Virginia Administrative Code
Title 4 - CONSERVATION AND NATURAL RESOURCES
Agency 25 - DEPARTMENT OF ENERGY
Chapter 130 - COAL SURFACE MINING RECLAMATION REGULATIONS
Part 817 - Permanent Program Performance Standards-Underground Mining Activities
Section 4VAC25-130-817.68 - Use of explosives; records of blasting operations
Current through Register Vol. 41, No. 3, September 23, 2024
The permittee shall retain a record of all blasts for at least 3 years. Upon request, copies of these records shall be made available to the division and to the public for inspection. Such records shall contain the following data:
(a) Name of the permittee conducting the blast.
(b) Location, date, and time of the blast.
(c) Name, signature, and certification number of the blaster conducting the blast.
(d) Identification, direction, and distance, in feet, from the nearest blast hole to the nearest dwelling, public building, school, church, community or institutional building outside the permit area, except those described in 4VAC25-130-817.67(e).
(e) Weather conditions, including those which may cause possible adverse blasting effects.
(f) Type of material blasted.
(g) Sketches of the blast pattern including number of holes, burden, spacing, decks, and delay pattern.
(h) Diameter and depth of holes.
(i) Types of explosives used.
(j) Total weight of explosives used per hole.
(k) The maximum weight of explosives detonated in an 8-millisecond period.
(l) Initiation system.
(m) Type and length of stemming.
(n) Mats or other protections used.
(o) Seismographic and airblast records, if required, which shall include-
(p) Reasons and conditions for each unscheduled blast.
Statutory Authority
§§ 45.1-161.3 and 45.1-230 of the Code of Virginia.
