Laboratory Ventilation System Checklist

System Overview & Documentation

1 of 7

Verifies basic system information and documentation is current and accessible.

System Name/Description

System Design Air Changes per Hour (ACH)

Date of Last System Design Review

System Schematic/Diagram

Brief Description of System Function & Purpose

System Type (e.g., Dedicated, Recirculation)

Dedicated

Recirculation

Other

Date of Last Inspection/Audit

Supply Air System

2 of 7

Covers the components responsible for providing clean air into the laboratory.

Supply Air Temperature (°C)

Supply Air Pressure (Pa)

Supply Air Flow Rate (m³/hr)

Air Filter Condition (Visual Inspection)

Excellent

Good

Fair

Poor

Last Air Filter Replacement Date

Fan Motor Operational Noise Level (Qualitative)

Any unusual observations noted during inspection?

Exhaust Air System

3 of 7

Covers the components responsible for removing contaminated air from the laboratory.

Exhaust Fan RPM (Revolutions Per Minute)

Differential Pressure Across Exhaust Filter (in inches of water)

Exhaust Duct Integrity (Visual Inspection)

Intact

Minor Damage

Significant Damage

Corrosion Present

Dampers Operating Correctly?

Yes

N/A

Last Exhaust Duct Cleaning Date

Notes/Comments on Exhaust System Condition

Location of Exhaust Fan

Fume Hoods & Local Exhaust Ventilation (LEV)

4 of 7

Focuses on the functionality and performance of fume hoods and other localized exhaust systems.

Fume Hood Face Velocity (ft/min)

Fume Hood Static Pressure (inches of water)

Fume Hood Sash Position (At Rest)

Fully Open

Mid-Position

Fully Closed

Other

Fume Hood Light Functionality

Working

Not Working

N/A

Electrical Outlet Functionality (Fume Hood)

Working

Not Working

N/A

Observations/Notes on Fume Hood Performance

Check all that apply: LEV System Issues

Excessive Noise

Visible Damage

Reduced Airflow

Alarm Activation

None Observed

Date of Last Filter Change (LEV)

Air Filtration & Quality

5 of 7

Addresses the systems and filters ensuring air purity.

Pre-Filter Pressure Drop (inches of water)

HEPA Filter Pressure Drop (inches of water)

Filter Changeout Schedule Followed?

Yes

N/A

Last Filter Change Date (Pre-Filter)

Last Filter Change Date (HEPA Filter)

Notes on Filter Condition (e.g., discoloration, damage)

Air Quality Monitoring Performed?

Yes

N/A

Upload Air Quality Test Results (if applicable)

Controls & Monitoring

6 of 7

Checks the operation of control systems, alarms, and monitoring equipment.

Supply Air Pressure (in WC)

Exhaust Air Pressure (in WC)

Fan Status

Off

Alarm

Filter Pressure Drop Status

Normal

Warning

Alarm

Last System Performance Test Date

Time of Current Reading/Inspection

Notes on Control System Operation

Screenshot of Monitoring System Dashboard (if applicable)

Maintenance Records & History

7 of 7

Reviews maintenance logs to verify scheduled maintenance has been completed.

Last Filter Change Date (Supply Air)

Last Filter Change Date (Exhaust Air)

Filter Pressure Drop (Supply Air) - Current Reading

Filter Pressure Drop (Exhaust Air) - Current Reading

Summary of Recent Maintenance Activities (Last 6 Months)

Review of Trending Data (e.g., pressure drop, airflow)

Review Completed - No Concerns

Review Completed - Minor Deviation

Review Completed - Significant Deviation - Follow Up Required