25 Pa. Code § 211.101
The following words and terms, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise:
ATF-The United States Department of Justice, Bureau of Alcohol, Tobacco, Firearms and Explosives.
Access point-A point in the outer perimeter security and a point in the inner perimeter security that allows entry to or exit from the magazine or the magazine site.
Acts-Sections 7 and 11 of the act of July 1, 1937 (P.L. 2681, No. 537) (73 P.S. §§ 157 and 161), section 3 of the act of July 10, 1957 (P.L. 685, No. 362) (73 P.S. § 166) and Reorganization Plan No. 8 of 1981 (71 P.S. § 751-35).
Airblast-An airborne shock wave resulting from an explosion, also known as air overpressure, which may or may not be audible.
At-the-hole communication-Communication between the driller who drilled the blast holes to be loaded in a blast and the blaster-in-charge of that blast in which the driller describes the conditions of the boreholes that the driller drilled. At-the-hole communication may consist of cones placed in the boreholes with messages describing borehole conditions or verbal communication in which the driller describes the condition of the boreholes.
Blast area-The area around the blast site that must be cleared and secured to prevent injury to persons and damage to property.
Blast site-The specific location where the explosives charges are loaded into the blast holes.
Blaster-An individual who is licensed by the Department under Chapter 210 (relating to blasters' licenses) to detonate explosives and supervise blasting activities.
Blaster-in-charge-The blaster designated to have supervision and control over all blasting activities related to a blast.
Blasting activity-The actions associated with the use of explosives from the time of delivery of explosives to a worksite until all postblast measures are taken, including priming, loading, stemming, wiring or connecting, detonating, and all necessary safety, notification and monitoring measures.
Building-A structure that is designed for human habitation, employment or assembly.
Charge weight-The weight in pounds of an explosive charge.
Concertina razor wire-Razor wire that is extended in a spiral for use as a barrier, such as along or on a fence and having a minimum of 101 coils of wire to 50 linear feet.
Cube root scaled distance (Ds1/3)-A value calculated by using the formula Ds1/3 = D/(cube root) W, where actual distance (D) in feet measured in a horizontal line from the blast site to the nearest building or structure not owned or leased by the blasting activity applicant, the permittee or their customers, is divided by the cube root of the maximum weight of explosives (W) in pounds detonated per delay period of less than 8 milliseconds. Cube root scaled distance is used to estimate airblast levels.
Delay interval-The designed time interval, usually in milliseconds, between successive detonations.
Detonator-
Explosives-Any chemical compound, mixture or device, the primary or common purpose of which is to function by explosion. The term includes dynamite and other high explosives, black powder, pellet powder, initiating explosives, detonators, safety fuses, squibs, detonating cord, igniter cord and igniters. The term includes all items in the "List of Explosive Materials" provided for in 27 CFR 555.23 (relating to list of explosive materials).
FMCSA inspection-The inspection required by the Federal Motor Carrier Safety Administration in 40 CFR 396.3 (relating to inspection, repair, and maintenance).
Flyrock-Overburden, stone, clay or other material cast from the blast site through the air or along the ground, by the force of a blast, and which travels to one of the following areas:
Indoor magazine-A magazine located entirely within a secure intrusion-resistant and theft-resistant building which is primarily used for commercial or industrial purposes.
Inner perimeter security-Measures taken to increase the intrusion resistance and theft resistance of a magazine that encircles an individual or a group of magazines. These measures lie within the outer perimeter security measures.
MSHA-The United States Department of Labor, Mine Safety and Health Administration.
Magazine-A structure used for the storage of explosives.
Misfire-Incomplete detonation of explosives.
OSHA-The United States Department of Labor, Occupational Safety and Health Administration.
Outdoor magazine site-The contiguous area of land upon which the following are located: a magazine or group of magazines; the outer perimeter security, and the inner perimeter security, if any.
Outer perimeter security-Measures taken to increase the intrusion resistance of magazines that encircle the area where the magazines are situated.
Particle velocity-A measure of the intensity of ground vibration, specifically the time rate of change of the amplitude of ground vibration.
Peak particle velocity-The maximum intensity of particle velocity.
Person-A natural person, partnership, association or corporation, or an agency, instrumentality or entity of state government or a municipality.
Primer-A cartridge or package of high explosives into which a detonator has been inserted or attached.
Square root scaled distance (Ds)-A value calculated by using the formula Ds = D/(square root) W, where actual distance (D) in feet, measured in a horizontal line from the blast site to the nearest building or structure, neither owned nor leased by the blasting activity permittee or its customer, divided by the square root of the maximum weight of explosives (W) in pounds, that is detonated per delay period of less than 8 milliseconds. Square root scaled distance is used to estimate ground vibration.
Stemming-Inert material placed in a blast hole after an explosive charge for the purpose of confining the explosion gases to the blast hole, and inert material used to separate explosive charges in decked holes.
Structure-
Utility line-An electric cable, fiber optic line, pipeline or other type of conduit used to transport or transmit electricity, gases, liquids and other media including information.
Wheeled vehicle-A vehicle that moves about on three or more wheels and has a gross vehicle weight of less than 11,000 pounds.
25 Pa. Code § 211.101
The provisions of this § 211.101 amended under sections 1917-A and 1920-A of The Administrative Code of 1929 (71 P.S. §§ 510-17 and 510-20); section 4.2 of the Surface Mining Conservation and Reclamation Act (52 P.S. § 1396.4b); section 11(e) of the Noncoal Surface Mining Conservation and Reclamation Act (52 P.S. § 3311(e)); sections 7 and 11 of the act of July 1, 1937 (P.L. 2681, No. 537) (73 P.S. §§ 157 and 161); sections 3 and 4 of the act of July 10, 1957 (P.L. 685, No. 362) (73 P.S. §§ 166 and 167); Reorganization Plan No. 8 of 1981 (71 P.S. § 751-35); section 2(f) of the act of May 18, 1937 (P.L. 654, No. 174) (43 P.S. § 25-2(f)); and Reorganization Plan No. 2 of 1975 (71 P.S. § 751-22).