DESIGNATION NUMBER : EQOA-0881-053

IDENTIFICATION :     "Monitor Labs Model 8810 Photometric Ozone
Analyzer", operated on a range of either 0 - 0.5 or 0 - 1.0 ppm, with
selectable electronic time constant settings from 20 through 150
seconds, with or without any of the following options:

                     05  Pressure Compensation
                     06  Averaging Option
                     07  Zero/Span Valves
                     08  Internal Zero/Span (Valve and Ozone Source)
                     09  Status
                     10  Particulate Filter
                     15  Through 20 DAS/REC Output

SOURCE :             Monitor Labs
                     Division of Lear Siegler Measurement Controls Corp.
                     74 Inverness Drive East
                     Englewood, CO 80112

 MANUAL
   OR      :         Automatic
AUTOMATIC

REFERENCE
   OR      :         Equivalent
EQUIVALENT

FEDERAL VOLUME       REGISTER PAGE        NOTICE DATE
--------------       -------------        -----------
     46                   52224             10/26/81