BN Business News
Business Maps⌕ Pesquisar no Business News
Adicionar empresa →
Esta tradução está a ser preparada. Entretanto, mostramos temporariamente a versão original em inglês.

Energia e ambiente · 10/12/20101 min de leitura

Integrated Risk Information System (IRIS); Announcement of Availability of Literature Searches for IRIS Assessments

Tradução automática local · Idioma original da fonte

Resumo

The U.S. Environmental Protection Agency (EPA) is announcing the availability of literature searches for four IRIS assessments, acetaldehyde (CAS No. 75-07-0), hexachlorobutadiene (CAS No. 87-68-3), hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) (CAS No. 121-82-4), and naphthalene (CAS No. 91-20-3) and requesting scientific information on health effects that may result from exposure to these chemical substances. EPA's IRIS is a human health assessment program that evaluates quantitative and qualitative risk information on effects that may result from exposure to specific chemical substances found in the environment.

Idioma original da fonte: Federal Register — Environmental Protection AgencyAbrir o comunicado original →

Explorar análises

Análises empresariais →
6

Energia e ambiente · 29/05/2026

Approval and Promulgation of State Air Quality Plans (Negative Declarations) for Designated Facilities and Pollutants; District of Columbia

The Environmental Protection Agency (EPA) is providing notice of and is codifying approval of negative declarations submitted by the District of Columbia Department of Energy and Environment (DCDOEE) on July 19, 2024 and August 28, 2024. The negative declarations submitted by the DCDOEE certify that there are no existing large municipal waste combustors (LMWC), crude oil and natural gas facilities (ONG), or electric utility generating units (EGU) subject to sections 111(d) and 129 of the Clean Air Act (CAA) within the jurisdiction of the District of Columbia.

Ler o resumo →

Energia e ambiente · 29/05/2026

South Carolina; Approval of State Plan for Control of Emissions From Commercial and Industrial Solid Waste Incineration Units

The Environmental Protection Agency (EPA) is taking final action to approve a state plan submitted by the State of South Carolina, through the South Carolina Department of Health and Environmental Control (SC DHEC) on December 19, 2014, and supplemented on September 17, 2018, June 19, 2019, and November 5, 2019, for implementing and enforcing the Emissions Guidelines (EG) applicable to existing Commercial and Industrial Solid Waste Incineration (CISWI) units. The State plan provides for implementation and enforcement of the EG, as finalized by EPA on June 23, 2016, applicable to existing CISWI units for which construction commenced on or before June 4, 2010, or for which modification or reconstruction commenced after June 4, 2010, but no later than August 7, 2013. The State plan also incorporates the CISWI technical amendments finalized by EPA on April 16, 2019. The South Carolina State plan establishes emission limits, monitoring, operating, recordkeeping, and reporting requirements for affected CISWI units.

Ler o resumo →

Energia e ambiente · 29/05/2026

Air Plan Approval; Virginia; Repeal of Existing Stationary Source Regulations

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision (Revision B23) submitted by the Commonwealth of Virginia. The revision removes two existing stationary sources regulations, emission standards for petroleum refinery operations and emissions standards for large appliance coating application systems, from Virginia's SIP as there are no longer any applicable sources in Virginia. The EPA is approving these revisions to the Virginia SIP in accordance with the requirements of the Clean Air Act (CAA).

Ler o resumo →

Energia e ambiente · 29/05/2026

Partial Approval and Partial Disapproval of Air Quality Implementation Plans; Hawaii; Regional Haze State Implementation Plan for the Second Implementation Period

The Environmental Protection Agency (EPA) is partially approving and partially disapproving the regional haze state implementation plan (SIP) revision submitted by Hawaii on August 2, 2024, under the Clean Air Act (CAA) and the EPA's Regional Haze Rule (RHR) for the program's second implementation period. Hawaii's SIP submission is intended to address the requirement that states must periodically revise their long-term strategies for making reasonable progress towards the national goal of preventing any future, and remedying any existing, anthropogenic impairment of visibility, including regional haze, in mandatory Class I Federal areas. The SIP submission also addresses other applicable requirements for the second implementation period of the regional haze program. The EPA is approving the portions of Hawaii's submission relating to calculations of baseline, current, and natural visibility conditions, progress to date, the uniform rate of progress, reasonably attributable visibility impairment, progress report requirements, and monitoring strategy and other implementation plan requirements. The EPA is disapproving the long-term strategy, including the enforceable shutdown of sever

Ler o resumo →

Energia e ambiente · 29/05/2026

Air Plan Approval; California; San Joaquin Valley Unified Air Pollution Control District; Ventura County Air Pollution Control District; South Coast Air Quality Management District; Oil and Gas Production; Volatile Organic Compounds

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the San Joaquin Valley Unified Air Pollution Control District (SJVUAPCD), Ventura County Air Pollution Control District (VCAPCD), and South Coast Air Quality Management District (SCAQMD) portions of the California State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOCs) from crude oil and natural gas production facilities. We are approving local rules that regulate these emission sources under the Clean Air Act (CAA or "Act").

Ler o resumo →

Energia e ambiente · 29/05/2026

Designation of Areas for Air Quality Planning Purposes; Michigan; Technical Amendment

The Detroit, Michigan area was redesignated to attainment of the 2015 ozone National Ambient Air Quality Standards (NAAQS) on May 19, 2023. On December 5, 2025, the United States Court of Appeals for the Sixth Circuit vacated the Environmental Protection Agency's (EPA's) redesignation of the Detroit area. Therefore, pursuant to the Court's decision, the EPA is making a technical amendment to the part 81 listing for the Detroit area to reflect the area's designation as nonattainment for the 2015 ozone NAAQS, with a classification of Moderate.

Ler o resumo →