N.M. Admin. Code § 19.8.20.2033

Current through Register Vol. 36, No. 1, January 14, 2025

Section 19.8.20.2033 - USE OF EXPLOSIVES: RECORDS OF BLASTING OPERATIONS

The operator shall retain a record of all blasts for at least 3 years. Upon request, copies of these records shall be made available to the director and to the public for inspection. Such records shall contain the following data:

A. name of the operator 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 Subsection E of 19.8.20.2032 NMAC;

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 patterns;

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 protection used;

O. seismographic and airblast records, if required, which shall include:

(1) type of instrument, sensitivity, and calibration signal or certification of annual calibration;

(2) exact location of instrument and the date, time, and distance from the blast;

(3) name of the person and firm taking the reading;

(4) name of the person and firm analyzing the seismographic record; and

(5) the vibration and/or airblast level recorded;

P. reasons and conditions for each unscheduled blast.

N.M. Admin. Code § 19.8.20.2033

11-29-97; 19.8.20.2033 NMAC - Rn, 19 NMAC 8.2.20.2033, 9-29-2000