Tens of thousands of federal employees sat home on Monday, the third day of the partial government shutdown, but the first work day of the event.

The shutdown took effect on Saturday, and while the Senate was trying to find a way forward to pass a bill funding the government, no tangible progress was made, and the Senate was expected to vote at noon to try again.

But no immediate deal was expected, and in the meanwhile, agencies made a range of plans to deal with the lapse in appropriations. Here are some of the key plans from the larger agencies:

Commerce Department

Most will be furloughed. A plan from the agency said that of the 48,000 workers, just 6,300 would be exempted from the shutdown.

Defense Department

DoD said it would continue its war-fighting efforts, but a spokesperson indicated that about 375,000 civilians would be furloughed, or 50 percent of the workforce.

"Military personnel will not be paid until such time as Congress makes appropriated funds available to compensate them for this period of service," DoD's guidance said. "Civilian personnel who are necessary to carry out or support excepted activities will also continue in normal duty status and also will not be paid until Congress makes appropriated funds available."

"Civilian employees paid from lapsed appropriations and who are not necessary to carry out or support excepted activities will be furloughed," it said.

Environmental Protection Agency

This independent agency has said it can stay open with its regular staff for a "limited amount of time," and told staff to come to work as normal, at least for now. But in past shutdowns, most of the EPA staff has been deemed as "nonessential," and didn't show up for work in the prolonged shutdown in 2013.

Health and Human Services

HHS said it would furlough nearly 41,000 of its 82,000 staff.

"Put another way, 50 percent of HHS employees would be on furlough, and 50 percent would be retained," the agency said.

Homeland Security

DHS said in its plan that the bulk of U.S. Customs and Border Protection — 54,000 out of 59,000 — perform a key national security function and thus would be exempt from the shutdown.

Similarly, 16,000 out of 19,000 in Immigration and Customs Enforcement will still be working, and 54,000 out of 58,000 at the Transportation Security Administration will still be on the job.

But thousands of people in DHS administration will be furloughed.

DHS noted that fee-funded services, such as U.S. Citizenship and Immigration Services, will still be operating.

Interior Department

Most in the secretary's office are furloughed, 2,267 out of 2,733.

The department also noted that many services in the country's national parks will be curtailed until funding is restored.

"Parks must notify visitors that the NPS will cease providing visitor services, including restrooms, trash collection, facilities and roads maintenance (including plowing), campground reservation and check-in/check-out services, backcountry and other permits, and public information," the department said.

Justice Department

Of this agency's 115,000, about 83 percent will be exempted from the shutdown.

"[A] significant portion of the Department’s mission relates to the safety of human life and the protection of property, and primarily for this reason, the Department has a high percentage of activities and employees that are excepted from the Antideficiency Act restrictions and can continue during a lapse in appropriations," DOJ said.

Labor Department

Most will be furloughed. Out of 14,825 employees, just 3,077 will be working.

State Department

State said last week that some of its funding is still available because it is provided for a two-year period. But it said it would continue assessing the situation as it unfolds.

"Departmental entities will continue to operate until their respective balances are insufficient to continue. While many appropriated funds expire after one year, the Department has some accounts that are 2-year funds or no-year funds," State said.

"The Department will continue as many normal operations as possible. Operating status and available funding will need to be monitored continuously and closely, and planning for a lapse in appropriations must be continued."

Transportation Department

Nearly half of the department's workers will be furloughed. The department said 20,518 out of 55,180 would be let go until appropriations are reauthorized.

Treasury Department

Thousands of Treasury workers were expected to stay home on Monday.

"Most employees who perform functions paid by appropriated funds are being furloughed," Treasury said in its shutdown plan.

For example, the IRS, which is gearing up for tax season, is set to furlough more than half of its workers. A plan released by Treasury said of the 80,565 IRS workers, just 43.5 percent would be retained, or about 35,000

Veterans Affairs

Most will keep working. The VA said that of its 377,000 workers, less than 16,000 will be furloughed.