How will the shutdown impact California? Here is what we know:Airports and transportationMajor California airports are not expected to see immediate interruptions in service. That’s because air traffic controllers and the Transportation Security Administration will still be on the job. AdvertisementEnvironmentNearly 90% of EPA staff will be furloughed; only 1,732 of 15,166 employees will report to work, according to the agency’s most recent shutdown contingency plan, issued in September. “The level of disruption will depend on how many SSA employees the Trump administration deems ‘essential’ and ‘non-essential’ during the shutdown.