ELIZABETHTON, TN (WJHL) – Elizabethton Fire officials are still trying to determine what chemical is in an unearth concrete vault. The vault was found on Monday while a construction crew was digging basements for upcoming apartments along Stonewall Jackson Drive.
Chief Barry Carrier said that they believe the chemical is Carbon Disulfide which is highly flammable and can be explosive.
Crews covered the vault with dirt hoping to extinguish the fire, but when they uncovered it the fire came back.
Tuesday, officials said that they will let the chemical burn off before proceeding, also they have found a second vault near the site.
No details have been released about what is contained in the second vault.
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