COMPLIANCE INFO_2023 HEATH & SAFETY PLAN

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6.2 Environmental precautions l Avoid release to the environment. 6.3 Methods and material for containment and cleaning up Containment/Clean-up Measures l Allow the gas mixture to dissipate. If necessary, monitor the surrounding area (and the original area of the release) for concentrations of component gases. Concentrations of component gases must be below any exposure limits listed in Section 8 and Oxygen levels must be above 19.5% before non-emergency personnel are allowed to re-enter area. 6.4 Reference to other sections l Refer to Section 8 - Exposure Controls/Personal Protection and Section 13 - Disposal Considerations. Section 7 - Handling and Storage 7.1 Precautions for safe handling Handling l Use good safety and industrial hygiene practices. Use only with adequate ventilation. Be aware of any signs of dizziness or fatigue, especially if work is done in a poorly ventilated area; exposures to fatal concentrations of this gas mixture could occur without any significant warning symptoms, due to olfactory fatigue or oxygen deficiency. Cylinders should be firmly secured to prevent falling or being knocked-over. Do not attempt to repair, adjust, or in any other way modify cylinders. If there is a malfunction or another type of operational problem, contact nearest distributor immediately. 7.2 Conditions for safe storage, including any incompatibilities Storage l Cylinders should be stored in dry, well-ventilated areas away from sources of heat, ignition and direct sunlight. Do not allow area where cylinders are stored to exceed 52°C (125°F). Cylinders must be protected from the environment, and preferably kept at room temperature (approximately 21°C (70°F). Cylinders should be firmly secured to prevent falling or being knocked-over. Protect cylinders against physical damage. Store locked up. 7.3 Specific end use(s) l Refer to Section 1.2 - Relevant identified uses. Section 8 - Exposure Controls/Personal Protection 8.1 Control parameters Exposure Limits/Guidelines Result ACGIH Canada Ontario Canada Quebec China Germany DFG Carbon monoxide (630-08-0) Ceilings Not established Not established Not established 20 mg/m3 MAC (high altitude area, 2000- 3000m); 15 mg/m3 MAC (high altitude area, >3000m) 30 ppm Peak; 35 mg/m3 Peak STELs Not established 100 ppm STEV; 115 mg/m3 STEV 200 ppm STEV; 230 mg/m3 STEV 30 mg/m3 STEL (not in high altitude area)Not established TWAs 25 ppm TWA 25 ppm TWAEV; 29 mg/m3 TWAEV 35 ppm TWAEV; 40 mg/m3 TWAEV 20 mg/m3 TWA (not in high altitude area)Not established MAKs Not established Not established Not established Not established 30 ppm MAK; 35 mg/m3 MAK Methane (74-82-8)TWAs 1000 ppm TWA 1000 ppm TWAEV Not established Not established Not established 0.0015 – 23.5% Oxygen; 0.0005% – 2.5% Methane; 0.0005 – 1.0% Carbon Monoxide; 0.001 – 0.025% Hydrogen Sulfide; Nitrogen Gas balance0.0015 – 23.5% Oxygen; 0.0005% – 2.5% Methane; 0.0005 – 1.0% Carbon Monoxide; 0.001 – 0.025% Hydrogen Sulfide; Nitrogen Gas balance0.0015 – 23.5% Oxygen; 0.0005% – 2.5% Methane; 0.0005 – 1.0% Carbon Monoxide; 0.001 – 0.025% Hydrogen Sulfide; Nitrogen Gas balance0.0015 – 23.5% Oxygen; 0.0005% – 2.5% Methane; 0.0005 – 1.0% Carbon Monoxide; 0.001 – 0.025% Hydrogen Sulfide; Nitrogen Gas balance Preparation Date: 10/August/2012Preparation Date: 10/August/2012Preparation Date: 10/August/2012Preparation Date: 10/August/2012 Revision Date: 16/December/2013Revision Date: 16/December/2013Revision Date: 16/December/2013Revision Date: 16/December/2013 Format: EU CLP/REACH Language: English (US)Format: EU CLP/REACH Language: English (US)Format: EU CLP/REACH Language: English (US)Format: EU CLP/REACH Language: English (US) OSHA HCS 1994, WHMIS, UN GHS, EU CLP, EU DSD/OSHA HCS 1994, WHMIS, UN GHS, EU CLP, EU DSD/OSHA HCS 1994, WHMIS, UN GHS, EU CLP, EU DSD/OSHA HCS 1994, WHMIS, UN GHS, EU CLP, EU DSD/DPDDPDDPDDPDPage 6 of 18Page 6 of 18Page 6 of 18Page 6 of 18