Jul 13
- Carbon Dioxide (CO2) is a natural part of Earth’s Atmosphere (NASA)
- Carbon Dioxide (CO2) levels in the atmosphere have risen from 0.028% to 0.038% (380ppm) over the past 100 years (IPCC)
- Carbon Dioxide (CO2) is not toxic until 5% (50,000ppm) concentration (Source)
- Any detrimental effects of Carbon Dioxide (CO2) including chronic exposure to 3% (30,000ppm) are reversible (Source)
- OSHA, NIOSH, and ACGIH occupational exposure standards are 0.5% (5,000 ppm) Carbon Dioxide (CO2) (Source)
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