MN: Man ends up in ICU after attempting home improvement project - mold and/or toxins suspected

[Emily]

He was unconscious for 3 days - in ICU for a week. Weather patterns can allow volatile home improvement compounds to build up to high concentrations, even outside.

http://erstarnews.com/2013/08/03/tennis-elk-coach-ronning-recovering-from-mysterious-serious-illness/

Tennis: Elk coach Ronning recovering from mysterious, serious illness
By Bruce Strand
August 3, 2013 at 6:18 am
That day, Ronning was resealing a driveway that he installed five years ago. He had resealed an older driveway several times without incident. Figuring he might as well do a complete job while he was at it, he tore out the old caulking on the cement apron at the end of driveway.

He suddenly got dizzy, went inside to lay down for 20 minutes and felt better. He completed the driveway job and did some yard work, but after a few hours, felt pain and swelling in his jaw.

[snip]

Apparently mold, or a toxic substance in the caulking, or a combination of the two, caused the serious reaction, Ronning said, adding, ?We may never be sure.?...