NEWS ARCHIVES

• December 2023: OARS WEEL documentation for Methyltrimethoxysilane is available for public comment. The comment period has been extended from September 23 through January 19, 2024. To obtain a copy and submit comments please contact Dr. Patricia McGinnis at mcginnis@tera.org.

• October 2023: The semi-annual OARS WEEL committee meeting will be held on October 26-27 in South San Francisco, CA. The session is in-person and also via Zoom.

• September 2023: OARS WEEL documentation for bis-(2-Chloroisopropyl) Ether is available for public comment from September 23 through October 22, 2023. To obtain a copy and submit comments please contact Dr. Patricia McGinnis at mcginnis@tera.org.

• September 2023: OARS WEEL documentation for Methyltrimethoxysilane is available for public comment from September 23 through October 22, 2023. To obtain a copy and submit comments please contact Dr. Patricia McGinnis at mcginnis@tera.org.

• April 2023: The “Workplace environmental exposure level guide (WEEL) for Triethylenetetramine (TETA)” was published in Toxicology an Industrial Hygiene 39(4): 183-187.

• March 2023: The semi-annual OARS WEEL committee meeting was held March 23-24 in Nashville, TN.

• March 2023: The poster, “The Impact of Workplace Environmental Exposure Levels (WEELs)” was presented by TERA at the March 2023 Society of Toxicology Meeting. CLICK HERE to view full size image.

• March 2023: The WEEL Committee welcomes four new members:
Lisa Michelle Cooper, MS; Theresa Repaso-Subang, RPBio, DABT, ERT, QPRA;
Bradley Thomson, MS; Elizabeth Vancza, PhD, DABT

• March 2023: The semi-annual OARS WEEL committee meeting will be held on March 23, 1-4pm CDS and March 24, 10am-3pm CDS in Nashville, TN. The session is in-person and also via Zoom.

• February 2023: OARS WEEL documentation for Triethyleneamine (TETA) has been finalized, posted, and submitted to Toxicology and Industrial Health.

• October 2022: The “Workplace Environmental Exposure Level (WEEL) for Dimethyl Ether” was published in Toxicology and Industrial Health 38(11): 713-716.

• October 2022: The OARS WEEL committee meeting was held on October 27-28 in Tampa, FL.

• August 2022: The “Workplace Environmental Exposure Level (WEEL) for (E)-1,2-Difluoroethylene (HFO-1132E)” was published in Toxicology and Industrial Health 38(8): 435-443.

• July 2022: OARS WEEL documentation for Triethylenetetramine (TETA) is available for public comment on July 13, 2022 through August 26, 2022. To obtain a copy and submit comments, please contact Dr. Patricia McGinnis at mcginnis@tera.org.

• June 2022: OARS WEEL documentation for Dimethyl Ether is available for public comment on June 30, 2022 through August 13, 2022. To obtain a copy and submit comments, please contact Dr. Patricia McGinnis at mcginnis@tera.org.

• June 2022: The “Workplace environmental exposure level guide (WEEL) for n-Methyl-2- pyrrolidone (NMP)” was published in Toxicology and Industrial Health 38(6): 309-329.

• April 2022: OARS WEEL documentation for (E)-1,2-Difluoroethylene (HFO-1132E) has been finalized, posted, and submitted to Toxicology and Industrial Health.

• April 2022: The poster, The Impact of Workplace Environmental Exposure LevelsTM (WEEL), presented at the March 2022 Society of Toxicology meeting, Click Here to view the full size version.

• March 2022: The OARS WEEL Committee welcomes two new members:
Robert Mitkus, Ph.D., DABT, ERT
Chandrika Mougdal, MS

• OARS WEEL committee meeting was held on March 31st at 1-4pm PDT and April 1st 8am-12:30pm PDT in San Diego, CA. The session was also online via a ZOOM.

• OARS WEEL documentation for E 1,2-DiFluroethylene is available for public comment on December 22, 2021 through February 5, 2022. To obtain a copy and submit comments please contact Dr. Patricia McGinnis at mcginnis@tera.org.

• OARS WEEL Committee ZOOM meeting was held on October 28, 29 2021

• OARS WEEL for Methoxytridecafluoroheptene isomers (MPHE) has been published in Toxicology and Industrial Health, August 2021

• OARS WEEL for 1,1,1,2,3,4,4,5,5,5-Decafluoropentane (HFC-4310mee) has been published in Toxicology and Industrial Health, August 2021

• OARS WEEL documentation for Decamethylcyclopentasiloxane (D5). The OARS WEEL for D5 has been posted.

• OARS WEEL documentation for Butyraldehyde and 2-Chloropropane. The OARS WEEL for Butyraldehyde and 2-Chloropropane has been posted.

• OARS WEEL documentation for Octamethylcyclotetrasiloxane (D4). The OARS WEEL for D4 has been posted.

• OARS WEEL documentation for 3-Nitro-1,2,4-triazol-5-One (NTO) . The OARS WEEL for NTO has been posted.

• OARS WEEL documentation for cis-1,1,1,4,4,4-Hexafluoro-2-butene (HFO-1336mzz-Z). The OARS WEEL for HFO-1336mzz-Z has been posted.

• OARS WEEL documentation for 2,4-Dinitroanisole (DNAN). The OARS WEEL for DNAN has been posted.

• OARS WEEL documentation for Menthol. The OARS WEEL for Menthol has been posted.

• OARS WEEL documentation for HCFO-1233zd(E). The OARS WEEL for trans-1-Chloro-3,3,3-trifluoropropylene (HCFO-1233zd(E)) has been posted.

• WEEL™ Values now on-line! The Occupational Alliance for Risk Science - Workplace Environmental Exposure Levels (WEEL)™ are now available on-line from the OARS website, click here. An official press release was distributed on July 24, 2013.

• New Occupational Risk Assessment Course now available! TERA has developed an occupational risk assessment course on the development of occupational exposure limits (OELs). The course is a 4-day hand-on course offered thru OARS. Click here for more information.