---
kind: "section"
citation: "40 C.F.R. § 160.47"
title: "40"
number: "160.47"
heading: "Facilities for handling test, control, and reference substances."
url: "https://uscodex.org/cfr/40/160.47"
---

# §160.47. Facilities for handling test, control, and reference substances.

- (a) As necessary to prevent contamination or mixups, there shall be separate areas for:
  - (1) **Receipt and storage of the test, control, and reference substances.**
  - (2) Mixing of the test, control, and reference substances with a carrier, e.g., feed.
  - (3) **Storage of the test, control, and reference substance mixtures.**
- (b) Storage areas for test, control, and/or reference substance and for test, control, and/or reference mixtures shall be separate from areas housing the test systems and shall be adequate to preserve the identity, strength, purity, and stability of the substances and mixtures.

## Notes

### Authority

Authority: 7 U.S.C. 136a, 136c, 136d, 136f, 136j, 136t, 136v, 136w; 21 U.S.C. 346a, 371, Reorganization Plan No. 3 of 1970.

### Source

Source: 54 FR 34067, Aug. 17, 1989, unless otherwise noted.