SARA Title III EXTREMELY HAZARDOUS SUBSTANCES
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Propoxur United States Environmental Protection Agency
United States Prevention, Pesticides EPA738-R-97-009 Environmental Protection And Toxic Substances August 1997 Agency (7508W) Reregistration Eligibility Decision (RED) PROPOXUR UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 OFFICE OF PREVENTION, PESTICIDES AND TOXIC SUBSTANCES CERTIFIED MAIL Dear Registrant: I am pleased to announce that the Environmental Protection Agency has completed its reregistration eligibility review and decisions on the pesticide chemical case propoxur. The enclosed Reregistration Eligibility Decision (RED) contains the Agency's evaluation of the data base of this chemical, its conclusions of the potential human health and environmental risks of the current product uses, and its decisions and conditions under which these uses and products will be eligible for reregistration. The RED includes the data and labeling requirements for products for reregistration. It may also include requirements for additional data (generic) on the active ingredient to confirm the risk assessments. To assist you with a proper response, read the enclosed document entitled "Summary of Instructions for Responding to the RED." This summary also refers to other enclosed documents which include further instructions. You must follow all instructions and submit complete and timely responses. The first set of required responses is due 90 days from the receipt of this letter. The second set of required responses is due 8 months from the date of receipt of this letter. Complete and timely responses will avoid the Agency taking the enforcement action of suspension against your products. If you have questions on the product specific data requirements or wish to meet with the Agency, please contact the Special Review and Reregistration Division representative Bonnie Adler (703) 308-8523. -
Adverse Effects of Organophosphorus Pesticides on the Liver: a Brief Summary of Four Decades of Research
Karami-Mohajeri S, et al. Adverse effects of OPs on the liver: a brief research summary Arh Hig Rada Toksikol 2017;68:261-275 261 Review DOI: 10.1515/aiht-2017-68-2989 Adverse effects of organophosphorus pesticides on the liver: a brief summary of four decades of research Somayyeh Karami-Mohajeri1,2, Ahmad Ahmadipour2, Hamid-Reza Rahimi1,2, and Mohammad Abdollahi3,4 Pharmaceutics Research Center, Institute of Neuropharmacology1, Department of Toxicology and Pharmacology, Faculty of Pharmacy2, Kerman University of Medical Sciences, Kerman, Pharmaceutical Sciences Research Center3, Department of Toxicology and Pharmacology4, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran [Received in May 2017; Similarity Check in May 2017; Accepted in December 2017] Organophosphorus pesticides (OPs) are widely used volatile pesticides that have harmful effects on the liver in acute and chronic exposures. This review article summarises and discusses a wide collection of studies published over the last 40 years reporting on the effects of OPs on the liver, in an attempt to propose general mechanisms of OP hepatotoxicity and possible treatment. Several key biological processes have been reported as involved in OP-induced hepatotoxicity such as disturbances in the antioxidant defence system, oxidative stress, apoptosis, and mitochondrial and microsomal metabolism. Most studies show that antioxidants can attenuate oxidative stress and the consequent changes in liver function. However, few studies have examined the relationship between OP structures and the severity and mechanism of their action. We hope that future in vitro, in vivo, and clinical trials will answer the remaining questions about the mechanisms of OP hepatotoxicity and its management. -
Emerging Technologies for Degradation of Dichlorvos: a Review
International Journal of Environmental Research and Public Health Review Emerging Technologies for Degradation of Dichlorvos: A Review Yuming Zhang 1,2, Wenping Zhang 1,2, Jiayi Li 1,2, Shimei Pang 1,2, Sandhya Mishra 1,2 , Pankaj Bhatt 1,2 , Daxing Zeng 3,* and Shaohua Chen 1,2,* 1 State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Province Key Laboratory of Microbial Signals and Disease Control, Integrative Microbiology Research Centre, South China Agricultural University, Guangzhou 510642, China; [email protected] (Y.Z.); [email protected] (W.Z.); [email protected] (J.L.); [email protected] (S.P.); [email protected] (S.M.); [email protected] (P.B.) 2 Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China 3 School of Applied Chemistry and Biological Technology, Shenzhen Polytechnic, Shenzhen 518055, China * Correspondence: [email protected] (D.Z.); [email protected] (S.C.); Tel.: +86-20-8528 8229 (S.C.) Abstract: Dichlorvos (O,O-dimethyl O-(2,2-dichlorovinyl)phosphate, DDVP) is a widely acknowl- edged broad-spectrum organophosphorus insecticide and acaracide. This pesticide has been used for more than four decades and is still in strong demand in many developing countries. Extensive application of DDVP in agriculture has caused severe hazardous impacts on living systems. The International Agency for Research on Cancer of the World Health Organization considered DDVP among the list of 2B carcinogens, which means a certain extent of cancer risk. Hence, removing DDVP from the environment has attracted worldwide attention. Many studies have tested the removal of DDVP using different kinds of physicochemical methods including gas phase surface discharge plasma, physical adsorption, hydrodynamic cavitation, and nanoparticles. -
Background Document on Cadmium ______
Hazardous Substances Series -------------------------------------------------------------------------------------------------------------------------------------------- Cadmium OSPAR Commission 2002 (2004 Update) OSPAR Commission, 2002: OSPAR Background Document on Cadmium _______________________________________________________________________________________________________ The Convention for the Protection of the Marine Environment of the North-East Atlantic (the “OSPAR Convention”) was opened for signature at the Ministerial Meeting of the former Oslo and Paris Commissions in Paris on 22 September 1992. The Convention entered into force on 25 March 1998. It has been ratified by Belgium, Denmark, Finland, France, Germany, Iceland, Ireland, Luxembourg, Netherlands, Norway, Portugal, Sweden, Switzerland and the United Kingdom and approved by the European Community and Spain. La Convention pour la protection du milieu marin de l'Atlantique du Nord-Est, dite Convention OSPAR, a été ouverte à la signature à la réunion ministérielle des anciennes Commissions d'Oslo et de Paris, à Paris le 22 septembre 1992. La Convention est entrée en vigueur le 25 mars 1998. La Convention a été ratifiée par l'Allemagne, la Belgique, le Danemark, la Finlande, la France, l’Irlande, l’Islande, le Luxembourg, la Norvège, les Pays-Bas, le Portugal, le Royaume-Uni de Grande Bretagne et d’Irlande du Nord, la Suède et la Suisse et approuvée par la Communauté européenne et l’Espagne. © OSPAR Commission, 2002. Permission may be granted by the publishers for the report to be wholly or partly reproduced in publications provided that the source of the extract is clearly indicated. © Commission OSPAR, 2002. La reproduction de tout ou partie de ce rapport dans une publication peut être autorisée par l’Editeur, sous réserve que l’origine de l’extrait soit clairement mentionnée. -
"U/^ ((*.U \ BIBLIOTHEEK STARINGGEBOUW Volatilization of Tri-Allate, Ethoprophos and Parathion Measured with Four Methods After Spraying on a Sandy Soil
"u/^ ((*.u \ BIBLIOTHEEK STARINGGEBOUW Volatilization of tri-allate, ethoprophos and parathion measured with four methods after spraying on a sandy soil G. Bor F. van den Berg J.H. Smelt R.A. Smidt A.E. van de Peppel-Groen M. Leistra Report 104 DLO Winand Staring Centre, Wageningen (The Netherlands), 1995 1 h FEB. 1998 0000' ABSTRACT Bor, G., F. van den Berg, J.H. Smelt, R.A. Smidt, A.E. van de Peppel-Groen, M. Leistra, 1995. Volatilization of tri-allate, ethoprophos and parathion measured withfour methods after spraying on a sandy soil. Wageningen (The Netherlands), DLO Winand Staring Centre. Report 104. 62 pp.; 9 Figs; 6 Tables; 14 Refs; 3 Annex. At about eleven times after application of tri-allate, ethoprophos and parathion to a sandy soil, their rates of volatilization were determined with the aerodynamic method (AD),th e Bowen-ratio method (BR), the theoretical-profile method (TP) and the Box method (B). The volatilization was highest for tri-allate and lowest for parathion. On the first day after application, the volatilization rate decreased sharply,bu tthereafte r the decreasewa smor egradual .Th edifference s involatilizatio n rate asdetermine d withth eAD ,B R andT Pmethod s werecomparativel y small.Th erate sdetermine d with the Box method were mostly lower than those determined with the other methods. Keywords: aerodynamic method, air quality, air sampling, Bowen ratio method, Box method, field experiment, gas chromatography, pesticide, polystyrene, theoretical-profile method, XAD ISSN 0927-4537 ©1995 DLO Winand Staring Centre for Integrated Land, Soil and Water Research (SC-DLO) P.O. -
COMBINED LIST of Particularly Hazardous Substances
COMBINED LIST of Particularly Hazardous Substances revised 2/4/2021 IARC list 1 are Carcinogenic to humans list compiled by Hector Acuna, UCSB IARC list Group 2A Probably carcinogenic to humans IARC list Group 2B Possibly carcinogenic to humans If any of the chemicals listed below are used in your research then complete a Standard Operating Procedure (SOP) for the product as described in the Chemical Hygiene Plan. Prop 65 known to cause cancer or reproductive toxicity Material(s) not on the list does not preclude one from completing an SOP. Other extremely toxic chemicals KNOWN Carcinogens from National Toxicology Program (NTP) or other high hazards will require the development of an SOP. Red= added in 2020 or status change Reasonably Anticipated NTP EPA Haz list COMBINED LIST of Particularly Hazardous Substances CAS Source from where the material is listed. 6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10- hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide Acutely Toxic Methanimidamide, N,N-dimethyl-N'-[2-methyl-4-[[(methylamino)carbonyl]oxy]phenyl]- Acutely Toxic 1-(2-Chloroethyl)-3-(4-methylcyclohexyl)-1-nitrosourea (Methyl-CCNU) Prop 65 KNOWN Carcinogens NTP 1-(2-Chloroethyl)-3-cyclohexyl-1-nitrosourea (CCNU) IARC list Group 2A Reasonably Anticipated NTP 1-(2-Chloroethyl)-3-cyclohexyl-1-nitrosourea (CCNU) (Lomustine) Prop 65 1-(o-Chlorophenyl)thiourea Acutely Toxic 1,1,1,2-Tetrachloroethane IARC list Group 2B 1,1,2,2-Tetrachloroethane Prop 65 IARC list Group 2B 1,1-Dichloro-2,2-bis(p -chloropheny)ethylene (DDE) Prop 65 1,1-Dichloroethane -
The Calcium Arsenates
Station RuIletin 131. June, 1918 Oregon Agricultural College Experiment Station AGRICULTURAL CHEMISTRY DEPARTMENT The Calcium Arsenates By R. H. ROBINSON Acting Chemist, Oregon Agricultural Experiment Station. CORVALLIS, OREGON The regular huIlejne of the Station are sent free to the residents of Oregon who request them. THE CALCIUM ARSENATES By R. H. ROBINSON Acting Chemist, Oregon Agricultural Experiment Station INTRODUCTION Chemical investigations on the calcium arsenates relative to their economfic value and practicability as insecticides have been carried on by the department of Agricultural Chemistry of this Station during the past two years.The results obtained from these investigations are presented in this bulletin.The work was supported by the annual funds provided by the Adams Act of the United States Government.. Commercial calcium arsenate is an arsenical now being produced by reliable manufacturers of spray material and offered for sale as a sub- stitute for the arsenates of lead.The value of the latter as a stomachic insecticide has been demonstrated, and itis now used extensively for the successful controlof the codling moth, the destructionof the cotton boll worm., the tobacco worm, and the Colorado potato beetle. Previous inveatigations on the toxic values and killing power of calcium arsenate and lead arsenate indicate equal efficiency. A consideration of a few figures will show the economic advantages which might be gained if calcium arsenate could be substituted for lead arsenate.A conservative estimate of the quantity of lead arsenate used annually in the United States, as stated by one of the largest manufac- turers of spray materials, is probably more than 30,000,000 pounds. -
Effect of Chlorpyrifos Oxon on M2 Muscarinic Acetylcholine Receptor Trafficking”
EFFECT OF CHLORPYRIFOS OXON ON M2 MUSCARINIC ACETYLCHOLINE RECEPTOR REGULATION BY ELMAR MABUNGA UDARBE Doctor of Veterinary Medicine University of the Philippines Los Baños College, Laguna, Philippines 1999 Submitted to the Faculty of the Graduate College of Oklahoma State University in partial fulfillment of the requirements for the Degree of MASTER OF SCIENCE July, 2004 EFFECT OF CHLORPYRIFOS OXON ON M2 MUSCARINIC ACETYLCHOLINE RECEPTOR REGULATION Thesis Approved: DR. CAREY N. POPE Thesis Advisor DR. CYRIL C. CLARKE DR. CHARLOTTE C. OWNBY DR. DORIS K. PATNEAU DR. AL CARLOZI Dean of Graduate College ii ACKNOWLEDGMENTS My sincerest gratitude goes to my major advisor, Dr. Carey N. Pope for the intelligent supervision, for providing inspiration to do this work. I am also thankful to my committee members, Dr. Cyril Clarke, Dr. Charlotte Ownby and Dr. Doris Patneau for helpful comments on the content and form of this manuscript. I am indebted to the Fulbright-Philippine Agriculture Scholarship Program (FPASP) and the Philippine American Education Foundation (PAEF) whose exchange program deepened my understanding of the U.S. culture and its people and allowed me to promote mutual understanding between the U.S. and the Philippines. I am grateful to the University of the Philippines in Mindanao (UPMINDANAO) for supporting my pursuit for graduate studies, the National Institute of Environmental Health Sciences (NIEHS), Oklahoma State University Board of Regents and Dr. Sidney Ewing, Wendell H. and Nellie G. Krull Endowed professor for the financial assistance. I am also thankful to the following: Ms. Sharon Baker for doing the preliminary work on the project; Dr. -
Environmental Properties of Chemicals Volume 2
1 t ENVIRONMENTAL 1 PROTECTION Esa Nikunen . Riitta Leinonen Birgit Kemiläinen • Arto Kultamaa Environmental properties of chemicals Volume 2 1 O O O O O O O O OO O OOOOOO Ol OIOOO FINNISH ENVIRONMENT INSTITUTE • EDITA Esa Nikunen e Riitta Leinonen Birgit Kemiläinen • Arto Kultamaa Environmental properties of chemicals Volume 2 HELSINKI 1000 OlO 00000001 00000000000000000 Th/s is a second revfsed version of Environmental Properties of Chemica/s, published by VAPK-Pub/ishing and Ministry of Environment, Environmental Protection Department as Research Report 91, 1990. The pubiication is also available as a CD ROM version: EnviChem 2.0, a PC database runniny under Windows operating systems. ISBN 951-7-2967-2 (publisher) ISBN 952-7 1-0670-0 (co-publisher) ISSN 1238-8602 Layout: Pikseri Julkaisupalvelut Cover illustration: Jussi Hirvi Edita Ltd. Helsinki 2000 Environmental properties of chemicals Volume 2 _____ _____________________________________________________ Contents . VOLUME ONE 1 Contents of the report 2 Environmental properties of chemicals 3 Abbreviations and explanations 7 3.1 Ways of exposure 7 3.2 Exposed species 7 3.3 Fffects________________________________ 7 3.4 Length of exposure 7 3.5 Odour thresholds 8 3.6 Toxicity endpoints 9 3.7 Other abbreviations 9 4 Listofexposedspecies 10 4.1 Mammais 10 4.2 Plants 13 4.3 Birds 14 4.4 Insects 17 4.5 Fishes 1$ 4.6 Mollusca 22 4.7 Crustaceans 23 4.8 Algae 24 4.9 Others 25 5 References 27 Index 1 List of chemicals in alphabetical order - 169 Index II List of chemicals in CAS-number order -
Phytotoxicity of Some Organophosphate Insecticides to Oughly with Air Dry, Sieved Soil, to Pro Duce Rates of 37.5, 75 and ISO Mg Aj
Plant Protection Quarterly VoI.7(1} 1992 23 -------------------------------- ties of each pesticide were shaken thor Phytotoxicity of some organophosphate insecticides to oughly with air dry, sieved soil, to pro duce rates of 37.5, 75 and ISO mg aj. L-' onions and carrots during germination and emergence soil. Each pot constituted one plot. If it is assumed that in a field situation, P.J. Sinclair, New South Wales Agriculture, Horticultural Research and band-in-furrow treatment would treat a Advisory Station, Griffith, New South Wales 2680, Australia. strip 50 mm wide by 20 mm deep, the rates tested would correspond to 37.5, 75 R.J. Neeson and P.A. Williams, New South Wales Agriculture, Agricultural and 150 mg a.i. m" row, or 0.5,1.0 and 2.0 institute, Yanco, New South Wales 2703, Australia. kg a.i. ha" at a row spacing of 75 cm. The low and medium rates are then compara Summary ble to ra tes used in the field by Getzin The phytotoxicity of some commonly phytotoxicity from carbofuran applied to (1973), Thompson et al. (1981) and used insecticides to onions (Allium cepa) onions as a seed dressing. Chlorpyrifos is Goodyer et al. (1989) . and carrots (Daucus carota) during es generally non-phytotoxic at recom Daily counts of emerged seedlings were tablishment was assessed in pot trials. mended rates and methods of application, made at 7 to 18 days and at 21 days after Terbufos, ethoprophos, phoxirn and but some crops are especially sensitive to first watering. These data were used to de carbofuran (all 10% a.L granular fonnu it during the seedling stage or if the termine the total number of seedlings lations) and chlorpyrifos (25% a.i. -
Organophosphate Poisoning : a Review
120 Sinha and Sharma Med J Indones Organophosphate poisoning : A review Parmod K. Sinha, Ashok Sharma Abstrak Pestisida organofosfat digunakan secara luas di seluruh dunia. Keracunan oleh bahan ini merupakan masalah kesehatan masyarakat, terutama di negara berkembang. Zat neurotoksik organofosfat merupakan bahan yang dianggap mengancam dalam bidang militer dan terorisme. Mekanisme toksisitas bahan ini adalah dengan cara menghambat asetilkolinesterase yang mengakibatkan menumpuknya neurotransmitor asetilkolin dan terjadi rangsangan terus-menerus pada reseptor asetilkolin pada sistem saraf sentral maupun perifer. Selain krisis kolinergik, organofosfat dapat menimbulkan berbagai sindrom neurologis, baik akut maupun kronik. Sedangkan gejala peralihan ( intermediate) terjadi 1-4 hari setelah krisis kolinergik teratasi. Pengobatan standar terdiri dari reaktivasi asetilkolinesterase dengan antidot golongan oksim (prolidoksim, oksidoksime, HI-6 dan HLo7), dan pengendalian efek biokimia asetilkolin dengan menggunakan atropin. Golongan oksim yang baru HI-6 dan Hlo7 merupakan reaktivator asetilkolinesterase yang lebih cocok dan efektif untuk keracunan akut dan berat dibandingkan dengan prolidoksim dan obidoksim. Penderita yang mendapat pengobatan segera, biasanya dapat sembuh dari toksisitas akut, namun gejala neurologis ikutan dapat saja terjadi. (Med J Indones 2003; 12: 120-6) Abstract Organophosphate pesticides are used extensively worldwide, and poisoning by these agents, particularly in developing nations is a public health problem. Organophosphorous -
Polyvinyl Chloride - Wikipedia Polyvinyl Chloride
1/24/2020 Polyvinyl chloride - Wikipedia Polyvinyl chloride Polyvinyl chloride (/ˌpɒlivaɪnəl ˈklɔːraɪd/;[5] colloquial: Polyvinyl chloride polyvinyl, vinyl;[6] abbreviated: PVC) is the world's third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene.[7] About 40 million tonnes are produced per year. PVC comes in two basic forms: rigid (sometimes abbreviated as RPVC) and flexible. The rigid form of PVC is used in construction for pipe and in profile applications such as doors and windows. It is also used in making bottles, non-food packaging, food-covering sheets,[8] and cards (such as bank or membership cards). It can be made softer and more flexible by the addition of plasticizers, the most widely used being phthalates. In this form, it is also used in plumbing, electrical cable insulation, imitation leather, flooring, signage, phonograph records,[9] inflatable products, and many applications where it replaces rubber.[10] With cotton or linen, it is used to make canvas. Pure polyvinyl chloride is a white, brittle solid. It is insoluble in alcohol but slightly soluble in tetrahydrofuran. Contents Discovery Production Microstructure Names Producers IUPAC name Additives poly(1-chloroethylene)[1] Phthalate plasticizers Di-2ethylhexylphthalate Other names Metal stabilizers Polychloroethylene Heat stabilizers Identifiers Properties CAS Number 9002-86-2 (http://ww Mechanical w.commonchemistry. Thermal and fire org/ChemicalDetail.a Electrical spx?ref=9002-86-2) Chemical Abbreviations PVC Applications ChEBI CHEBI:53243