List for Comments C1-C4 Halogenated Hydrocarbons
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Problem Formulation of the Risk Evaluation for Perchloroethylene (Ethene, 1,1,2,2-Tetrachloro)
EPA Document# EPA-740-R1-7017 May 2018 DRAFTUnited States Office of Chemical Safety and Environmental Protection Agency Pollution Prevention Problem Formulation of the Risk Evaluation for Perchloroethylene (Ethene, 1,1,2,2-Tetrachloro) CASRN: 127-18-4 May 2018 TABLE OF CONTENTS ABBREVIATIONS ............................................................................................................................ 8 EXECUTIVE SUMMARY .............................................................................................................. 11 1 INTRODUCTION .................................................................................................................... 14 1.1 Regulatory History ..................................................................................................................... 16 1.2 Assessment History .................................................................................................................... 16 1.3 Data and Information Collection ................................................................................................ 18 1.4 Data Screening During Problem Formulation ............................................................................ 19 2 PROBLEM FORMULATION ................................................................................................. 20 2.1 Physical and Chemical Properties .............................................................................................. 20 2.2 Conditions of Use ...................................................................................................................... -
Fluorinated Polymers As Smart Materials for Advanced Biomedical Applications
polymers Review Fluorinated Polymers as Smart Materials for Advanced Biomedical Applications Vanessa F. Cardoso 1,2,* ID , Daniela M. Correia 3,4, Clarisse Ribeiro 1,5 ID , Margarida M. Fernandes 1,5 and Senentxu Lanceros-Méndez 4,6 1 Centro/Departamento de Física, Universidade do Minho, 4710-057 Braga, Portugal; cribeiro@fisica.uminho.pt (C.R.); margaridafernandes@fisica.uminho.pt (M.M.F.) 2 CMEMS-UMinho, Universidade do Minho, DEI, 4800-058 Guimaraes, Portugal 3 Departamento de Química e CQ-VR, Universidade de Trás-os-Montes e Alto Douro, 5001-801 Vila Real, Portugal; [email protected] 4 BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain; [email protected] 5 CEB—Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal 6 IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain * Correspondence: [email protected]; Tel.: +351-253-60-40-73 Received: 11 January 2018; Accepted: 6 February 2018; Published: 8 February 2018 Abstract: Fluorinated polymers constitute a unique class of materials that exhibit a combination of suitable properties for a wide range of applications, which mainly arise from their outstanding chemical resistance, thermal stability, low friction coefficients and electrical properties. Furthermore, those presenting stimuli-responsive properties have found widespread industrial and commercial applications, based on their ability to change in a controlled fashion one or more of their physicochemical properties, in response to single or multiple external stimuli such as light, temperature, electrical and magnetic fields, pH and/or biological signals. In particular, some fluorinated polymers have been intensively investigated and applied due to their piezoelectric, pyroelectric and ferroelectric properties in biomedical applications including controlled drug delivery systems, tissue engineering, microfluidic and artificial muscle actuators, among others. -
Hydrogen and Carbon Isotope Fractionation During Degradation Of
ORIGINAL RESEARCH Hydrogen and carbon isotope fractionation during degradation of chloromethane by methylotrophic bacteria Thierry Nadalig1, Markus Greule2, Francßoise Bringel1,Stephane Vuilleumier1 & Frank Keppler2 1Equipe Adaptations et Interactions Microbiennes dans l’Environnement, UMR 7156 Universite de Strasbourg - CNRS, 28 rue Goethe, Strasbourg, 67083, France 2Max Planck Institute for Chemistry, Hahn-Meitner-Weg 1, 55128 Mainz, Germany Keywords Abstract Carbon isotope fractionation, chloromethane biodegradation, hydrogen isotope Chloromethane (CH3Cl) is a widely studied volatile halocarbon involved in the fractionation, methylotrophic bacteria. destruction of ozone in the stratosphere. Nevertheless, its global budget still remains debated. Stable isotope analysis is a powerful tool to constrain fluxes Correspondence of chloromethane between various environmental compartments which involve Thierry Nadalig, Universite de Strasbourg, a multiplicity of sources and sinks, and both biotic and abiotic processes. In UMR 7156 UdS-CNRS, 28 rue Goethe, this study, we measured hydrogen and carbon isotope fractionation of the 67083 Strasbourg Cedex, France. Tel: +33 3 68851973; Fax: +33 3 68852028; remaining untransformed chloromethane following its degradation by methylo- Methylobacterium extorquens Hyphomicrobium E-mail: [email protected] trophic bacterial strains CM4 and sp. MC1, which belong to different genera but both use the cmu pathway, the Funding Information only pathway for bacterial degradation of chloromethane characterized so far. Financial support for the acquisition of Hydrogen isotope fractionation for degradation of chloromethane was deter- GC-FID equipment by REALISE (http://realise. mined for the first time, and yielded enrichment factors (e)ofÀ29& and unistra.fr), the Alsace network for research À27& for strains CM4 and MC1, respectively. In agreement with previous and engineering in environmental sciences, is studies, enrichment in 13C of untransformed CH Cl was also observed, and gratefully acknowledged. -
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. -
Cylinder Valve Selection Quick Reference for Valve Abbreviations
SHERWOOD VALVE COMPRESSED GAS PRODUCTS Appendix Cylinder Valve Selection Quick Reference for Valve Abbreviations Use the Sherwood Cylinder Valve Series Abbreviation Chart on this page with the Sherwood Cylinder Valve Selection Charts found on pages 73–80. The Sherwood Cylinder Valve Selection Chart are for reference only and list: • The most commonly used gases • The Compressed Gas Association primary outlet to be used with each gas • The Sherwood valves designated for use with this gas • The Pressure Relief Device styles that are authorized by the DOT for use with these gases PLEASE NOTE: The Sherwood Cylinder Valve Selection Charts are partial lists extracted from the CGA V-1 and S-1.1 pamphlets. They can change without notice as the CGA V-1 and S-1.1 pamphlets are amended. Sherwood will issue periodic changes to the catalog. If there is any discrepancy or question between these lists and the CGA V-1 and S-1.1 pamphlets, the CGA V-1 and S-1.1 pamphlets take precedence. Sherwood Cylinder Valve Series Abbreviation Chart Abbreviation Sherwood Valve Series AVB Small Cylinder Acetylene Wrench-Operated Valves AVBHW Small Cylinder Acetylene Handwheel-Operated Valves AVMC Small Cylinder Acetylene Wrench-Operated Valves AVMCHW Small Cylinder Acetylene Handwheel-Operated Valves AVWB Small Cylinder Acetylene Wrench-Operated Valves — WB Style BV Hi/Lo Valves with Built-in Regulator DF* Alternative Energy Valves GRPV Residual Pressure Valves GV Large Cylinder Acetylene Valves GVT** Vertical Outlet Acetylene Valves KVAB Post Medical Valves KVMB Post Medical Valves NGV Industrial and Chrome-Plated Valves YVB† Vertical Outlet Oxygen Valves 1 * DF Valves can be used with all gases; however, the outlet will always be ⁄4"–18 NPT female. -
(12) Patent Application Publication (10) Pub. No.: US 2015/0083979 A1 Costello Et Al
US 2015 0083979A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2015/0083979 A1 Costello et al. (43) Pub. Date: Mar. 26, 2015 (54) FLUORINATED NITRILES AS DELECTRIC Related U.S. Application Data GASES (60) Provisional application No. 61/620,192, filed on Apr. 4, 2012. (71) Applicant: 3M INNOVATIVE PROPERTIES COMPANY, ST. Paul, MN (US) Publication Classification (72) Inventors: Michael G. Costello, Afton, MN (US); (51) Int. C. Richard M. Flynn, Mahtomedi, MN HOIB 3/56 (2006.01) (US); Michael J. Bulinski, Woodbury, HOIB 3/16 (2006.01) MN (US) HOIB 3/24 (2006.01) (52) U.S. C. (21) Appl. No.: 14/388,301 CPC. H01B3/56 (2013.01); H01B3/24 (2013.01); H0IB 3/16 (2013.01) (22) PCT Fled: Mar. 15, 2013 USPC ........................................... 252/571; 558/461 (57) ABSTRACT (86) PCT NO.: PCT/US2O13/031854 An electrical device containing a dielectric fluid, the dielec S371 (c)(1), tric fluid comprising heptafluoroisobutyronitrile or 2,3,3,3- (2) Date: Sep. 26, 2014 tetrafluoro-2-(trifluoromethoxy) propanenitrile. 3 Patent Application Publication Mar. 26, 2015 US 2015/0083979 A1 FIG. I US 2015/008.3979 A1 Mar. 26, 2015 FLUORINATED NITRILES AS DELECTRIC or high-pressure nitrogen. Some other replacement mixtures GASES Suffer from release of free carbon during arcing, increased toxicity during or after arcing, and increased difficulty in gas CROSS REFERENCE TO RELATED handling during storage, recovery and recycling. Also iden APPLICATIONS tified are perfluorocarbon (PFC) gases that might also be 0001. This application claims the benefit of U.S. Provi mixed with nitrogen or helium, like SF. -
Ute Tates Att 1191 Mi... % 35:5
Ute tates att 1191 [11] . 4,204,084 Mastroia et a1. [451 May 20,1980 [54] APPARATUS WITH DIELECI‘RIC GAS 4,110,580 8/1978 Farish ............................ .. 100/148 G MIXTURES IN SUBSTAN'I'IALLY UNIFORM FIELD OTHER PUBLICATIONS Mulcachy, M. J., et al., A Review of Insulation Break [75] Inventors: Martin J. Mastroianni, East Aurora; Sabatino R. Orfeo, Orchard Park, down and Switching in Gas Insulation, INSULA both of N.Y. TION/CIRCUITS, Aug. 1970, pp. 55 to 61. Bates, R. D., J of Chem. Physics, V. 57, #10, pp. [73] Assignee: Allied Chemical (Desperation, 4174-4190. Morristown, NJ. Khodeeva, S. M., Russian J of Physical Chem, vol. 40, [21] Appl. No.: 919,338 #8, pp. 1061-1063 (Aug. 1966). [22] Filed; Jun, 26, 1978 Primary Examiner-Richard R. Kucia [51] Int. Cl.2 ............................................. .. H01B 3/16 AttFriggger'fsongen .A t, or F‘"m —-A1 an M . Doem b erg ;J ay P. [52] us. (:1. .......................... .. 174/25 G; 174/17 GP; 174/26 G; 200/ 148 G; 252/635; 252/66 [57] ABSTRACT [58] Flew of g‘lgsgfégss Dielectric gas mixtures are described with improved ’ ’ ’ . ' ’ dielectric strength in uniform ?elds compared to pure [56] References Cited sulfur hexa?uoride. Sulfur hexa?uoride is mixed with Us PATENT DOCUMENTS about 1 to about 10 mole % of a noble gas such as he _I z’ _ iium, argon, krypton or neon and used in a device 2,75 7,261 7/3940 Lmgal ........................... .. 252/635 X wherein the dielectric gas is Subjected to a substantially 2,867,679 1/1959 Cobme .................. -
Gas Conversion Factor for 300 Series
300GasTable Rec # Gas Symbol GCF Density (g/L) Density (g/L) 25° C / 1 atm 0° C / 1 atm 1 Acetic Acid C2H4F2 0.4155 2.7 2.947 2 Acetic Anhydride C4H6O3 0.258 4.173 4.555 3 Acetone C3H6O 0.3556 2.374 2.591 4 Acetonitryl C2H3N 0.5178 1.678 1.832 5 Acetylene C2H2 0.6255 1.064 1.162 6 Air Air 1.0015 1.185 1.293 7 Allene C3H4 0.4514 1.638 1.787 8 Ammonia NH3 0.7807 0.696 0.76 9 Argon Ar 1.4047 1.633 1.782 10 Arsine AsH3 0.7592 3.186 3.478 11 Benzene C6H6 0.3057 3.193 3.485 12 Boron Trichloride BCl3 0.4421 4.789 5.228 13 Boron Triflouride BF3 0.5431 2.772 3.025 14 Bromine Br2 0.8007 6.532 7.13 15 Bromochlorodifluoromethane CBrClF2 0.3684 6.759 7.378 16 Bromodifluoromethane CHBrF2 0.4644 5.351 5.841 17 Bromotrifluormethane CBrF3 0.3943 6.087 6.644 18 Butane C4H10 0.2622 2.376 2.593 19 Butanol C4H10O 0.2406 3.03 3.307 20 Butene C4H8 0.3056 2.293 2.503 21 Carbon Dioxide CO2 0.7526 1.799 1.964 22 Carbon Disulfide CS2 0.616 3.112 3.397 23 Carbon Monoxide CO 1.0012 1.145 1.25 24 Carbon Tetrachloride CCl4 0.3333 6.287 6.863 25 Carbonyl Sulfide COS 0.668 2.456 2.68 26 Chlorine Cl2 0.8451 2.898 3.163 27 Chlorine Trifluoride ClF3 0.4496 3.779 4.125 28 Chlorobenzene C6H5Cl 0.2614 4.601 5.022 29 Chlorodifluoroethane C2H3ClF2 0.3216 4.108 4.484 30 Chloroform CHCl3 0.4192 4.879 5.326 31 Chloropentafluoroethane C2ClF5 0.2437 6.314 6.892 32 Chloropropane C3H7Cl 0.308 3.21 3.504 33 Cisbutene C4H8 0.3004 2.293 2.503 34 Cyanogen C2N2 0.4924 2.127 2.322 35 Cyanogen Chloride ClCN 0.6486 2.513 2.743 36 Cyclobutane C4H8 0.3562 2.293 2.503 37 Cyclopropane C3H6 0.4562 -
And Perfluoroalkyl Substances (PFAS): Sources, Pathways and Environmental Data
Poly- and perfluoroalkyl substances (PFAS): sources, pathways and environmental data Chief Scientist’s Group report August 2021 We are the Environment Agency. We protect and improve the environment. We help people and wildlife adapt to climate change and reduce its impacts, including flooding, drought, sea level rise and coastal erosion. We improve the quality of our water, land and air by tackling pollution. We work with businesses to help them comply with environmental regulations. A healthy and diverse environment enhances people's lives and contributes to economic growth. We can’t do this alone. We work as part of the Defra group (Department for Environment, Food & Rural Affairs), with the rest of government, local councils, businesses, civil society groups and local communities to create a better place for people and wildlife. Published by: Author: Emma Pemberton Environment Agency Horizon House, Deanery Road, Environment Agency’s Project Manager: Bristol BS1 5AH Mark Sinton www.gov.uk/environment-agency Citation: Environment Agency (2021) Poly- and © Environment Agency 2021 perfluoroalkyl substances (PFAS): sources, pathways and environmental All rights reserved. This document may data. Environment Agency, Bri be reproduced with prior permission of the Environment Agency. Further copies of this report are available from our publications catalogue: www.gov.uk/government/publications or our National Customer Contact Centre: 03708 506 506 Email: research@environment- agency.gov.uk 2 of 110 Research at the Environment Agency Scientific research and analysis underpins everything the Environment Agency does. It helps us to understand and manage the environment effectively. Our own experts work with leading scientific organisations, universities and other parts of the Defra group to bring the best knowledge to bear on the environmental problems that we face now and in the future. -
(12) United States Patent (10) Patent No.: US 8,911,640 B2 Nappa Et Al
USOO891. 1640B2 (12) United States Patent (10) Patent No.: US 8,911,640 B2 Nappa et al. (45) Date of Patent: Dec. 16, 2014 (54) COMPOSITIONS COMPRISING 5,736,063 A 4/1998 Richard et al. FLUOROOLEFNS AND USES THEREOF 5,744,052 A 4/1998 Bivens 5,788,886 A 8, 1998 Minor et al. 5,897.299 A * 4/1999 Fukunaga ..................... 417.316 (71) Applicant: E I du Pont de Nemours and 5,969,198 A 10/1999 Thenappan et al. Company, Wilmington, DE (US) 6,053,008 A 4/2000 Arman et al. 6,065.305 A 5/2000 Arman et al. (72) Inventors: Mario Joseph Nappa, Newark, DE 6,076,372 A 6/2000 Acharya et al. 6,111,150 A 8/2000 Sakyu et al. (US); Barbara Haviland Minor, Elkton, 6,176,102 B1 1/2001 Novak et al. MD (US); Allen Capron Sievert, 6,258,292 B1 7/2001 Turner Elkton, MD (US) 6,300,378 B1 10/2001 Tapscott 6.426,019 B1 7/2002 Acharya et al. (73) Assignee: E I du Pont de Nemours and 6,610,250 B1 8, 2003 Tuma Company, Wilmington, DE (US) 6,858,571 B2 2/2005 Pham et al. 6,969,701 B2 11/2005 Singh et al. 7,708,903 B2 5, 2010 Sievert et al. *) Notice: Subject to anyy disclaimer, the term of this 8,012,368 B2 9/2011 Nappa et al. patent is extended or adjusted under 35 8,070,976 B2 12/2011 Nappa et al. U.S.C. 154(b) by 0 days. -
Catalytic Conversion of Chloromethane to Methanol and Dimethyl Ether Over Two Catalytic Beds: a Study of Acid Strength
BRAZILIAN JOURNAL OF PETROLEUM AND GAS | v. 4 n. 3 | p. 083-089 | 2010 | ISSN 1982-0593 CATALYTIC CONVERSION OF CHLOROMETHANE TO METHANOL AND DIMETHYL ETHER OVER TWO CATALYTIC BEDS: A STUDY OF ACID STRENGTH a a a 1 Fernandes, D. R.; Leite, T. C. M., Mota, C. J. A. a Universidade Federal do Rio de Janeiro, Instituto de Química ABSTRACT The catalytic hydrolysis of chloromethane to methanol and dimethyl ether (DME) was studied over metal- exchanged Beta and Mordenite zeolites, acidic MCM-22 and SAPO-5. The use of a second catalytic bed with HZSM-5 zeolite increased the selectivity to DME, due to methanol dehydration on the acid sites. The effect was more significant on catalysts presenting medium and weak acid site distribution, showing that dehydration of methanol to DME is accomplished over sites of higher acid strength. KEYWORDS natural gas conversion; chloromethane; zeolites; methanol; dimethyl ether 1 To whom all correspondence should be addressed. Address: Universidade Federal do Rio de Janeiro, Instituto de Química. Av Athos da Silveira Ramos 149, CT Bloco A, 21941-909, Rio de Janeiro, Brazil |e-mail: [email protected] doi:10.5419/bjpg2010-0009 83 BRAZILIAN JOURNAL OF PETROLEUM AND GAS | v. 4 n. 3 | p. 083-089 | 2010 | ISSN 1982-0593 1. INTRODUCTION derivatives, either through direct reaction of natural gas with the halogens, or through The production of methanol and dimethyl ether oxyhalogenation processes, using HCl or HBr and (DME) from natural gas has been the subject of air. In addition, the electrophilic halogenation of great industrial interest. These oxygenates have methane can be performed with the use of Lewis high commercial value, because they can be used acid catalysts, yielding monohalomethane as liquid fuels and raw material for petrochemicals. -
20210311 IAEG AD-DSL V5.0 for Pdf.Xlsx
IAEGTM AD-DSL Release Version 4.1 12-30-2020 Authority: IAEG Identity: AD-DSL Version number: 4.1 Issue Date: 2020-12-30 Key Yellow shading indicates AD-DSL family group entries, which can be expanded to display a non-exhaustive list of secondary CAS numbers belonging to the family group Substance Identification Change Log IAEG Regulatory Date First Parent Group IAEG ID CAS EC Name Synonyms Revision Date ECHA ID Entry Type Criteria Added IAEG ID IAEG000001 1327-53-3 215-481-4 Diarsenic trioxide Arsenic trioxide R1;R2;D1 2015-03-17 2015-03-17 100.014.075 Substance Direct Entry IAEG000002 1303-28-2 215-116-9 Diarsenic pentaoxide Arsenic pentoxide; Arsenic oxide R1;R2;D1 2015-03-17 2015-03-17 100.013.743 Substance Direct Entry IAEG000003 15606-95-8 427-700-2 Triethyl arsenate R1;R2;D1 2015-03-17 2017-08-14 100.102.611 Substance Direct Entry IAEG000004 7778-39-4 231-901-9 Arsenic acid R1;R2;D1 2015-03-17 2015-03-17 100.029.001 Substance Direct Entry IAEG000005 3687-31-8 222-979-5 Trilead diarsenate R1;R2;D1 2015-03-17 2017-08-14 100.020.890 Substance Direct Entry IAEG000006 7778-44-1 231-904-5 Calcium arsenate R1;R2;D1 2015-03-17 2017-08-14 100.029.003 Substance Direct Entry IAEG000009 12006-15-4 234-484-1 Cadmium arsenide Tricadmium diarsenide R1;R2;D1 2017-08-14 2017-08-14 Substance Direct Entry IAEG000021 7440-41-7 231-150-7 Beryllium (Be) R2 2015-03-17 2019-01-24 Substance Direct Entry IAEG000022 1306-19-0 215-146-2 Cadmium oxide R1;R2;D1 2015-03-17 2017-08-14 100.013.770 Substance Direct Entry IAEG000023 10108-64-2 233-296-7 Cadmium