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If you are human user receiving this message, we can add your IP address to a set of IPs that can access FederalRegister.gov & eCFR.gov; complete the CAPTCHA (bot test) below and click "Request Access". Title: Superfund Hazardous Substance Research and Training Program (P42) Announcement Type This is a reissue of RFA-ES-08-005. It includes a number of chemicals that are also on the CERCLA hazardous substances list (for instance, acetone cyanohydrin). ECHA/NR/23/02. View the most recent official publication: These links go to the official, published CFR, which is updated annually. The health effects of hazardous chemicals are often less clear than the physical hazards. The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. Official websites use .gov Due to aggressive automated scraping of FederalRegister.gov and eCFR.gov, programmatic access to these sites is limited to access to our extensive developer APIs. Contact Us to ask a question, provide feedback, or report a problem. Companies are responsible for managing the risks of these chemicals and must also give their customers and consumers information to use them . SUPERFUND HAZARDOUS SUBSTANCES BASIC RESEARCH PROGRAM Release Date: November 18, 1998 RFA: ES-99-001 P.T. Appendix A to Part 355 - The List of Extremely Hazardous Substances and Their Threshold Planning Quantities, Electronic Code of Federal Regulations (e-CFR), CHAPTER I - ENVIRONMENTAL PROTECTION AGENCY, SUBCHAPTER J - SUPERFUND, EMERGENCY PLANNING, AND COMMUNITY RIGHT-TO-KNOW PROGRAMS, PART 355 - EMERGENCY PLANNING AND NOTIFICATION, Bicyclo[2.2.1]Heptane-2-Carbonitrile, 5-Chloro-6-((((Methylamino)Carbonyl)Oxy)Imino)-, (1s-(1-alpha,2-beta,4-alpha,5-alpha,6E))-, Boron Trifluoride Compound With Methyl Ether (1:1), Cobalt, ((2,2-(1,2-Ethanediylbis (Nitrilomethylidyne)) Bis(6-Fluorophenolato))(2-)-N,N,O,O)-, Isopropylmethyl-pyrazolyl Dimethylcarbamate, Manganese, Tricarbonyl Methylcyclopentadienyl, Phosphonothioic Acid, Methyl-, O-Ethyl O-(4-(Methylthio) Phenyl), Phosphonothioic Acid, Methyl-, S-(2-(Bis(1Methylethyl)Amino)Ethyl) O-Ethyl, Phosphonothioic Acid, Methyl-, O-(4-Nitrophenyl) O-Phenyl, Phosphoric Acid, Dimethyl 4-(Methylthio)Phenyl, Phosphorothioic Acid, O,O-Dimethyl-S-(2-Methylthio) Ethyl. b. Emergency Planning and Community Right-to-Know Act (EPCRA). It is available on Choosing an item from Regulation Y Emergency Planning and Community Right-to-Know Act (EPCRA). (03) 9641 1444 or 1800 136 089 (toll free) - for general enquiries. 1600 Clifton Road NE, Mailstop S102-1. They have a clear warning of DANGEROUS POISON on the label. This list is found in 40 CFR 355, Appendix A. The list can be found as an appendix to 40 C.F.R. Sections 302, 303, 304, 325, 327, 328, and 329 of the Emergency Planning and Community Right-to-Know Act of 1986 (EPCRA) (42 U.S.C. . This contact form is only for website help or website suggestions. JavaScript appears to be disabled on this computer. This rule established the list of EHSs and their threshold planning quantities (TPQs). "LEPC" means "Committee," as prescribed at A.R.S. Please do not provide confidential If an accidental release of an Extremely Hazardous Substance (EHS) exceeds the applicable minimal reportable quantity, the facility must notify the State Emergency Response Commissions (SERC) and Local Emergency Planning Committee (LEPC) for any area likely to be affected by the release. contact the publishing agency. Any facility that is required to maintain SDSs under the Occupational Safety and Health Administration (OSHA) regulations for hazardous chemicals stored or used in the workplace. The consolidated list presents the TPQ (in pounds) for section 302 chemicals in the-ii-column following the chemical name. Pressing enter in the search box This web site is designed for the current versions of Health Hazards . or existing codification. Facilities provide either a Tier I or Tier II form. FAR). Part 1 - Substances that are not solutions Part 2 - Substances that are solutions Legend: A = aquatically toxic C = combustible E = likely to explode F = pool fire hazard 49 CFR 172.101 The management type determines what kind of regulatory actions are needed for compliance. Please check with your state, tribe, or territory for any additional reporting requirements. Over 500,000 products have SDSs which are normally obtained from the chemical manufacturer. Clean Air Act 1990 Amendments Hazardous Air Pollutants . (November 17, 1986, and February 15, 1990.). The four types of hazardous materials planning and reporting are: Emergency Release Notification ( EPCRA Section 304) Community Right to Know Hazardous Chemical Reporting (Tier II) ( EPCRA Sections 311-312) Community Right to Know Toxics Release Inventory (TRI) Reporting ( EPCRA TRI or Form R reporting) (Section 313) Toxic Substances List - Updated Schedule 1 as of May 12, 2021. The EHS list was first compiled by EPA, and subsequently incorporated into EPCRA, to identify chemicals that could cause serious irreversible health effects from accidental releases. switch to drafting.ecfr.gov. Hazardous Materials Table, Special Provisions, Hazardous Materials Communications, Emergency Response Information, Training Requirements, and Security Plans. extremely hazardous substance (EHS)? ( b) This part is written in a special format to make it easier to understand the regulatory requirements. Following the listing of elements and compounds is a listing of waste streams. We hope this information is helpful. Signed into law in 1986, the Emergency Planning and Community Right-to-Know Act (EPCRA) directed the EPA to publish a list of extremely hazardous substances. A facility at any given time during the reporting year stored mat erial on the EPA Extremely Hazardous Substance list to the materials' defined Threshold planning Quantity (TPQ ). List Type: Statute/Regulation: List Status: Approved: Number of Entries: 409: List Description: Title III of the Superfund Amendments and Reauthorization Act of 1986 (SARA), also known as the Emergency Planning and Community Right-to-Know Act of 1986 (EPCRA), establishes a program designed to encourage state and local planning and preparedness for spills and releases of extremely hazardous . This button displays the currently selected search type. Following the adoption of the opinion on the harmonised classification and labelling of a substance by the Committee for Risk Assessment (RAC), the European Commission takes a decision and publishes the updated list in an ATP. This list is found in 40 CFR 355, Appendix A. here. This is an automated process for Substances that are determined to be "toxic" under CEPA are recommended for . is available with paragraph structure matching the official CFR Facilities covered by these requirements must submit an emergency and hazardous chemical inventory form to their State or Tribal Emergency Response Commission (SERC or TERC), Local or Tribal Emergency Planning Committee (LEPC or TEPC), and the local fire department annually. In an emergency, call triple zero (000). * Only the statutory or final RQ is shown. The list of Extremely 172.1 - 172.822. This Federal Register notice contains the EHS list of chemicals as published in 1987. Please click here to see any active alerts. The elements and compounds and haz-ardous wastes appearing in table 302.4 are designated as hazardous substances under section 102(a) of the Act. For Extremely Hazardous Substances (EHSs) (40 CFR part 355. Very hazardous and extremely reactive and many are carcinogens. Releases of CERCLA hazardous substances are subject to the release reporting requirement of CERCLA section 103, codified at 40 CFR part 302, in addition to the requirements of 40 CFR part 355. The Candidate List of substances of very high concern now contains 233 entries for chemicals that can harm people or the environment. The . Emergency Planning and Community Right-to-Know Act (EPCRA); Comprehensive Environmental Response, Compensation and Liability Act (CERCLA); and. will bring you directly to the content. New facilities have three months after becoming subject to the OSHA regulations to submit their SDSs or the list of the hazardous chemicals to their State or Tribal Emergency Response Commission (SERC or TERC), Local or Tribal Emergency Planning Committee (LEPC or TEPC), and the fire department. A solid waste, as defined in 40 CFR 261.2, which is not excluded from regulation 2. SARA Title III/EPCRA Extremely Hazardous Substances . Inert compressed gases such as nitrogen, argon, and carbon dioxide are not considered "Hazardous Gases" for the purpose of this SOP. Federal Drug Administration Regulations . The Office of the Federal Register publishes documents on behalf of Federal agencies but does not have any authority over their programs. Part 172. On the hazardous substances list, you can find the English name and CAS No. 11002). 172.101 - 172.102. This material is a reactive solid. The calculated TPQ changed after technical review as described in a technical support document for the final rule, April 22, 1987. c. Chemicals added by final rule, April 22, 1987. d. Revised TPQ based on new or re-evaluated toxicity data, April 22, 1987. e. The TPQ was revised due to calculation error, April 22, 1987. f. Chemicals on the original list that do not meet toxicity criteria but because of their acute lethality, high production volume and known risk are considered chemicals of concern (Other chemicals), November 17, 1986 and February 15, 1990. g. The TPQ was recalculated (September 8, 2003) since it was mistakenly calculated in the April 22, 1987 final rule under the wrong assumption that this chemical is a reactive solid, when in fact it is a liquid. RQ for this chemical was adjusted on September 11, 2006. 4. Phone: 1-800-CDC-INFO 888-232-6348 (TTY) Email: Contact CDC-INFO. 302.4 Designation of hazardous sub-stances. * Only the statutory or final RQ is shown. The official, published CFR, is updated annually and available below under The calculated TPQ changed after technical review as described in a technical support document for the final rule, April 22, 1987. c. Chemicals added by final rule, April 22, 1987. d. Revised TPQ based on new or re-evaluated toxicity data, April 22, 1987. e. The TPQ was revised due to calculation error, April 22, 1987. f. Chemicals on the original list that do not meet toxicity criteria but because of their acute lethality, high production volume and known risk are considered chemicals of concern (Other chemicals). The extremely hazardous substances and their TPQs are listed in 40 CFR Part 355, Appendices A and B. TPQ. The in-page Table of Contents is available only when multiple sections are being viewed. the hierarchy of the document. The excel table containing all updates to the harmonised classification and labelling of hazardous substance is . This material is a reactive solid. A .gov website belongs to an official government organization in the United States. The eCFR is displayed with paragraphs split and indented to follow Organization and Purpose SRS can also be searched by a specific regulatory list and shows all the chemicals on that particular list. Notes: a. Title 40 was last amended 3/01/2023. This is a one-time submittal. Appendix A to 1910.119 - List of Highly Hazardous Chemicals, Toxics and Reactives (Mandatory) This appendix contains a listing of toxic and reactive highly hazardous chemicals which present a potential for a catastrophic event at or above the threshold quantity. As a No changes found for this content after 1/03/2017. What are EHSs? 73 FR 65462, Nov. 3, 2008, unless otherwise noted. A lock (LockA locked padlock) or https:// means youve safely connected to the .gov website. b. Microsoft Edge, Google Chrome, Mozilla Firefox, or Safari. Emergency Planning and Community Right-to-Know Act (EPCRA). WorkSafe Victoria Advisory Service Tel. eCFR :: Appendix A to Part 355, Title 40 -- The List of Extremely Hazardous Substances and Their Threshold Planning Quantities eCFR The Electronic Code of Federal Regulations Title 40 Displaying title 40, up to date as of 2/27/2023. A hazardous waste is extremely hazardous based on the following criteria: Acute oral toxicity3 - LD 50 is less than or equal to 50 mg/kg. EPA list of extremely hazardous substances, Last edited on 18 November 2021, at 09:26, Emergency Planning and Community Right-to-Know Act, United States Environmental Protection Agency, Benzimidazole, 4,5-dichloro-2-(trifluoromethyl)-, Carbamic acid, Methyl-, O-(((2,4-Dimethyl-1,3-Dithiolan-2-yl)Methylene)Amino)-, O-Ethyl-O-(4-nitrophenyl)phenylthiophosphonate, Isopropylmethylpyrazolyl dimethylcarbamate, Manganese, tricarbonyl methylcyclopentadienyl, Phenol, 3-(1-methylethyl)-, methylcarbamate, Phosphonothioic acid, methyl-, O-ethyl O-(4-(methylthio)phenyl) ester, Phosphonothioic acid, methyl-, S-(2-(bis(1-methylethyl)amino)ethyl) O-ethyl ester, Phosphonothioic acid, methyl-, O-(4-nitrophenyl) O-phenyl ester, Phosphoric acid, dimethyl 4-(methylthio)phenyl ester, Phosphonothioic acid, O,O-dimethyl-S-(2-methylthio) ethyl ester, Appendix A to Part 355 - The List of Extremely Hazardous Substances and Their Threshold Planning Quantities, Federal Register 71 FR 47121 (amendment, August 16, 2006), https://en.wikipedia.org/w/index.php?title=EPA_list_of_extremely_hazardous_substances&oldid=1055873020, This page was last edited on 18 November 2021, at 09:26. For more information, see 40 CFR 355.61 . These substances must also be kept out of reach of children. Share sensitive information only on official, secure websites. Hazardous by definition of OSHA: 29 CFR 1910.1200 Hydrogen Peroxides3 (30%) Severely corrosive and cause severe skin burns and eye damage. JavaScript appears to be disabled on this computer. egypt: hazardous substances list: hazardous substances subject to permitting procedure health hazards high production volume chemicals: icca Substances of Concern. (b) Unlisted hazardous substances. The EPA has a comprehensive EHS list that shows all the chemicals that should be reported. Facilities must submit the safety data sheet (SDS) or a list of hazardous chemicals to their State or Tribal Emergency Response Commission (SERC or TERC), Local or Tribal Emergency Planning Committee (LEPC or TEPC), and local fire department. A lock (LockA locked padlock) or https:// means youve safely connected to the .gov website. 7. An official website of the United States government. Most States require the Tier II form. Provide a completed MERC Tier II form listing the extremely hazardous substances that you have at your facility. * Only the statutory or final RQ is shown. The EHS list was first compiled by EPA, and subsequently incorporated into EPCRA, to identify chemicals that could cause serious irreversible health effects from accidental releases. Notes: Threshold planning quantity (pounds) 75-86-5 Acetone Cyanohydrin 1,000 107-02-8 Acrolein 500 107-13-1 Acrylonitrile f 10,000 814-68-6 Acrylyl Chloride d 100 Share sensitive information only on official, secure websites. Subpart Title: Toxic and Hazardous Substances Standard Number: 1910.1000 TABLE Z-2 Title: TABLE Z-2 GPO Source: e-CFR a This standard applies to the industry segments exempt from the 1 ppm 8-hour TWA and 5 ppm STEL of the benzene standard at 1910.1028. The data were provided by the United States Environmental Protection Agency (EPA). (a) The list of EHSs shall be comprised of the substances listed below: 1. Data on the health effects of chemical exposure, especially from chronic exposure, are often incomplete. National Institute of Environmental Health Sciences Letter of Intent Receipt Date: January 29, 1999 Application Receipt Date: May 11, 1999 PURPOSE The mission of the National Institute of Environmental Health Sciences (NIEHS) is to promote research that will ultimately reduce the extent of . The TPQ does not default to 10,000 pounds for non-powder, non-molten, non-solution form. Facilities with chemicals in quantities that equal or exceed the following thresholds must report: For Extremely Hazardous Substances (EHSs) (40 CFR part 355 Appendix A and Appendix B ), either 500 pounds or the Threshold Planning Quantity (TPQ), whichever is lower. This part also lists Extremely Hazardous Substances (EHSs) and Threshold Planning Quantities (TPQs) in Appendices A and B, which are used in determining if you are subject to these requirements. It must be noted that despite having the exact same name, the "extremely hazardous substances" subject to the Accidental Release Reporting Rule are not the same as, or in any sense limited to, EPA's list of "extremely hazardous substances" that are subject to EPCRA 304(a). For diesel fuel (all grades combined) at a retail gas station, the threshold level is 100,000 gallons (or approximately 378,500 liters), if the tank(s) was stored entirely underground and the tank(s) was in compliance at all times during the preceding calendar year with all applicableUST requirements at 40 CFR part 280 or requirements of the State UST program approved by the Agency under 40 CFR part 281. OSTI.GOV Book: Extremely hazardous substances - superfund chemical profiles. Official websites use .gov 40 CFR Appendix B to Part 355 - The List of Extremely Hazardous Substances and Their Threshold Planning Quantities | Electronic Code of Federal Regulations (e-CFR) | US Law | LII / Legal Information Institute LII Electronic Code of Federal Regulations (e-CFR) Title 40 - Protection of Environment CHAPTER I - ENVIRONMENTAL PROTECTION AGENCY result, it may not include the most recent changes applied to the CFR. An official website of the United States government. 1/1.1 Emergency Planning and Community Right-to-Know Act (42 U.S.C. This docu-ment contains the lists of extremely hazardous substances, hazardous substances (as defined by CERCLA), Clean Air Act Section 112(r) substances, and toxic chemicals. Atlanta, GA 30329. Please click here to see any active alerts. Signed into law in 1986, the Emergency Planning and Community Right-to-Know Act (EPCRA) directed the EPA to publish a list of extremely hazardous substances. The EHS list was first compiled by EPA, and subsequently incorporated into EPCRA, to identify chemicals that could cause serious irreversible health effects from accidental releases. b. How do I submit a Tier I or Tier II Inventory Report? Each can be displayed in ascending or descending order by clicking on the appropriate arrow in any of the headings. ** Threshold Quantity in Pounds (Amount necessary to be covered by this standard). Refer to the "List of Lists" (available online) EPCRA Section 311 Reporting: (Hazardous Chemical Storage Reporting) this is a one-time submittal; facilities have 90 days after becoming subject to OSHA regulations to submit their material. 1 CFR 1.1 The data were provided by the United States Environmental Protection Agency (EPA). RQ for this chemical was adjusted on September 11, 2006. Regulatory lists include those managed by EPA and other federal agencies and states. 13 23 60 - for employers to report fatalities and serious workplace injuries or incidents, 24 hours, 7 days. Source No. Updates as of 2006 can be seen on the Federal Register, 71 FR 47121 (August 16, 2006). Section 112(r) of the Clean Air Act (CAA). Introductory material explaining the lists and codes used in the chemical tables; Appendix B: Radionuclides listed under CERCLA; Appendix D: Toxics Release Inventory (TRI) chemical categories; or. site when drafting amendatory language for Federal regulations: [1] Updates as of 2006 can be seen on the Federal Register, 71 FR 47121 (August 16, 2006).[2]. When expanded it provides a list of search options that will switch the search inputs to match the current selection. Little Pro on 2023-01-17 1503. EXTREMELY HAZARDOUS SUBSTANCES (EHSs) EHS NAME CAS NUMBER TPQ* Isophorone diisocyanate 4098-71-9 500 Isopropyl chloroformate 108-23-6 1,000 Isopropylmethylpyrazolyl dimethylcarbamate 119-38- 500 Isothiocyanatomethane 556-61-6 500 Lactonitrile 78-97-7 1,000 Lewisite 541-25-3 10. Reporting requirements for releases of CERCLA chemicals are in 40 CFR part 302, with list of CERCLA hazardous substances in 40 CFR 302.4. If you have comments or suggestions on how to improve the www.ecfr.gov website or have questions about using www.ecfr.gov, please choose the 'Website Feedback' button below. Extremely hazardous substances - superfund chemical profiles Hazardous Materials Regulations. - Superfund, Emergency Planning, and Community Right-to-Know Programs, https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355/appendix-Appendix%20A%20to%20Part%20355, Benzimidazole, 4,5-Dichloro-2-(Trifluoromethyl)-, Bicyclo[2.2.1]Heptane-2-Carbonitrile, 5-Chloro-6-((((Methylamino)Carbonyl)Oxy)Imino)-, (1s-(1-alpha,2-beta,4-alpha,5-alpha,6E))-, Boron Trifluoride Compound With Methyl Ether (1:1), Carbamic Acid, Methyl-, O-(((2,4-Dimethyl-1, 3-Dithiolan-2-yl)Methylene)Amino)-, Cobalt, ((2,2-(1,2-Ethanediylbis (Nitrilomethylidyne)) Bis(6-Fluorophenolato))(2-)-N,N,O,O)-, Isopropylmethyl-pyrazolyl Dimethylcarbamate, Manganese, Tricarbonyl Methylcyclopentadienyl, Phenol, 3-(1-Methylethyl)-, Methylcarbamate, Phosphonothioic Acid, Methyl-, O-Ethyl O-(4-(Methylthio) Phenyl) Ester, Phosphonothioic Acid, Methyl-, S-(2-(Bis(1Methylethyl)Amino)Ethyl) O-Ethyl Ester, Phosphonothioic Acid, Methyl-, O-(4-Nitrophenyl) O-Phenyl Ester, Phosphoric Acid, Dimethyl 4-(Methylthio)Phenyl Ester, Phosphorothioic Acid, O,O-Dimethyl-S-(2-Methylthio) Ethyl Ester, Zinc, Dichloro(4,4-Dimethyl-5((((Methylamino)Carbonyl) Oxy)Imino)Pentanenitrile)-, (T-4)-. This content is from the eCFR and may include recent changes applied to the CFR. Emergency planning notification under EPCRA section 302 (40 CFR Part 355); Emergency release notification under EPCRA section 304 (40 CFR Part 355); Toxic chemical release reporting under EPCRA section 313 (40 CFR Part 372); Hazardous substances release notification under CERCLA sections 102-103 (40 CFR Part 302); and. will also bring you to search results. e sure to mark the "Extremely This document is available in the following developer friendly formats: Information and documentation can be found in our Background. Sections 301-303 of EPCRA require facilities to have emergency response plans initially focused on 406 extremely hazardous substances (EHSs) listed by the Environmental Protection Agency (EPA) in 1987 (now currently 355 chemicals). "MSDS" means material safety data sheet and has the same meaning as prescribed at 40 CFR 370.02. Appendix B to Part 355 - The List of Extremely Hazardous Substances and Their Threshold Planning Quantities, Electronic Code of Federal Regulations (e-CFR), CHAPTER I - ENVIRONMENTAL PROTECTION AGENCY, SUBCHAPTER J - SUPERFUND, EMERGENCY PLANNING, AND COMMUNITY RIGHT-TO-KNOW PROGRAMS, PART 355 - EMERGENCY PLANNING AND NOTIFICATION, Isopropylmethyl-pyrazolyl Dimethylcarbamate, Boron Trifluoride Compound With Methyl Ether (1:1), Phosphorothioic Acid, O,O-Dimethyl-S-(2-Methylthio) Ethyl, Phosphonothioic Acid, Methyl-, O-(4-Nitrophenyl) O-Phenyl, Phosphonothioic Acid, Methyl-, O-Ethyl O-(4-(Methylthio)Phenyl), Phosphoric Acid, Dimethyl 4-(Methylthio)Phenyl, Manganese, Tricarbonyl Methylcyclopentadienyl, Bicyclo[2.2.1]Heptane-2-Carbonitrile, 5-Chloro-6-((((Methylamino)Carbonyl)Oxy)Imino)-, (1s-(1-alpha,2-beta,4-alpha,5-alpha,6E))-, Phosphonothioic Acid, Methyl-, S-(2-(Bis(1-Methylethyl)Amino)Ethyl) O-Ethyl, Cobalt, ((2,2-(1,2-Ethanediylbis (Nitrilomethylidyne)) Bis(6-Fluorophenolato)) (2-)-N,N,O,O)-. (52 FR 13378). 355. A .gov website belongs to an official government organization in the United States. Extremely Hazardous Substances (EHSs) are substances listed on the EPA List of Lists. Acute inhalation toxicity5 - LC 50 is less than or equal to 100 ppm as a gas or vapor. FDA Food Substances Generally Recognized . Learn more about the eCFR, its status, and the editorial process. Choosing an item from Due to aggressive automated scraping of FederalRegister.gov and eCFR.gov, programmatic access to these sites is limited to access to our extensive developer APIs. Request For Applications (RFA) Number: RFA-ES-09-012 For all other hazardous chemicals: 10,000 pounds. formatting. Implemented by the Administrative Council on Toxics Use Reduction. ECHA adds nine hazardous chemicals to Candidate List. Obtain the list of "Extremely Hazardous Determine if you have any of these substances in an amount greater than the threshold planning quantity (TPQ). information or personal data. A .gov website belongs to an official government organization in the United States. You are using an unsupported browser. April 22, 1987: Extremely Hazardous Substance (EHS) List and Threshold Planning Quantities; Emergency Planning and Release Notification Requirements; Final Rule. The list of TRI chemicals can be found at 40 CFR 372.65. Enhanced content is provided to the user to provide additional context. Full Chemical Name . An official website of the United States government. "Hazardous substance" means a substance on the list that appears at 40 CFR 302.4. Subpart B. Facilities with chemicals in quantities that equal or exceed the following thresholds must report: Hazardous chemicals are substances for which a facility must maintain a SDS under the OSHA Hazard Communication Standard, which lists the criteria used to identify a hazardous chemical. This list of substances is divided into two parts. If you want to request a wider IP range, first request access for your current IP, and then use the "Site Feedback" button found in the lower left-hand side to make the request. If you want to request a wider IP range, first request access for your current IP, and then use the "Site Feedback" button found in the lower left-hand side to make the request. The calculated TPQ changed after technical review as described in a technical support document for the final rule, April 22, 1987. c. Chemicals added by final rule, April 22, 1987. d. Revised TPQ based on new or re-evaluated toxicity data, April 22, 1987. e. The TPQ was revised due to calculation error, April 22, 1987. f. Chemicals on the original list that do not meet toxicity criteria but because of their acute lethality, high production volume and known risk are considered chemicals of concern (Other chemicals), November 17, 1986 and February 15, 1990. g. The TPQ was recalculated (September 8, 2003) since it was mistakenly calculated in the April 22, 1987 final rule under the wrong assumption that this chemical is a reactive solid, when in fact it is a liquid. 171 - 185. Executive Office of Energy & Environmental Affairs (EEA) regulations listing all chemicals and compounds subject to Toxics Use Reduction Act (M.G.L.