After 17 days, Alberton is 'open for business', but many residents remain wary of returning to a home they fear is contaminated and threatens their health.

Pictured: Tank Car 3, battered and finally empty.

While officials still struggle with Tank Car 3 of liquid chlorine, they move forward with allowing residents to return home, despite a promise that the car would be completely empty.

Pictured: aerial view of the wreck site

Officials declare two of the four criteria to allow reentry satisfied, with a 100% certainty that no chlorinated compounds migrated offsite, and the claim that the white dust was not harmful, even though officials say they cannot find any white dust to test.

Pictured: Workers in SCBA near Tank 3 of chlorine.

Untrusting of official reassurances for long-term health and for the safety of the Alberton area, and angry with attempts to shut down public questions at meetings, some residents band together to form ACE, the Alberton Community Evacuees.

Pictured: the infamous white dust on the Kryszko family VCR, a dust Olympus claimed they couldn't find to sample.

The Techs struggle again and again to patch the leaking chlorine car, even as a big spike causes Forward Ops to evacuate. Meanwhile, officials at the evacuee meetings hold a vote on whether to allow public questions.

Pictured: Evacuees vote NO on allowing public questions.

Health officials consider the criteria for allowing eventual reentry for residents, and decide that hypersensitivity is not a concern.

Pictured: the leaking chlorine tank and its leaky patch.

Following the news that chlorinated chemicals were created in the mixing of chlorine and the potassium cresylate, over a week after the spill, the techs begin to tackle how to patch Car three, which continues to leak deadly chlorine gas.

Pictured: Glen Giles gives her testimony at an evacuee meeting, as Lucinda Hodges looks on.

Chemist Garon Smith and health officials determine the nature of chlorinated chemicals created in the mixing of chlorine and the potassium cresylate. This unwelcome news adds a new layer of concern for spill victims worried about their health and safety.

Pictured: chlorinated compounds found by Smith.