DCHAS-L Discussion List Archive

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Subject: Re: [DCHAS-L] Condensation of liquid oxygen in open Dewar flasks of liquid nitrogen

Date: Mar 16, 2021 11:10 UTC

Author: Daniel Kuespert <0000057d3b6cd9b7-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>

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Subject: [DCHAS-L] Hexachlorodisilane

Date: Mar 16, 2021 22:19 UTC

Author: Eugene Ngai <eugene_ngai**At_Symbol_Here**COMCAST.NET>

From: CHAS membership chair <membership**At_Symbol_Here**DCHAS.ORG>

Subject: [DCHAS-L] EPA: TRI Releases of Lead and Mercury to Air Continued Sharp Decline in 2019

Date: Mar 16, 2021 17:40 UTC

Reply-To: ACS Division of Chemical Health and Safety

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Toxics Release Inventory (TRI) Program

Providing Pollution Prevention and Toxic Chemical Release Information

TRI Lead and Mercury Air Releases Continue Sharp Decline in 2019

According to the 2019 Toxics Release Inventory (TRI) National Analysis, releases of mercury and mercury compounds from industrial and federal facilities to air have decreased by 73% since 2007, driven by reductions at electric utilities that have switched from burning coal to burning natural gas. Releases of lead and lead compounds to air are down 64%, driven by reductions at electric utilities and primary metals facilities.

Air Releases of Mercury and Mercury Compounds

Find Out More in the TRI National Analysis

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