Administrative Code

Creating a Report: Check the sections you'd like to appear in the report, then use the "Create Report" button at the bottom of the page to generate your report. Once the report is generated you'll then have the option to download it as a pdf, print or email the report.

Virginia Administrative Code
Title 4. Conservation And Natural Resources
Agency 25. Department of Energy
Chapter 110. Regulations Governing Blasting in Surface Mining Operations
7/2/2022

4VAC25-110-200. Records.

A record of each blast shall be kept. All records including seismograph reports shall be retained at least three years and shall be available for inspection by the Division of Mines and shall contain the data required in DMLR regulations, 4VAC25-130-816.68:

1. Name of the operator conducting the blast;

2. Location, date and time of blast;

3. Name, signature, and certification number of the blaster conducting the blast;

4. Type of material blasted;

5. Sketches of the blast pattern, including number of holes, burden, spacing, decks, and delay interval;

6. Diameter and depth of holes;

7. Types of explosives used;

8. Total weight of explosives used per hole;

9. Maximum weight of explosives detonated in an eight-millisecond period;

10. Initiation system;

11. 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 mine area, except those structures owned by the operator and not leased to another person, if a written waiver by the lessee is submitted to the division before blasting;

12. Weather conditions including those which may cause adverse blasting effects;

13. Type and length of stemming;

14. Mats or other protections used;

15. Seismographic and airblast records, if required, which shall include:

a. Name of person and firm taking the reading;

b. Name of person and firm analyzing the seismographic record;

c. Vibration or airblast level recorded;

d. Type of instrument, sensitivity, and calibration signal or certification of annual calibration; and

e. Exact location of instrument and the date, time and distance from the blast; and

16. Reasons and conditions for each unscheduled blast.

Statutory Authority

§§ 45.1-161.3, 45.1-161.254 and 45.1-161.286 of the Code of Virginia.

Historical Notes

Derived from VR480-05-97, Part VI, eff. December 11, 1985; amended, Virginia Register Volume 15, Issue 22, eff. August 18, 1999.

Website addresses provided in the Virginia Administrative Code to documents incorporated by reference are for the reader's convenience only, may not necessarily be active or current, and should not be relied upon. To ensure the information incorporated by reference is accurate, the reader is encouraged to use the source document described in the regulation.

As a service to the public, the Virginia Administrative Code is provided online by the Virginia General Assembly. We are unable to answer legal questions or respond to requests for legal advice, including application of law to specific fact. To understand and protect your legal rights, you should consult an attorney.