CO2 Safety

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Carbon Dioxide (CO2) is a gas that is present in the air we breathe in small quantities. About 400 Parts Per Million (PPM). CO2 is a widely used gas in the beverage and cannabis industries can be extremely dangerous if not used properly. The latest revision of the International Fire Code (IFC 2015) requires that any site using Carbon Dioxide to have a detection system for CO2 gas. This code also requires that a notification or alarm be set off when the atmosphere reaches 5,000ppm. Many times other equipment can be needed to comply or keep workers safe.


Call us for assistance in designing or auditing your existing system. We will help you become compliant with your local codes that are based upon IFC 2015. We can help!


Whether you are enriching a plant growing atmosphere with CO2 or brewing beer or have a restaurant Gas & Safety Systems Consulting, LLC will help to keep you safe and compliant.

Carbon Dioxide (CO₂) Safety and Compliance

  • Carbon Dioxide (CO₂) is naturally present in the air at concentrations around 400 parts per million (ppm). While essential in many industries—including breweries, restaurants, cannabis grow operations, food processing, and laboratories—CO₂ can become dangerous when stored or used in enclosed or poorly ventilated spaces.
  • Under the 2024 International Fire Code (IFC), any facility using or storing compressed CO₂ (especially in cylinders or bulk systems) must install continuous gas detection systems. These detectors must trigger visible and/or audible alarms when concentrations reach 5,000 ppm, in accordance with OSHA 29 CFR 1910.1000 exposure limits.
  • Depending on your system's volume and location, you may also be required to install: 
  • Mechanical ventilation or exhaust systems
  • Warning signage
  • Emergency shut-off switches
  • Automated system controls with interlocks
  • Additional requirements may apply based on NFPA 55 (2023 Edition) and CGA standards (P-1, G-6.5, and C-6.4), which outline best practices for system design, component integrity, inspections, and safe handling procedures.

Smart System Integration with SGS Safe Touch Pro™

At Safe Gas Systems, we offer SGS Safe Touch Pro™—a purpose-built control system that fully integrates:

  • CO₂ gas detection
  • Oxygen deficiency monitoring
  • Emergency exhaust fan activation
  • Warning strobes and alarms
  • Manual and automatic system shutdown controls
  • Fire alarm panel interfacing

These features not only simplify code compliance, but also enhance safety, improve system visibility, and allow for remote monitoring and response.

Code Inspections & Safety Audits 

We also provide on-site inspections and compliance audits to ensure your existing CO₂ systems meet the latest IFC, OSHA, CGA, and NFPA standards. Whether you're installing a new system or upgrading an existing one, our team ensures that every component—controls, sensors, ventilation, piping, and storage—is properly installed, labeled, and functional.

Protect Your People and Your Facility

Let Safe Gas Systems , LLC help you design, upgrade, or validate your CO₂ systems. We specialize in code-compliant installations, intelligent safety

controls, and comprehensive compliance inspections.


Contact us today to ensure your system meets the latest safety requirements and industry best practices.

Safety Limits for Exposure to CO2

Carbon Dioxide (124-38-9)

ACGIH ACGIH TLV-TWA (ppm) 5000 ppm
ACGIH ACGIH TLV-STEL (ppm) 30000 ppm
USA OSHA OSHA PEL (TWA) (mg/m3) 9000 mg/m3
USA OSHA OSHA PEL (TWA) (ppm) 5000 ppm
USA IDLH US IDLH (ppm) 40000 ppm
ACGIH Not Established
USA OSHA Not Established

Carbon Dioxide (124-38-9)

ACGIH ACGIH TLV-TWA 5000 ppm
ACGIH ACGIH TLV-STEL (ppm) 30000 ppm
USA OSHA OSHA PEL (TWA) (mg/m3) 9000 mg/m3
USA OSHA OSHA PEL (TWA) (ppm) 5000 ppm