# 7 C.F.R. § 205.602 (2026): Nonsynthetic substances prohibited for use in organic crop production

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_602

## Section

- **Citation:** 7 C.F.R. § 205.602 (2026)
- **Heading:** Nonsynthetic substances prohibited for use in organic crop production
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 7 CFR: Agriculture / Chapter I: AGRICULTURAL MARKETING SERVICE (STANDARDS, INSPECTIONS, MARKETING PRACTICES), DEPARTMENT OF AGRICULTURE / Part 205: NATIONAL ORGANIC PROGRAM / Subpart G: Administrative / § 205.602: § 205.602   Nonsynthetic substances prohibited for use in organic crop production.

## Text

The following nonsynthetic substances may not be used in organic crop production:
(a) Ash from manure burning.
(b) Arsenic.
(c) Calcium chloride, brine process is natural and prohibited for use except as a foliar spray to treat a physiological disorder associated with calcium uptake.
(d) Lead salts.
(e) Potassium chloride—unless derived from a mined source and applied in a manner that minimizes chloride accumulation in the soil.
(f) Rotenone (CAS # 83-79-4).
(g) Sodium fluoaluminate (mined).
(h) Sodium nitrate—unless use is restricted to no more than 20% of the crop's total nitrogen requirement; use in spirulina production is unrestricted until October 21, 2005.
(i) Strychnine.
(j) Tobacco dust (nicotine sulfate).
[68 FR 61992, Oct. 31, 2003, as amended at 83 FR 66572, Dec. 27, 2018]

## Nearby sections

- [7 C.F.R. § 205.600 (2026) § 205.600   Evaluation criteria for allowed and prohibited substances, methods, and ingredients.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_600.md)
- [7 C.F.R. § 205.601 (2026) § 205.601   Synthetic substances allowed for use in organic crop production.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_601.md)
- [7 C.F.R. § 205.602 (2026) § 205.602   Nonsynthetic substances prohibited for use in organic crop production.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_602.md)
- [7 C.F.R. § 205.603 (2026) § 205.603   Synthetic substances allowed for use in organic livestock production.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_603.md)
- [7 C.F.R. § 205.604 (2026) § 205.604   Nonsynthetic substances prohibited for use in organic livestock production.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_604.md)
- [7 C.F.R. § 205.605 (2026) § 205.605   Nonagricultural (nonorganic) substances allowed as ingredients in or on processed products labeled as “organic” or “made with organic (specified ingredients or food group(s)).”](https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_605.md)
- [7 C.F.R. § 205.606 (2026) § 205.606   Nonorganically produced agricultural products allowed as ingredients in or on processed products labeled as “organic.”](https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_606.md)
- [7 C.F.R. § 205.607 (2026) § 205.607   Amending the National List.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_607.md)
- [7 C.F.R. § 205.620 (2026) § 205.620   Requirements of State organic programs.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_620.md)
- [7 C.F.R. § 205.621 (2026) § 205.621   Submission and determination of proposed State organic programs and amendments to approved State organic programs.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_621.md)
- [7 C.F.R. § 205.622 (2026) § 205.622   Review of approved State organic programs.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_622.md)
- [7 C.F.R. § 205.640 (2026) § 205.640   Fees and other charges for accreditation.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_640.md)
- [7 C.F.R. § 205.641 (2026) § 205.641   Payment of fees and other charges.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_641.md)
- [7 C.F.R. § 205.642 (2026) § 205.642   Fees and other charges for certification.](https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_642.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T7_P205_S205_602. Check the current official text before relying on it. Not legal advice.