https://ww2.arb.ca.gov/our-work/programs/california-state-implementation-plans/nonattainment-area-plans/great-basin-0
Owens Valley Air Quality Plans | California Air Resources Board
This page contains information regarding recent and historical State Implementation Plan (SIP) activity related to the the Owens Valley, a nonattainment area...
air quality plansowens valleycalifornia resourcesboard
https://www3.epa.gov/airquality/urbanair/sipstatus/reports/lead__1978_en.html
National Designated Area Reports | SIP Status Reports | Air Quality Implementation Plans | EPA Home
area reports