25 Pa. Code § 88.137

Current through Register Vol. 54, No. 44, November 2, 2024

Section 88.137 - Use of explosives: records of blasting operations

A record of each blast shall be retained for at least 3 years and shall be available for inspection by the Department and the public on request. Seismographic reports, if applicable, must be made a part of that record. The record must contain the following data:

(1) The name of the operator conducting the blast.

(2) The location, date and time of blast.

(3) The name, signature and license number of blaster-in-charge.

(4) The identification of and the direction and distance, in feet, to the nearest dwelling, school, church or commercial or institutional building if it is one of the following:

(i) Not located in the permit area.

(ii) Not owned nor leased by the person who conducts the surface mining activities.

(5) Weather conditions, including temperatures, wind direction and approximate velocity.

(6) The type of material blasted.

(7) The number of holes, burdens and spacing.

(8) The diameter and depth of holes.

(9) The types of explosives used.

(10) The scaled distance.

(11) The total weight of explosives used.

(12) The maximum weight of explosives detonated per delay interval.

(13) The maximum number of holes detonated per delay interval.

(14) The initiation system.

(15) The type and length of stemming.

(16) The mats or other protections used.

(17) The type of delay detonator and delay periods used.

(18) The arrangement of the delay pattern.

(19) The seismograph records, when required, including the calibration signal of the gain setting and the following:

(i) A seismograph reading, including exact location of seismograph and its distance from the blast.

(ii) The name of the person taking the seismograph reading.

(iii) The name of the person and firm analyzing the seismographic record.

25 Pa. Code § 88.137

The provisions of this §88.137 adopted December 19, 1980, 10 Pa.B. 4789, effective 7/31/1982, 12 Pa.B. 2382; amended March 30, 1984, 14 Pa.B. 1143, effective 8/10/1985, 15 Pa.B. 2872; amended January 4, 1985, effective immediately upon the approval by the Secretary of the United States Department of the Interior and publication thereof in the Pennsylvania Bulletin, 15 Pa.B. 13; amended August 8, 2008, effective 8/9/2008, 38 Pa.B. 4355.

The provisions of this §88.137 amended under section 4.2 of the Surface Mining Conservation and Reclamation Act (52 P. S. § 1396.4b); section 11 of the Noncoal Surface Mining Conservation and Reclamation Act (52 P. S. § 3311); and sections 1917-A and 1920-A of The Administrative Code of 1929 (71 P. S. §§ 510-17 and 510-20).

This section cited in 25 Pa. Code § 88.493 (relating to minimum environmental protection performance standards).