Toxicological Profile for Bromodichloromethane
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Transport of Dangerous Goods
ST/SG/AC.10/1/Rev.16 (Vol.I) Recommendations on the TRANSPORT OF DANGEROUS GOODS Model Regulations Volume I Sixteenth revised edition UNITED NATIONS New York and Geneva, 2009 NOTE The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the Secretariat of the United Nations concerning the legal status of any country, territory, city or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries. ST/SG/AC.10/1/Rev.16 (Vol.I) Copyright © United Nations, 2009 All rights reserved. No part of this publication may, for sales purposes, be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, electrostatic, magnetic tape, mechanical, photocopying or otherwise, without prior permission in writing from the United Nations. UNITED NATIONS Sales No. E.09.VIII.2 ISBN 978-92-1-139136-7 (complete set of two volumes) ISSN 1014-5753 Volumes I and II not to be sold separately FOREWORD The Recommendations on the Transport of Dangerous Goods are addressed to governments and to the international organizations concerned with safety in the transport of dangerous goods. The first version, prepared by the United Nations Economic and Social Council's Committee of Experts on the Transport of Dangerous Goods, was published in 1956 (ST/ECA/43-E/CN.2/170). In response to developments in technology and the changing needs of users, they have been regularly amended and updated at succeeding sessions of the Committee of Experts pursuant to Resolution 645 G (XXIII) of 26 April 1957 of the Economic and Social Council and subsequent resolutions. -
Disinfection Byproducts in Chlorinated Drinking Water
International Journal of Water and Wastewater Treatment SciO p Forschene n HUB for Sc i e n t i f i c R e s e a r c h ISSN 2381-5299 | Open Access RESEARCH ARTICLE Volume 4 - Issue 2 | DOI: http://dx.doi.org/10.16966/2381-5299.156 Disinfection Byproducts in Chlorinated Drinking Water Malia Vester1, Hany F Sobhi2 and Mintesinot Jiru1* 1Department of Natural Sciences, Coppin State University, Maryland, USA 2Center for Organic Synthesis, Department of Natural Sciences, Coppin State University, Maryland, USA *Corresponding author: Mintesinot Jiru, Department of Natural Sciences, Coppin State University, Maryland, USA, Tel: 410-951-4139; E-mail: [email protected] Received: 07 Jul, 2018 | Accepted: 14 Nov, 2018 | Published: 20 Nov, 2018 Citation: Vester M, Sobhi HF, Jiru M (2018) Disinfection Byproducts in Chlorinated Drinking Water. Int J Water Wastewater Treat 4(2): dx.doi. org/10.16966/2381-5299.156 Copyright: © Vester M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Abstract Trihalomethanes (THMs) are disinfection byproducts formed through the reaction of chlorine and organic matter. There are four forms of Trihalomethanes: chloroform, bromoform, dibromochloromethane and bromodichloromethane. Studies have shown that chloroform, a principal disinfection byproduct, is carcinogenic in rodents. Although the presence of these hazardous materials are constantly being monitored by Water Treatment Plant and the Environmental Protection Agency (EPA), they continue to be present at an unpredictable levels and the full effects of these byproducts are not fully understood. -
Synthesis of Bromochloromethane Using Phase Transfer Catalysis
1 SYNTHESIS OF BROMOCHLOROMETHANE USING PHASE TRANSFER CATALYSIS By LANCELOT LUCRETIUS BROOKS Baccalaureus Scientiae Honores-Chemistry, Nelson Mandela Metropolitan University A dissertation submitted in fulfillment of the requirements for the Masters Degree in Chemistry In the Faculty of Science at the NELSON MANDELA METROPOLITAN UNIVERSITY Nov. 2011 Promoter : Dr G. Dugmore Co-Promoter : Prof B. Zeelie 2 DECLARATION I, Lancelot Brooks, hereby declare that the above-mentioned treatise is my own work and that it has not previously been submitted for assessment to another University, or for another qualification. ……………………………….. ……………………….. Mr. L.L. Brooks Date 3 ACKNOWLEDGEMENTS To my promoters Dr. Gary Dugmore, and Prof. Ben Zeelie for their invaluable input, help and guidance. To NRF and NMMU for financial assistance To my parents and brothers for their love and support To Peter, Batsho, Unati, and friends in NMMU chemistry research laboratory, thank you guys. To my dearest fiancée, Natasha, a very special thank you for always being there and supporting me. Love you angel. “And we know that all things work together for good to those who love God, to those who are called according to His purpose” -Romans 8:28. 4 TABLE OF CONTENTS DECLARATION……………………………………………………………………. 2 ACKNOWLEDGEMENTS……………………………………………………………. 3 TABLE OF CONTENTS………………………………………………………………. 4 LIST OF FIGURES…………………………………………………………………….. 8 LIST OF TABLES……………………………………………………………………… 9 LIST OF EQUATIONS………………………………………………………………… 11 SUMMARY……………………………………………………………………………… 12 CHAPTER 1…………………………………………………………………………….. 14 INTRODUCTION………………………………………………………………………. 14 1.1. Technology of leather production……………………………………………….. 14 1.2. Synthesis of TCMTB……………………………………………………………… 17 1.3. Bromine……………………………………………………………………………. 20 1.3.1. Overview……………………………………………………………. 20 1.3.2. Applications of bromine compounds…………..…………………. 22 1.3.2.1. Photography……………………………………………… 22 1.3.2.2. -
Supplement to the Role of Internal Standards and Their Interaction With
Supplement to: Hiatt, M., “The Role of Internal Standards and their Interaction with Soils Impact Accuracy of Volatile Organics Determinations,” Int. J. of Environ. Anal. Chem., 2010 90:8 591-604. Please note that this is a non-copyrighted web version of supplemental information belonging to the above-cited journal article. There are formatting and page-numbering differences between this web version and the actual published version. There are also minor content differences. This version can be accessed at: http://www.epa.gov/nerlesd1/chemistry/vacuum/reference/pubs.htm This publication is also available from Informaworld: http://www.informaworld.com/smpp/content~db=all~content=a921288588 Web version, 27 April 2010 1 Supplement to: The Role of Internal Standards and their Interaction with Soils Impact Accuracy of Volatile Organics Determinations Michael H. Hiatt U.S. Environmental Protection Agency, National Exposure Research Laboratory Environmental Sciences Division. P.O. Box 93478, Las Vegas, Nevada 89193-3478 Phone: 702 798 2381. Fax: 702 798 2142. E-mail: [email protected]. Supplementary Information Data that was too detailed for “The Role of Internal Standards and their Interaction with Soils Impact Accuracy of Volatile Organics Determinations” is presented as supplemental information. This information includes each analyte by matrix and includes the accuracy evaluation, analyte results impacted by criteria, and results from varying spike equilibration times. The list of internal standards and their chemical properties are presented in Table S1 while the surrogates are listed in Table S2. Tables of results by analyte are included as Tables S3-8. These tables include the data by matrix and combined. -
Toxicological Profile for Bromodichloromethane
BROMODICHLOROMETHANE 89 CHAPTER 5. POTENTIAL FOR HUMAN EXPOSURE 5.1 OVERVIEW Bromodichloromethane has been identified in at least 238 of the 1,854 hazardous waste sites that have been proposed for inclusion on the EPA National Priorities List (NPL) (ATSDR 2017). However, the number of sites in which bromodichloromethane has been evaluated is not known. The number of sites in each state is shown in Figure 5-1. Of these sites, 233 are located within the United States, 2 are located in the Virgin Islands, and 3 are located in Puerto Rico (not shown). Figure 5-1. Number of NPL Sites with Bromodichloromethane Contamination • The most likely route of exposure for the general public to bromodichloromethane is through ingestion, inhalation, and dermal contact of chlorinated drinking water. • A median bromodichloromethane intake of 2.8–4.2 µg/day from drinking water has been estimated; inhalation and dermal exposure would add to this daily intake. BROMODICHLOROMETHANE 90 5. POTENTIAL FOR HUMAN EXPOSURE • Bromodichloromethane is formed as a byproduct of water disinfection methods using chlorination. This is the primary source of bromodichloromethane in the environment. • Its principal use is as a chemical intermediate for organic synthesis and as a chemical reagent. • Volatilization is an important fate process. Bromodichloromethane evaporates from sources and enters the environment as a gas, which is slowly broken down in air. Residual bromodichloromethane may be broken down slowly by bacteria. • In the atmosphere, bromodichloromethane is thought to undergo slow degradation through oxidative pathways, with a half-life of about 2–3 months. 5.2 PRODUCTION, IMPORT/EXPORT, USE, AND DISPOSAL 5.2.1 Production The principal anthropogenic source of bromodichloromethane is its unintentional formation as a byproduct during the chlorination of water containing organic materials and bromide. -
Evaluating Analytical Methods for Detecting Unknown Chemicals in Recycled Water
PROJECT NO. 4992 Evaluating Analytical Methods for Detecting Unknown Chemicals in Recycled Water Evaluating Analytical Methods for Detecting Unknown Chemicals in Recycled Water Prepared by: Keith A. Maruya Charles S. Wong Southern California Coastal Water Research Project Authority 2020 The Water Research Foundation (WRF) is a nonprofit (501c3) organization which provides a unified source for One Water research and a strong presence in relationships with partner organizations, government and regulatory agencies, and Congress. The foundation conducts research in all areas of drinking water, wastewater, stormwater, and water reuse. The Water Research Foundation’s research portfolio is valued at over $700 million. The Foundation plays an important role in the translation and dissemination of applied research, technology demonstration, and education, through creation of research‐based educational tools and technology exchange opportunities. WRF serves as a leader and model for collaboration across the water industry and its materials are used to inform policymakers and the public on the science, economic value, and environmental benefits of using and recovering resources found in water, as well as the feasibility of implementing new technologies. For more information, contact: The Water Research Foundation Alexandria, VA Office Denver, CO Office 1199 North Fairfax Street, Suite 900 6666 West Quincy Avenue Alexandria, VA 22314‐1445 Denver, Colorado 80235‐3098 Tel: 571.384.2100 Tel: 303.347.6100 www.waterrf.org [email protected] ©Copyright 2020 by The Water Research Foundation. All rights reserved. Permission to copy must be obtained from The Water Research Foundation. WRF ISBN: 978‐1‐60573‐503‐0 WRF Project Number: 4992 This report was prepared by the organization(s) named below as an account of work sponsored by The Water Research Foundation. -
SROC Annex V
Annex V Major Chemical Formulae and Nomenclature This annex presents the formulae and nomenclature for halogen-containing species and other species that are referred to in this report (Annex V.1). The nomenclature for refrigerants and refrigerant blends is given in Annex V.2. V.1 Substances by Groupings V.1.1 Halogen-Containing Species V.1.1.1 Inorganic Halogen-Containing Species Atomic chlorine Cl Atomic bromine Br Molecular chlorine Cl2 Molecular bromine Br2 Chlorine monoxide ClO Bromine monoxide BrO Chlorine radicals ClOx Bromine radicals BrOx Chloroperoxy radical ClOO Bromine nitrate BrONO2, BrNO3 Dichlorine peroxide (ClO dimer) (ClO)2, Cl2O2 Potassium bromide KBr Hydrogen chloride (Hydrochloric acid) HCl Inorganic chlorine Cly Antimony pentachloride SbCl5 Atomic fluorine F Molecular fluorine F2 Atomic iodine I Hydrogen fluoride (Hydrofluoric acid) HF Molecular iodine I2 Sulphur hexafluoride SF6 Nitrogen trifluoride NF3 IPCC Boek (dik).indb 467 15-08-2005 10:57:13 468 IPCC/TEAP Special Report: Safeguarding the Ozone Layer and the Global Climate System V.1.1.2 Halocarbons For each halocarbon the following information is given in columns: • Chemical compound [Number of isomers]1 (or common name) • Chemical formula • CAS number2 • Chemical name (or alternative name) V.1.1.2.1 Chlorofluorocarbons (CFCs) CFC-11 CCl3F 75-69-4 Trichlorofluoromethane CFC-12 CCl2F2 75-71-8 Dichlorodifluoromethane CFC-13 CClF3 75-72-9 Chlorotrifluoromethane CFC-113 [2] C2Cl3F3 Trichlorotrifluoroethane CCl FCClF 76-13-1 CFC-113 2 2 1,1,2-Trichloro-1,2,2-trifluoroethane -
ACE Tips for Filing EPA ODS
Automated Commercial Environment ACE Tips for Filing EPA ODS June, 2018 Ozone-depleting substances (ODS) deplete the stratospheric ozone layer when the chlorine and bromine atoms that they contain come into contact with ozone molecules. One chlorine atom can destroy over 100,000 ozone molecules before it is removed from the stratosphere. ODS that release chlorine include chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), carbon tetrachloride, and methyl chloroform. ODS that release bromine include halons and methyl bromide. HTS code Ozone-Depleting Substance 2903.14.0000 Carbon tetrachloride What commodities 2903.19.6010 Methylchloroform (1,1,1-Trichloroethane) are ODS used in? 2903.39.1520 Methyl bromide 2903.71.0000 Chlorodifluoromethane (HCFC-22) ODS have been used 2903.72.0020 Dichlorotrifluoroethane (HCFC-123) for refrigeration, air 2903.73.0000 Dichlorofluoroethanes (HCFC-141, 141b) conditioning, insulation, 2903.74.0000 Chlorodifluoroethanes (HCFC-142, 142b) solvents, aerosol 2903.75.0000 Dichloropentafluoropropanes propellants, and in other (HCFC-225, 225ca, 225cb) sectors. Currently, the United 2903.76.0010 Bromotrifluoromethane (Halon 1301) States is in the 2903.76.0050 Bromochlorodifluoromethane (Halon 1211), process of phasing bromotrifluoromethane (Halon 1301), and out HCFCs, but in the dibromotetrafluoroethanes (Halon 2402), Other interim limited imports are 2903.77.0010 Trichlorofluoromethane (CFC-11) allowed. CFCs, 2903.77.0020 Trichlorotrifluoroethanes (CFC-113, CFC-113a) methyl bromide, halon, 2903.77.0030 -
Trihalomethanes in Drinking-Water
WHO/SDE/WSH/05.08/64 English only Trihalomethanes in Drinking-water Background document for development of WHO Guidelines for Drinking-water Quality WHO information products on water, sanitation, hygiene and health can be freely downloaded at: http://www.who.int/water_sanitation_health/ © World Health Organization 2005 This document may be freely reviewed, abstracted, reproduced and translated in part or in whole but not for sale or for use in conjunction with commercial purposes. Inquiries should be addressed to: [email protected]. The designations employed and the presentation of the material in this document do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. The mention of specific companies or of certain manufacturers’ products does not imply that they are endorsed or recommended by the World Health Organization in preference to others of a similar nature that are not mentioned. Errors and omissions excepted, the names of proprietary products are distinguished by initial capital letters. The World Health Organization does not warrant that the information contained in this publication is complete and correct and shall not be liable for any damages incurred as a result of its use. Preface One of the primary goals of WHO and its member states is that “all people, whatever their stage of development and their social and economic conditions, have the right to have access to an adequate supply of safe drinking water.” A major WHO function to achieve such goals is the responsibility “to propose .. -
Maine Remedial Action Guidelines (Rags) for Contaminated Sites
Maine Department of Environmental Protection Remedial Action Guidelines for Contaminated Sites (RAGs) Effective Date: May 1, 2021 Approved by: ___________________________ Date: April 27, 2021 David Burns, Director Bureau of Remediation & Waste Management Executive Summary MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION 17 State House Station | Augusta, Maine 04333-0017 www.maine.gov/dep Maine Department of Environmental Protection Remedial Action Guidelines for Contaminated Sites Contents 1 Disclaimer ...................................................................................................................... 1 2 Introduction and Purpose ............................................................................................... 1 2.1 Purpose ......................................................................................................................................... 1 2.2 Consistency with Superfund Risk Assessment .............................................................................. 1 2.3 When to Use RAGs and When to Develop a Site-Specific Risk Assessment ................................. 1 3 Applicability ................................................................................................................... 2 3.1 Applicable Programs & DEP Approval Process ............................................................................. 2 3.1.1 Uncontrolled Hazardous Substance Sites ............................................................................. 2 3.1.2 Voluntary Response Action Program -
Hal-List.Pdf
Florida Department of Health Environmental Health Bureau of Environmental Health, Water Programs Maximum Contaminant Levels and Health Advisory Levels Last Update 8/4/2016 HAL = Health Advisory Level MCL = Maximum Contaminant Level SMCL = Secondary Maximum Contaminant Level ug/L = micrograms per Liter or parts per billion mg/L = milligrams per Liter or parts per million MFL = million fibers per liter Chemical Name Units MCL/HAL 1,1,1,2‐TETRACHLOROETHANE 1 ug/L HAL ALPHA‐BHC 0.04 ug/L HAL CHLORPROPHAM 1400 ug/L HAL GLYPHOSATE 700 ug/L MCL PENTACHLOROPHENOL 1 ug/L MCL 1,1,1‐TRICHLOROETHANE 200 ug/L MCL 1,1,2,2‐TETRACHLOROETHANE 1 ug/L HAL 1,1,2‐TRICHLOROETHANE 5 ug/L MCL 1,1‐DICHLOROETHANE 70 ug/L HAL 1,1‐DICHLOROETHYLENE 7 ug/L MCL 1,2,3‐TRICHLOROBENZENE 70 ug/L HAL 1,2,3‐TRICHLOROPROPANE 40 ug/L HAL 1,2,4‐TRICHLOROBENZENE 70 ug/L MCL 1,2,4‐TRIMETHYLBENZENE 35 ug/L HAL 1,2‐DICHLOROETHANE 3 ug/L MCL 1,2‐DICHLOROPROPANE 5 ug/L MCL 1,3,5‐TRIMETHYLBENZENE 35 ug/L HAL 1,4‐DIOXANE 0.35 ug/L HAL 1‐CHLOROBUTANE 2800 ug/L HAL 2,3,7,8 TCDD (DIOXIN) 0.00003 ug/L MCL 2,4,5‐T 70 ug/L HAL 2,4,5‐TP (SILVEX) 50 ug/L MCL 2,4‐D 70 ug/L MCL 2,4‐DB 56 ug/L HAL 2,4‐DINITROTOLUENE 0.05 ug/L HAL 2,6‐DINITROTOLUENE 0.05 ug/L HAL 2‐BUTANONE 4200 ug/L HAL 2‐HEXANONE 280 ug/L HAL 4,4'‐DDD 0.1 ug/L HAL 4,4'‐DDE 0.1 ug/L HAL 4,4'‐DDT 0.1 ug/L HAL 4‐NITROPHENOL 56 ug/L HAL 8/4/2016 Chemical Name Units MCL/HAL ACENAPHTHYLENE 210 ug/L HAL ACIFLUORFEN 1 ug/L HAL ALACHLOR 2 ug/L MCL ALDICARB (SUM OF ALL ALDICARBS) 7 ug/L HAL ALDICARB SULFONE (SUM OF ALDICARBS) 7 ug/L HAL -
The Alkylation of the Boron Hydrides, Reaction of Pentaborane-9 with 1
This dissertation has been 62-829 microfilmed exactly as received ! ALTWICKER, Elmar Robert, 1930- j THE ALKYLATION OF THE BORON HYDRIDES; REACTION OF PENTABOlLANE-9 WITH 1-BUTENE AND SOME POLYHALOGENATED HYDROCARBONS. The Ohio State University, Ph.D., 1957 Chemistry, organic University Microfilms, Inc., Ann Arbor, Michigan THE ALKYLATION OF THE BORON HYDRIDES Reaction of Pentaborane-9 with 1-Butene and Some Polyhalogenated Hydrocarbons DISSERTATION Presented in Partial Fulfillment of the Requirements for the Degree Doctor of Philosophy in the Graduate School of The Ohio State University EIZvIAR RP'^TWIGKER, B.S. The Ohio State University 1957 Approved by; m Departme Ï Chemistry Acknowledgement The author would like to thank Professor A.B, Garrett for the supervision of this research. He would also lik e to thank Dr. John Norman of the Olin-Mathieson Chemical Corporation for the mass spectrographic analyses. 11 Table of Contents Page I. Purpose .................................................... ...... 1 II. Historical ..................... ........... 2 III, Experimental ....................................... 5 A. Apparatus ............................ ......... $ 1. Main Vacuum System .................... ... ^ 2. Reaction-, Transfer-, and Storage A pparatus............................................................ ^ 3. Analytical Apparatus .......... Vy 5. Materials l 6 G. Reaction of Pentaborane-9 with 1-Butene . 18 1. Reaction and Separation of the Reaction Mixture ............ 19 2. Identification of Butylpentaborane . 2h 3.