---
kind: "section"
citation: "40 C.F.R. § 180.1090"
title: "40"
number: "180.1090"
heading: "Lactic acid, including l-lactic acid; exemption from the requirement of a tolerance."
url: "https://uscodex.org/cfr/40/180.1090"
---

# §180.1090. Lactic acid, including l-lactic acid; exemption from the requirement of a tolerance.

- (a) Lactic acid (2-hydroxypropanoic acid), including l-lactic acid is exempted from the requirement of a tolerance when used as a plant growth regulator or fruit and vegetable wash in or on all raw agricultural commodities.
- (b) An exemption from the requirement of a tolerance is established for indirect or inadvertent residues of lactic acid (2-hydroxypropanoic acid), including l-lactic acid, in or on all livestock commodities, when residues are present therein as a result of animal drinking water coming into contact with hard non-porous surfaces treated with lactic acid (i.e., troughs).

## Notes

### Amendments

[89 FR 70109, Aug. 29, 2024]

### Authority

Authority: 21 U.S.C. 321(q), 346a and 371.

### Source

Source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.

### Amendments

[89 FR 70109, Aug. 29, 2024]