New Hampshire Code of Administrative Rules
Lab - Commissioner, Department of Labor
Chapter Lab 1400 - SAFETY AND HEALTH OF EMPLOYEES
Part Lab 1403 - RULES FOR EMPLOYEE SAFETY AND HEALTH
Section Lab 1403.33 - Lasers

Universal Citation: NH Admin Rules Lab 1403.33

Current through Register No. 40, October 3, 2024

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.

#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

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