Eastman Chemical officials said in a news conference Wednesday evening that emissions released during an earlier explosion did not pose a risk to the public.

In Wednesday's conference, officials said crews are still analyzing and assessing what happened during the reported explosion earlier in the day.

Eastman Senior Vice President David Golden told media that emissions including carbon monoxide and hydrogen were released, but they did not pose a risk.

Earlier in the day, officials confirmed a precautionary shelter had been removed after it was deemed unnecessary.

"Eastman has removed the precautionary shelter in place advisory for most personnel at its Kingsport site. We’ve also removed the precautionary shelter in place for the surrounding community within a half-mile radius. Eastman’s near neighbors can resume all normal activities. We appreciate the cooperation from all our neighbors and community during this time. In an event like this, we take every precaution to ensure the safety of our employees and our site neighbors," the company wrote in a statement.

Emergency crews responded to reports of an explosion just after 10 a.m. at Eastman Chemical Company in Kingsport, according to

Tom Patton with the Kingsport Police Department said fire and EMS crews from Sullivan County were dispatched to the scene.

Officials with Eastman Chemical told WJHL no one was injured in the incident apparently caused by a process upset in the coal gasification area.

Kingsport City Schools and employees of Eastman Chemical were ordered to shelter in place. The shelter in place advisory was lifted later in the day for Eastman employees.

WJHL crews close to the situation said a portion of JB Dennis Road had previously been been blocked by Kingsport Police.

A spokesperson with the Tennessee Department of Environment and Conservation confirmed with News Channel 11’s Sydney Cameron that they were notified of the incident at Eastman and that they are closely monitoring the situation.

Here is the full statement from TDEC:

"TDEC has been notified of the incident at Eastman Chemical Company. We are closely monitoring the situation and working with local agencies to provide technical expertise as needed. All incident-related inquiries should be directed to the local EMA office at (423) 323-6912 or Eastman at this time.”

News Channel 11 obtained a copy of the Kingsport reverse 911 call, find it

.

Officials with Eastman Chemical released a statement to WJHL just before noon.

"Around 10:00 a.m., Eastman experienced a process upset in the coal gasification area of its Kingsport manufacturing site. The upset created a loud noise and a visible plume. No one was injured. In an excess of caution, our employees are currently sheltered in place as we are working to secure the area. Until more information is known, near neighbors are advised to do the same. That means to stay indoors, turn off your HVAC system. More information will be updated on eastman.com, the Eastman Careline 423-229-CARE and local media. We have reported the incident to the proper regulatory authorities."

No further details were immediately available.

This is a developing story. Updates will be posted here.