| Chemical Safety headlines | 193 | 01 Jan 2020–30 Dec 2020 |
| Melbourne, Victoria, AU - Facial Coverings | 51 | 09 Oct 2020–15 Oct 2020 |
| Respirator physicals? | 31 | 10 Aug 2020–15 Aug 2020 |
| ether for anesthetizing fruit flies | 29 | 04 Feb 2020–07 Feb 2020 |
| nitric acid distillation | 28 | 14 Oct 2020–19 Oct 2020 |
| Wearing cloth mask in the lab | 28 | 04 May 2020–07 May 2020 |
| Antimicrobial films | 27 | 26 May 2020–27 May 2020 |
| N-95 disinfection and reuse: The NIOSH Guidance has Been Released! | 27 | 01 Apr 2020–09 Jun 2020 |
| Sars-CoV2 infectivity | 23 | 25 Jun 2020–30 Jun 2020 |
| COVID-19 Question | 22 | 23 Mar 2020–25 Mar 2020 |
| DRAFT - Please review and send comments. | 22 | 27 Apr 2020–22 May 2020 |
| PPE Excuses for Non-Compliance | 22 | 30 Jul 2020–01 Aug 2020 |
| Goggles & Face mask=fogging | 21 | 02 Sep 2020–03 Sep 2020 |
| Covid Testing and Universities | 20 | 07 May 2020–21 May 2020 |
| "Hydrogen pop" demo and PPE | 19 | 29 Dec 2020–30 Dec 2020 |
| cloth face masks | 19 | 04 Jun 2020–05 Jun 2020 |
| Horror stories | 19 | 17 Oct 2020–23 Oct 2020 |
| One killed, two injured in Wednesday morning tank explosion at Schenectady business | 19 | 06 Aug 2020–07 Aug 2020 |
| Chemical Waste Handling | 18 | 13 Feb 2020–19 Feb 2020 |
| IOT chemical education and CV19 | 17 | 19 Mar 2020 |
| Issues with face coverings | 17 | 16 Sep 2020–18 Sep 2020 |
| A question - what can our division do to help? | 16 | 13 Mar 2020–14 Mar 2020 |
| Re: [DCHAS-L] Ask Dr. Safety: Recovery and Contingency - A Virtual Symposium Wednesday Evening April 15th | 16 | 14 Apr 2020–17 Apr 2020 |
| Teaching Labs in Fall- What Are People Doing/Resources (COVID-19) | 16 | 05 Jun 2020–15 Jun 2020 |
| Good idea or maybe not for SDSs | 15 | 08 Jan 2020–11 Jan 2020 |
