30 C.F.R. § 15.21 — Tolerances for ingredients.
§ 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 of total explosive or sheath) Tolerance 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