![]() ![]() OSHA CO 2 exposure limits: OSHA recommends a lowest oxygen concentration of 19.5% in the work place for a full work-shift exposure.Īs we calculated above, for the indoor workplace oxygen level to reach 19.5% (down from its normal 20.9% oxygen level in outdoor air) by displacement.Threshold limit value (TLV) and permissible exposure limit (PEL) assigned to any material. NIOSH CO 2 exposure limits: NIOSH recommends a maximum concentration of carbon dioxide of 10,000 ppm or 1% (for the workplace,įor a 10-hr work shift with a ceiling of 3.0% or 30,000 ppm for any 10-minute period).ASHRAE standard 62-1989 recommends an indoor air ventilation standard of 20 cfm per person of outdoor air or a CO 2 level which is below 1000ppm.Sufficient data were not available to recommend Skin, SEN, or carcinogenicity notations. The TLV-STEL is based on the short term, high carbon dioxide exposure studies that produced increased pulmonary ventilation rates. The recommended values are intended to minimize the potential for asphyxiation and undue metabolic stress. CO 2 TLV-STEL, 30,000 ppm (54,000 mg/m 3)Ī TLV-TWA of 5000 ppm (9000 mg/m 3) and a TLV-STEL of 30,000 ppm (54,000 mg/m 3) are recommended for occupational exposure to carbon dioxide.ACGIH exposure limit recommendations for Carbon Dioxide are as follows:.Nevertheless extensive research has documented health and performance impacts of exposure to carbon dioxide at various levels. NCCEH cited below citing in turn (Health Canada 1987)Ĭarbon dioxide is regulated for diverse purposes but not as a toxic substance. ![]() Some of this data from table B1 cited in the EPA table in turn cites Compessed Gas Association 1990.ģ. Mild headache, sweating, and dyspnea at restĭecreased mental performance, Sick Building Syndrome Complaints 2ġ Adapted & expanded (to add ppm) from EPA, APPENDIX B-I ACUTE HEALTH EFFECTS of CARBON DIOXIDE cited below. Headache, dizziness, increased blood pressure, Headache, increased heart rate, shortness of breath, Unconsciousness, convulsions, coma, deathĭizziness, drowsiness, severe muscle twitching, Loss of controlled and purposeful activity, Table B-1 1 & B-2 1 Acute & Other Health Effects of High Concentrations of Carbon Dioxide What are the Allowable Limits of CO 2 Exposure - Carbon dioxide PEL & TLV by ACGIH, OSHA & NIOSH We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. IF YOU SUSPECT ANY BUILDING GAS-RELATED POISONING GO INTO FRESH AIR IMMEDIATELYĪnd get others out of the building, then call your fire department or emergency services for help. Links on this page also direct the reader to carbon monoxide gas information in a separate document. Seek prompt advice from your doctor or health/safety experts if you have any reason to be concerned about exposure to toxic gases. However it should by no means be considered complete nor authoritative. This text may assist readers in understanding these topics. This is background information, obtained from expert sources. We give references and explanation regarding Toxicity of Carbon Dioxide, based on literature search and search on Compuserve's Safety Forum by Dan Friedman. This document discusses the exposure limits for carbon dioxide gas (CO 2). We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.
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