30 CFR § 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.
TABLE II.--TOLERANCES FOR MOISTURE AND OTHER INGREDIENTS
+-------------------------------------+-----------+
| Quantity of ingredients (as percent | Tolerance |
| of total explosive or sheath) | percent |
+-------------------------------------+-----------+
| 0 to 5.0............................| 1.2 |
| 5.1 to 10.0.........................| 1.5 |
| 10.1 to 20.0........................| 1.7 |
| 20.1 to 30.0........................| 2.0 |
| 30.1 to 40.0........................| 2.3 |
| 40.1 to 50.0........................| 2.5 |
| 50.1 to 55.0........................| 2.8 |
| 55.1 to 100.0.......................| 3.0 |
+-------------------------------------+-----------+