After evacuation orders eased Monday night for thousands of residents in Garden Grove, some residents who have been able to return home say it’s a relief after spending several days in a shelter – while others are still anxiously waiting for their turn to go home.

Officials have lifted all evacuation orders related to an overheating chemical tank in southern California, a day after a crack in the structure eliminated the risk of a catastrophic blast.

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Cal Fire crews were able to contain the Border 6 Fire after a few days of hard work, protecting the community of Jamul and preventing further spread of the 2600-acre blaze.

Southern California officials lifted the final evacuation orders for residents who live near a damaged chemical tank Tuesday. (AP Photo)

Some 50,000 residents in the densely populated area are under evacuation orders.

All evacuation orders were lifted Tuesday night after authorities confirmed that the threat of an explosion from a leaking chemical tank in Garden Grove was eliminated. Orange County Fire Authority said no threat of fire,

The blast risk has passed, but the damaged Garden Grove tank still poses concerns, keeping thousands displaced and officials on alert.

Orange County officials say about 16,000 residents remain evacuated from their homes.

Several businesses were impacted after Gilbert Fire & Rescue ordered a full evacuation of a building near Gilbert and Guadalupe roads earlier this week. Fire crews said it followed months of fire code concerns and a structural assessment that identified significant safety risks.

USA TODAY's Eric Lagatta explains why NASA lifted a brief shelter order on the ISS as crews assessed ongoing air leaks in the Russian segment.

Evacuations were briefly ordered in El Dorado County due to a grass fire on Wednesday evening, officials said.