Search results
Results from the WOW.Com Content Network
In 2014, the EPA published its "Tier 3" standards for these vehicles, which tightened air pollution emission requirements and lowered the sulfur content in gasoline. [ 9 ] EPA has separate regulations for small engines, such as groundskeeping equipment .
NCCER is recognized across the United States for its breadth of trade curricula, which span over 40 trades, [4] and its workforce development system, which includes accreditation, training, assessment, certification and career development solutions for the construction and maintenance industries. After becoming NCCER-accredited, organizations ...
The "city" driving program of the EPA Federal Test Procedure is identical to the UDDS plus the first 505 seconds of an additional UDDS cycle. [5] [6] EPA FTP-75 driving cycle. Then the characteristics of the cycle are: Distance travelled: 11.04 miles (17.77 km) Duration: 1874 seconds; Average speed: 21.2 mph (34.1 km/h)
Standards for performing a Phase I site assessment have been promulgated by the US EPA [1] and are based in part on ASTM in Standard E1527-13. [ 2 ] If a site is considered contaminated, a Phase II environmental site assessment may be conducted, ASTM test E1903, a more detailed investigation involving chemical analysis for hazardous substances ...
New Source Performance Standards (NSPS) are pollution control standards issued by the United States Environmental Protection Agency (EPA). The term is used in the Clean Air Act Extension of 1970 (CAA) to refer to air pollution emission standards, and in the Clean Water Act (CWA) referring to standards for water pollution discharges of industrial wastewater to surface waters.
The inventory report has two forms. The Tier One form, the simpler of the two, contains aggregate information for applicable hazard categories and must be submitted yearly by March 1. The Tier One form is no longer accepted by any state. The Tier Two form contains more detailed information, including the specific names of each chemical.
EPA efforts to promote prevention practices include waste permitting procedures, revisions to regulations, technical assistance to industry and government agencies, and enforcement. The agency also makes efforts to link pollution prevention to public information about chemicals, such as in the TRI program.
The EPA reviewed this NAAQS in 1985 and 1996, and in both cases concluded that the existing standard was sufficient. The most recent review by the EPA occurred in 2010, resulting in a new 1-hour NO 2 primary standard set at 100 ppb; the annual average of 0.053 ppm remained the same. Also considered was a new 1-hour secondary standard of 100 ppb.