![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Tert-Butyl Alcohol (TBA)
These resources provide information on tert-butyl alcohol (TBA) (synonyms: tertiary-butyl alcohol; t-butyl alcohol; 2-methyl-2-propanol; 1,1-dimethyl ethanol; trimethyl carbinol; tert-butanol; t-butyl hydroxide; trimethyl methanol; dimethyl ethanol; and methyl-2-propanol), including its chemical properties, fate and transport, remediation, and health impacts. For information on other oxygenates, return to the oxygenates main page.
[ DISCLAIMER ]
Characteristics And Properties
- Chemical Profile for Tert-Butyl Alcohol (CAS Number: 75-65-0)
2005.
Provided by Scorecard, an online resource for information about pollution problems and toxic chemicals, this Web page provides basic TBA-related information and links to other resources. - Envirofacts Warehouse Chemical References:
Tert-Butyl Alcohol, CAS #75-65-0 Undated.
EPA's Envirofacts Master Chemical Integrator provides links to a variety of TBA resources produced by EPA and other organizations.
Health And Safety
- Expedited Evaluation of Risk Assessment for Tertiary Butyl Alcohol in Drinking Water 1999.
This memorandum from the State of California summarizes an interim assessment of TBA-related issues including health effects. - Hazard Narrative for
Tertiary-Butyl Alcohol (TBA) (PDF) (88 pp, 581K, About PDF) 2005.
Prepared by the American Petroleum Institute, this paper presents the results of a quantitative risk assessment in which data on the mode of action by which TBA induced renal tumors in rats and thyroid tumors in mice was considered. - Inhalation Exposure to Methyl tert-Butyl
Ether (MTBE) Using Continuous Breath Analysis (PDF) (90 pp, 1.8MB, About PDF) 2003. EPA/600/R-05/095.
This report presents the results of an EPA-funded study examining the use of a continuous breath analyzer used to measure MTBE and TBA in the breath of the volunteers exposed to MTBE either in baths or in showers. - NIOSH Pocket Guide to Chemical Hazards: Tert-Butyl Alcohol 2005.
This pocket guide, prepared by the National Institutes of Health, provides basic safety and handling information related to TBA. - Target Organs and Levels of Evidence for NTP Technical Report Number 436 2001.
Prepared by the U.S. Department of Health and Human Service's National Toxicology Program, this Web page provides information on the carcinogenicity of TBA. - Toxicology and Carcinogenesis Studies of T-Butyl Alcohol (CAS No. 75-65-0) in F344/N Rats and B6C3F1 Mice (Drinking Water Studies)
1995.
Prepared by the U.S. Department of Health Service's National Toxicology Program, this Web page provides the abstract of a TBA-related carcinogenicity study in rats and mice.
Policy
- Tert-Butyl Alcohol (TBA) Groundwater Clean-up Levels for LUST Sites: Current & Proposed (PDF) (1 pg, 53K, About PDF) 2004.
Prepared for EPA, this map provides state-by-state information on ground water cleanup levels for TBA.
Remediation And Treatment
- Aerobic Biodegradation of Gasoline Oxygenates MTBE and TBA 2001.
Published in Water Science Technology, this paper presents research results relating to the degradation of MTBE using a continuously stirred tank reactor (CSTR) with biomass retention (porous pot reactor) operated under aerobic conditions. - Biodegradation of Tert-Butyl Alcohol and Related Xenobiotics by a Methylotrophic Bacterial Isolate 2001.
Published in Applied Microbiology and Biotechnology, this paper presents the results of a study on the use of a new aerobic bacterial strain, CIP I-2052, in the degradation of tert-butyl alcohol (TBA). - Microbial Degradation and Fate in the Environment of Methyl Tert-Butyl Ether and Related Fuel Oxygenates 2001.
Published in Applied Microbiology and Biotechnology, this paper provides a review of current work related to the degradation and fate of MTBE and TBA. - Overview of Groundwater Remediation Technologies for MTBE and TBA (PDF) (132 pp, 2.4MB, About PDF) 2005.
Prepared by The Interstate Technology & Regulatory Council MTBE and Other Fuel Oxygenates Team, this report provides an overview of remediation technologies for MTBE and TBA in ground water. - Rate of Natural Attenuation of Tert-Butyl Alcohol at a Chemical Plant 2003.
Published in Soil and Sediment Contamination, this paper presents evidence of natural attenuation of TBA in ground water at a chemical plant in Pasadena, Texas. - Relationship Between Subsurface Biodegradation Rates and Microbial Density 1989.
Published in Environmental Science & Technology, this paper presents the results of research on the rates and patterns of biodegradation of methanol, phenol, and tert-butyl alcohol (TBA) in surface and subsurface soils. - Stable Isotope Analysis of MTBE to Evaluate the Source of TBA in Ground Water 2005.
Published in Ground Water Monitoring and Remediation, this paper presents the results of research on biodegradation of MTBE.
Transport And Fate
- Effect of BTEX on Degradation of MTBE and TBA by Mixed Bacterial Consortium 2002.
Published in the Journal of Environmental Engineering, this paper explores the effect of BTEX on MTBE and TBA degradation. - Evaluation of the Impact of Fuel Hydrocarbons and Oxygenates on Groundwater Resources 2004.
Published in Environmental Science & Technology, this paper presents the results of a study evaluating the potential for ground water resource contamination by fuel hydrocarbons and oxygenates, including TBA, TAME, DIPE, ETBE, and MTBE. Occurrence, distribution, and spatial extent in ground water beneath leaking underground storage tanks are discussed. - Maximum Potential Impacts of Tertiary Butyl Alcohol (TBA) on Groundwater from Small-Volume Releases of Ethanol-Blended Gasoline in the Vadose Zone (PDF) (8 pp, 323K, About PDF) 2005.
Prepared by the American Petroleum Institute, this report examines the application of transport modeling to predict maximum TBA impacts on ground water from small-volume releases of ethanol-blended gasoline in the vadose zone. - Microbial Degradation and Fate in the Environment of Methyl Tert-Butyl Ether and Related Fuel Oxygenates 2001.
Published in Applied Microbiology and Biotechnology, this paper provides a review of current work related to the degradation and fate of MTBE and TBA. - Monitored Natural Attenuation of Tertiary Butyl Alcohol (TBA) in Ground Water at Gasoline Spill Sites (PDF) (55 pp, 2.4MB, About PDF) 2007. EPA/600/R-07/100.
EPA produced this report which reviews the distribution of TBA in ground water at gasoline spill sites, the process of anaerobic MTBE biodegradation that produces TBA, and the possibility of natural biodegradation of TBA in ground water. - Stable Isotope Analysis of MTBE to Evaluate the Source of TBA in Ground Water 2005.
Published in Ground Water Monitoring and Remediation, this paper presents the results of research on biodegradation of MTBE.
Non-Electronic Resources
- Novak, J.T., C.D. Goldsmith, R.E. Benoit, and J.H. O'Brien. Biodegradation of Methanol and Tertiary Butyl Alcohol in Subsurface Systems. 1994. Water Science Technology. 17, Copenhagen, Pages 71-85.
- Lambie, John and L. Ochs. In-Situ Remediation of MTBE and TBA in Groundwater Using Iso-Gen Technology to Biostimulate Indigenous Microbes. 2002. Soil Sediment & Groundwater.
- Landmeyer, J.E., J.F. Pankow, and C.D. Church. Occurrence of MTBE and Tert-butyl Alcohol in a Gasoline-Contaminated Aquifer. 1997. Preprints of Symposia Papers Presented before the Division of Environmental Chemistry, American Chemical Society, San Francisco, CA, April 13-17, 1997 pages 413-415.