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Environ. Sci. Proc., 2022, Stand Alone Papers 2022

Cover Story (view full-size image): This volume collects the conference report or stand-alone proceeding papers presented at academic conferences, workshops, and similar events.

Number of Papers: 2

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8 pages, 759 KiB

Open AccessProceeding Paper

Detection of Endocrine Disruptor Bisphenol A and Bisphenol S in Bangladeshi Thermal Paper Receipts

by Santona Khatun, Hridita Ferdous, Shahriar Hossain, Siddika Sultana, Inja Choi and Young-Sun Lee

Environ. Sci. Proc. 2022, 20(1), 1; https://doi.org/10.3390/environsciproc2022020001 - 20 Sep 2022

Cited by 1 | Viewed by 1886

Abstract

Bisphenol analogues such as bisphenol A (BPA), a high production volume chemical identified as an endocrine disruptor and toxic to reproduction, are mainly used in thermal receipt papers as a color developer. Due to its effects on health and legal restrictions, BPA is increasingly replaced by other bisphenols such as Bisphenol S (BPS). In this study, BPA and 4 alternatives including BPS, Bisphenol F (BPF), Bisphenol B (BPB), and Bisphenol AF (BPAF) were analyzed in thermal paper cash receipts using a sensitive LC-MS/MS method. The cash receipts contained almost only BPA and BPS, whereas BPA was found in 67.5% of the samples at a concentration ranging from 0.83% to 1.71%. BPS was detected at lower concentrations than BPA, found in 25% of samples at a concentration ranging from 0.61% to 0.96%. Both of the substances exceeded the EU limit in the thermal receipt paper of 0.02% per weight. No other analogues were detected from any of the samples analyzed here. As the levels identified are higher than the legal limits of the EU regulations, we should develop regulatory rules and restrictions on the use of bisphenols in cash receipts in Bangladesh. Full article

(This article belongs to the Proceedings of Stand Alone Papers 2022)

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14 pages, 274 KiB

Open AccessConference Report

Climate Conversations: A One Day Virtual Symposium on the Impact That Climate Change Has on the African Diaspora

by Camellia Moses Okpodu, Bernadette J. Holmes, Myron N. V. Williams, Pamela Waldron-Moore, Pearline Tyson and Charles K. Twesigye

Environ. Sci. Proc. 2022, 20(1), 2; https://doi.org/10.3390/environsciproc2022020002 - 28 Oct 2022

Viewed by 1345

Abstract

The first virtual Climate Conversations workshop was held on 23 April 2021. The conference was supposed to be an in-person conference on the campus of Xavier University of Louisiana. However, the pandemic posed a challenge. The organizers pivoted and offered the event as a virtual workshop that allowed for international participation from seven different countries. The online opportunity was an all-day thought-provoking workshop where challenges and opportunities presented by climate change and environmental justice scholars were explored. Full article

(This article belongs to the Proceedings of Stand Alone Papers 2022)

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