12/05/00
  • Petition Area and Use: Handling: Add to 205.605, processing aid
  • NOSB Meeting Petition Review: December-00

Moxidectin [PDF]

  • Date Petition Received: 03/26/03
  • Petition Area and Use: Livestock: Add to 205.603, treatment
  • NOSB Meeting Petition Review: May-04; Apr-16
  • Status: Added to National List with annotation, effective May 16, 2012 {77 FR 28472}; 2016 NOSB Recommendation under NOP Review

Myrrh Oil [PDF]

  • Date Petition Received: 05/27/08
  • Petition Area and Use: Crops: Add to 205.606, ingredient
  • Technical Advisory Panel Report: not requested
  • NOSB Meeting Petition Review: May-09
  • Status: Not added to National List