Paper, pencil, recording devices

Smoke tubes, candles

Velometer

Pilot tube, manometer, hoses

Drill, bits

Tape measure

Flashlight

Ladder

Rags

Watch

RPM meter

Sound level meter

Volt/amp meter

Original design specifications and drawings

Original operating conditions

Modifications

Past inspection reports

Persons to contact

Maintenance schedule

Controls

Lockout provisions

Compliance inspections

Exposure monitoring records

Injury and illness history

Complaints

Suggestions

Observed work practices

Interaction with control

Interaction with emission source

Training

Use of personal protective equipment (PPE)

Cooperation

Location of emissions

Rates of emission

Chemical characteristics

Physical characteristics

Employee exposure levels

Environment

Type (enclosure, receive, capture)

Capture velocity

Face velocity

Performance during normal operation

Performance during abnormal operation

Compatibility with work requirements

Physical integrity

competing air currents

Hood static pressure

Hood entry loss

Physical integrity

Plugging and blockage

Transport velocities

Duct material

Changes since last inspection

Blast gate and damper settings

Physical integrity

Static pressure drop

Waste stream handling

Maintenance and operation

PM program followed

Direction of rotation

RPM

Pulleys, belts

Access doors

Fan wheel

Fan housing

Flexible coupling

Inlet/outlet

Stack weather head

Bearings

Vibration and noise

Fan SP/fan TP

RPM

Rated HP

Amperage

Actual BHP

Drive train

Temperature

Weather protection

Vibration

Same CFM as exhaust

Force on doors

Drafts at exterior walls

Inlets

Heat/cooling source

Distribution

Interference with capture velocity

Back-up system

Monitoring or warning system

Hood static pressure

Capture velocity

Face velocities

Duct diameters, lengths

Duct transport velocities

Temperature, pressure

Flow rates

Fan SP/fan TP

Fan RPM

Motor RPM

Motor amps

System static pressure