TESORO 9610-1917 Refinery, Lancaster, California | Oil Infrastructure

TESORO 9610-1917 is a refinery located at 18500 W Ave K in Lancaster, Los Angeles County, California. The facility is operational and classified under NAICS code 324110 for petroleum refineries. As part of the United States' oil infrastructure, it contributes to the regional supply of refined products. The refinery operates under the regulatory framework of the US Environmental Protection Agency's Clean Air Act Refinery Maximum Achievable Control Technology (MACT) standards, which govern emissions from refining processes. California's stringent environmental regulations, including those from the California Air Resources Board (CARB), further shape its operational requirements. The facility's scale is typical of a medium-sized refinery in the region. Located in the Mojave Desert area of Southern California, the refinery serves local and regional markets for transportation fuels and other petroleum products. Its operational status and adherence to regulatory standards are critical for maintaining supply reliability in the Los Angeles basin, a major refining hub. The facility's environmental management includes spill prevention and air quality controls to mitigate impacts on the surrounding community and ecosystem.

The refinery is situated in Lancaster, a city in the Mojave Desert with arid climate and sensitive air quality. Operations are subject to California's strict emissions standards and the US EPA's Refinery MACT rules, which limit hazardous air pollutants. The facility's coastal proximity (though inland) and product mix necessitate robust spill prevention and vapor recovery systems to protect local water resources and reduce smog-forming emissions.