DESIGNATION NUMBER: RFPS-1287-063

IDENTIFICATION:     "Sierra-Andersen or General Metal Works Model
1200 PM10 High-Volume Air Sampler System", consisting of a
Sierra-Andersen or General Metal Works Model 1200 PM10 Size-Selective
Inlet and any of the high volume air samplers identified as SAUV-10H,
SAUV-11H, GMW-IP-10, GMW-IP-10-70, GMW-IP-10-801, OR GMW-IP-10-8000,
which include the following components:

   Anodized aluminum high-volume shelter with either acrylonitrile
butadine styrene plastic filter holder and motor/blower housing or
stainless steel filter holder and phenolic plastic motor/blower
housing; 0.6 hp motor/blower; pressure transducer flow recorder;
either an electronic mass flow controller or a volumetric flow
controller; either a digital timer/programmer, seven day
mechanical timer, six day timer/programmer, or solid-state
timer/programmer; elapsed time indicator; and filter cartridge.

SOURCE:             Andersen Instruments, Inc.
                    4801 Fulton Industrial Boulevard
                    Atlanta, GA 30336

                    or

                    General Metal Works, Inc.
                    145 South Miami
                    Cleves, OH 45002

MANUAL
  OR  :             Manual
 AUTO

REFERENCE
   OR     :         Reference
EQUIVALENT

FEDERAL VOLUME      REGISTER PAGE       NOTICE DATE
--------------      -------------       -----------
      52                  45684         12/01/87
      53                   1062          1/15/88