---
kind: "section"
citation: "30 C.F.R. § 15.21"
title: "30"
number: "15.21"
heading: "Tolerances for ingredients."
url: "https://uscodex.org/cfr/30/15.21"
---

# §15.21. Tolerances for ingredients.


Tolerances for each ingredient in an explosive, which are expressed as a percentage of the total explosive, shall not exceed the following:

- (a) **Physical sensitizers—** The tolerances established by the applicant;
- (b) **Aluminum—** ±0.7 percent;
- (c) **Carbonaceous materials—** ±3 percent; and
- (d) **Moisture and ingredients other than specified in paragraphs (a), (b), and (c) of this section—** The tolerances specified in Table II.

## Notes

### Authority

Authority: 30 U.S.C. 957.

### Source

Source: 53 FR 46761, Nov. 18, 1988, unless otherwise noted.