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Confirmed Reply Threads
This current-year threaded index is sorted by most recent discussion activity (i.e. the sort date is the date of the most recent post in each thread or grouping). Older yearly threaded indexes are sorted chronologically by thread or grouping origin.
Confirmed threads are reconstructed using Message-ID and In-Reply-To email headers. Posts with similar subject lines whose relationships cannot be determined reliably are grouped below as Subject-Based Groupings .
Subject-Based Groupings
These groups contain two or more messages with the same normalized subject, but no confirmed In-Reply-To relationship was available within this year.
Fwd: Lab Safety Headlines copy link
Abstract Submission Is Now Open for ACS Spring 2027 copy link
Lab Safety Headlines copy link
Lab Safety Learning Opportunities copy link
New Article copy link
(31 Jan 2026) [DCHAS-L] New Article from 000006c59248530b-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU
(07 Mar 2026) [DCHAS-L] New Article from 000006c59248530b-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU
(12 Apr 2026) [DCHAS-L] New Article from 000006c59248530b-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU
Invitation: Open Session on CHAS Programming copy link
ACS DCHAS Open Executive Committee Meeting - 2026 Spring copy link
Unthreaded Posts
These posts do not have confirmed reply links and do not share a normalized subject with another unthreaded post in this year.
(15 Sep 2026) [DCHAS-L] Job posting - Merck NJ from Keyser, Sandra
(14 Sep 2026) [DCHAS-L] SDS HyperGlossary updates and additions from Rob Toreki
(11 Sep 2026) [DCHAS-L] Safety in Numbers Outreach Event from Guron, Marta
(11 Sep 2026) [DCHAS-L] Mark Your Calendar: CHASWebTalks - A new web series bringing ACS Fall and Spring Talks to You from Monica Soma Hensley
(10 Sep 2026) [DCHAS-L] Seeking Hazardous Waste Consultant from Shannon Hoffman
(09 Sep 2026) [DCHAS-L] Advance Your Career – Join CHAS Professional Development Workshops from Kalyani Martinelango
(01 Sep 2026) [DCHAS-L] NEW EPISODE OUT NOW: ISO 45001 and How Academia Is Not Bad Industry from Jessica Martin
(31 Aug 2026) [DCHAS-L] Ex-Safety Director gets jail time from Neal Langerman
(30 Aug 2026) [DCHAS-L] Decontamination ongoing after MIT student reports creating dimethyl mercury from Rob Toreki
(27 Aug 2026) [DCHAS-L] University Disaster: Tragedy Strikes Hokkaido as Student Succumbs in Chemical Exposure Incident from Jeffrey Lewin
(23 Aug 2026) [DCHAS-L] CORRECTION: Reminder: You are invited to hear me speak at the Fall 2026 ACS CHAS Symposiums!!! from Henry, Dwayne F
(23 Aug 2026) [DCHAS-L] DCHAS Open EC Meeting - ACS Fall 2026 meeting from Keyser, Sandra
(23 Aug 2026) [DCHAS-L] DCHAS Open EC Meeting - Updated Agenda Book from Keyser, Sandra
(22 Aug 2026) [DCHAS-L] ACS DCHAS Peer-Led Workshop: “Empowering Academic Researchers – Strengthening Safety Culture &… from Henry, Dwayne F
(20 Aug 2026) [DCHAS-L] You are invited to hear me speak at the Fall 2026 ACS CHAS Symposiums!!! from Henry, Dwayne F
(18 Aug 2026) [DCHAS-L] Last call for web site feedback from Marta Guron
(14 Aug 2026) [DCHAS-L] CHAS Symposium Highlight: From Laboratory Bench to Community from Chung, Amanda Brittany
(06 Aug 2026) [DCHAS-L] CHAS 2026 Update: Accomplishments so far and What ’s Ahead from Kalyani Martinelango
(04 Aug 2026) [DCHAS-L] Laboratory signoff consulting opportunity in southern New Jersey from Rob Toreki
(04 Aug 2026) [DCHAS-L] NEW EPISODE OUT NOW: What Season 1 Taught Us About Learning and Systems from Jessica Martin
(03 Aug 2026) [DCHAS-L] Lab Vacuum Line Repair Questions. from Jeffrey R. Cogswell
(30 Jul 2026) [DCHAS-L] CHAS Programming at ACS Fall 2026 is Now Available! from Monica Soma Hensley
(28 Jul 2026) [DCHAS-L] College lab class ends with 32 people on antibiotics for deadly germ exposure from Rob Toreki
(28 Jul 2026) [DCHAS-L] ACS 2026 Fellows List is Published from Samuella Sigmann
(24 Jul 2026) [DCHAS-L] Some ilpi.com safety stuff tweaks from Rob Toreki
(17 Jul 2026) [DCHAS-L] Lab Safety Headlines (07/08/26 - 07/17/26) from Elizabeth Braun
(08 Jul 2026) [DCHAS-L] Even more Archive improvements from Rob Toreki
(07 Jul 2026) [DCHAS-L] New Free Poster - Greener Alternatives for Dichloromethane (DCM) from Henry, Dwayne F
(07 Jul 2026) [DCHAS-L] NEW EPISODE OUT NOW: Hazard Ambiguity and the Signals We Dismiss from Jessica Martin
(05 Jul 2026) [DCHAS-L] Industrial Chemical Accidents Rise Amid Safety Rollbacks from Rob Toreki
(29 Jun 2026) [DCHAS-L] Safety Tips from CRAIG MERLIC
(22 Jun 2026) [DCHAS-L] Share the Lab Safety Showdown - June Safety Month from Membership DCHAS
(22 Jun 2026) [DCHAS-L] "I Remember When...": Reflecting on the Evolution of Laboratory Safety from Kirk Hunter
(21 Jun 2026) [DCHAS-L] LAST CALL_Call for Symposia - ACS Spring 2027, New Orleans from Monica Soma Hensley
(19 Jun 2026) [DCHAS-L] HF from Neal Langerman
(18 Jun 2026) [DCHAS-L] I Remember When…”: Reflecting on the Evolution of Laboratory Safety from Kirk Hunter
(15 Jun 2026) [DCHAS-L] The DCHAS-L Archives are BACK, baby! Part 1 of 2 from Rob Toreki
(09 Jun 2026) [DCHAS-L] ACS June Safety Month Celebration week 2: Building an Integrated Safety Approach in Your Chemistry… from Henry, Dwayne F
(09 Jun 2026) [DCHAS-L] LESS THAN 2 WEEKS LEFT(more seats now open)!!! New ACS CHAS Lab Safety In The 2YC Chat: "Making… from Henry, Dwayne F
(08 Jun 2026) [DCHAS-L] FW: These new articles for ACS Chemical Health & Safety are available online. from Chung, Amanda Brittany
(02 Jun 2026) [DCHAS-L] NEW EPISODE OUT NOW: The Chemical Sensitizer Wake-Up Call With Guest Co-Host Myla Kara from Jessica Martin
(01 Jun 2026) [DCHAS-L] Reminder: Call for Symposia - ACS Spring 2027, New Orleans. Due June 22, 2026 from Monica Soma Hensley
(27 May 2026) [DCHAS-L] ACS CHAS June Safety Month Kickoff Event - “Creating the Safety Conversations Graduate Students… from Henry, Dwayne F
(25 May 2026) [DCHAS-L] JUST ANNOUNCED!!! New ACS CHAS Lab Safety In The 2YC Chat: "Making Your Lab Less Toxic" with… from Henry, Dwayne F
(20 May 2026) [DCHAS-L] Call to Register for the June 7th ACS DCHAS Peer-Led workshop on Empowering Researchers-… from Ayeni, Olajumoke
(15 May 2026) [DCHAS-L] Call for Symposia - ACS Spring 2027, New Orleans from Monica Soma Hensley
(05 May 2026) [DCHAS-L] The Deadline for Harvard’s Guidelines for Laboratory Design is Fast Approaching! from Louis DiBerardinis
(05 May 2026) [DCHAS-L] NEW EPISODE OUT NOW: Mapping Power, Pressure, and Protection with the Graduate Student Researcher from Jessica Martin
(27 Apr 2026) [DCHAS-L] 101 Ways to Improve your Chemical Hygiene Plan from James Kaufman
(27 Apr 2026) [DCHAS-L] synthetic body attachments (again) from Wiediger, Susan
(25 Apr 2026) [DCHAS-L] Fwd: Principal Scientist, Process Safety Boehringer Ingelheim from Jack Brown
(14 Apr 2026) [DCHAS-L] Research Faculty Safety Leadership Workshop - invitation to apply from Martinelango, Kalyani (KK)
(14 Apr 2026) [DCHAS-L] SDS Accessibility from Ying Liu
(13 Apr 2026) [DCHAS-L] Seeking nominations for CHAS Development Committee Chair from Kalyani Martinelango
(10 Apr 2026) [DCHAS-L] Science Safety News Summary from Elizabeth Braun
(09 Apr 2026) [DCHAS-L] Lab Safety Survey from James Kaufman
(07 Apr 2026) [DCHAS-L] Come share your vision for CHAS Programming from Monica Soma Hensley
(07 Apr 2026) [DCHAS-L] NEW EPISODE OUT NOW: Drills With Experts with a special guest from Jessica Martin
(06 Apr 2026) [DCHAS-L] Laboratory Safety Survey from Elizabeth Braun
(02 Apr 2026) [DCHAS-L] OSHA Lab Standard Webinar from James Kaufman
(01 Apr 2026) [DCHAS-L] In Person Training from 000006c59248530b-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU
(27 Mar 2026) [DCHAS-L] Here is your Opportunity to Present!!! - Are you doing anything with AI? from Frankie Wood-Black
(27 Mar 2026) [DCHAS-L] Actions of the ACS Board and Council from Frankie Wood-Black
(27 Mar 2026) [DCHAS-L] ACS CHAS Empowering Academic Researchers to Strengthen Safety Culture Workshop - March 29, 2:30 PM… from Monica Soma Hensley
(26 Mar 2026) [DCHAS-L] Submit Your Abstracts Now_ACS Fall 2026 Meeting Abstract Submission Deadline is March 30th from Monica Soma Hensley
(24 Mar 2026) [DCHAS-L] Invitation to Speak at ACS Fall 2026 Symposium on Laboratory Safety and Environmental Health from Pedro Flores Gallardo
(21 Mar 2026) [DCHAS-L] Reminder: YOU ARE INVITED!!! - ACS Spring Conference 2026 Presentation- It's just community… from Henry, Dwayne F
(18 Mar 2026) [DCHAS-L] ACS CHAS MEMBERS YOU ARE INVITED!!! - ACS Spring 2026 Presentation- It's just community college… from Henry, Dwayne F
(12 Mar 2026) [DCHAS-L] Reminder: Submit your abstracts for ACS Fall 2026 - March 30 deadline from Monica Soma Hensley
(11 Mar 2026) [DCHAS-L] Hostng the Boot Camp from James Kaufman
(05 Mar 2026) [DCHAS-L] Free CHP Review / Spring Courses from James Kaufman
(03 Mar 2026) [DCHAS-L] Newly Published Article from the ACS Committee on Chemical Safety from Randy Heald
(03 Mar 2026) [DCHAS-L] NEW EPISODE OUT NOW: CHAS EMERGING LEADERS ELEVATE CHRONIC TOXICITY AT ACS SPRING 2026 from Jessica Martin
(28 Feb 2026) [DCHAS-L] Job Posting at UVM from Kayla Johnson (she/her)
(27 Feb 2026) [DCHAS-L] Call to Register for the March 8th ACS DCHAS RAMP RISK MANAGEMENT Peer-Led workshop from Ayeni, Olajumoke
(26 Feb 2026) [DCHAS-L] Survey Request from Guron, Marta
(26 Feb 2026) [DCHAS-L] CHAS 2026 Update: Momentum So Far & What’s Ahead from Martinelango, Kalyani (KK)
(24 Feb 2026) [DCHAS-L] Michigan State University position open from Hunt, Alessandra
(21 Feb 2026) [DCHAS-L] Course offering from 000006c59248530b-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU
(21 Feb 2026) [DCHAS-L] 2026 ACS Spring CHAS-AT-A-GLANCE from Monica Soma Hensley
(11 Feb 2026) [DCHAS-L] K-State Searching for a Director of EHS from Brandon Chance
(11 Feb 2026) [DCHAS-L] Improving Your Lab Safety Program from James Kaufman
(04 Feb 2026) [DCHAS-L] Suggestions for Email to EHS and Facilities With Regard to Observed Deviations from Charlie Gates
(03 Feb 2026) [DCHAS-L] NEW EPISODE OUT NOW: The Seconds After: Is the Safety Buddy Prepared to Act? from Jessica Martin
(02 Feb 2026) [DCHAS-L] Written Hazard Communications Programs from James Kaufman
(29 Jan 2026) [DCHAS-L] Requesting your feedback - CHAS Professional Workshops! from Denlinger, Kendra
(28 Jan 2026) [DCHAS-L] Chemical Hygiene Officer (University CHO) – Cornell University from Joshua E. Turse
(27 Jan 2026) [DCHAS-L] JUST ANNOUNCED!!! New ACS CHAS 2YC Chat: Industry Safety Expectations and Engagement for 2YC… from Henry, Dwayne F
(19 Jan 2026) Re: [DCHAS-L] DCHAS-L Digest - 14 Jan 2026 to 15 Jan 2026 (#2026-5) from Joe Sabol
(18 Jan 2026) [DCHAS-L] Science Safety News Summary for January 12-18 from Connor Michael
(17 Jan 2026) [DCHAS-L] ACS FALL 2026 ABSTRACTS ARE NOW OPEN! from Monica Soma Hensley
(06 Jan 2026) [DCHAS-L] LAST CHANCE: Nominations for ACS CHAS Awards from Robin M. Izzo
(06 Jan 2026) [DCHAS-L] NEW EPISODE OUT NOW: Working Alone - Safety Beyond The 9 to 5 from Jessica Martin
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