ANSI Z83.6A-1992 (R1998)

Preface
 
 The standards set forth herein apply to the sixth edition of the Standard for Gas-Fired Infrared Heaters, ANSI Z83.6-1990, and supersede corresponding standards therein. Following their preparation by the supervising subcommitee, they were accepted by Accredited Standards Committee Z83 and subsequently approved as American National Standard by the American National Standards Institute, Inc.
 
 NOTE: Changes, other than editorial, are denoted by a vertical line in the margin.