N.H. Admin. Code § Lab 1403.33

Current through Register No. 50, December 12, 2024

Section Lab 1403.33 - Lasers

The employer shall ensure compliance with the following requirements:

(a) Only employees who have had training by the employer or equipment manufacturer shall be assigned to install, adjust, and operate laser equipment;

(b) Employees shall wear appropriate eye protection designed to safeguard against potential exposure to laser light greater than 0.005 watts (5 milliwatts);

(c) Beam shutters or caps shall be utilized, or the laser turned off, when laser transmission is not actually required. When the laser is left unattended, such as during lunch hour, overnight, or at change of shifts, the laser shall be turned off;

(d) Employees shall not be exposed to light intensities above the following:

(1) Direct staring - 1 micro-watt per square centimeter;

(2) Incidental observing - 1 milliwatt per square centimeter; and

(3) Diffused reflected light - 2-1/2 watts per square centimeter; and

(e) Employees shall not be exposed to microwave power densities in excess of 10 milliwatts per square centimeter.

N.H. Admin. Code § Lab 1403.33

#4118 eff 8-22-86, EXPIRED: 8-22-92

New. #6684, eff 2-4-98, EXPIRED: 2-4-06

New. #8606, INTERIM, eff 4-12-06, EXPIRED: 10-09-06 (formerly Lab 1403.46 )

New. #8796, eff 1-11-07

Amended and Renumbered from Lab 1403.31 by Volume XXXV Number 18, Filed May 7, 2015 , Proposed by #10809, Effective 4/9/2015, Expires4/9/2015.