Well it finally happened last night. One of the employee's at a big store I do fell in the parking lot last night. I knew it was going to get icey as soon as it got dark. I called the store at 5:00p.m. and they said the lot was fine. At 5:33p.m. they called me and said it was getting slippery. I arrived at the store at 5:55p.m. and it was a sheet of ice. Within 10 minutes I had the front of the store melting and continued salting the rest of the lot. I left at 6:45 and went home. Well at 9:30 some lady was going home and walked to her car at the very bottom end of the lot. It's big, around 6 or 7 acres. Anyway police, ambulance and so on. They took her to get checked out and the hospital released her and said she was fine.(we'll see). I have had this account for 6 maybe 7 years and this is the first time it happened that I know of. Ticks me off. I don't know if I missed a spot or a car moved that was there when I salted or if it re-froze. The manager told me don't worry about it there is always going to be slippery spots. They never wanted to salt "before it gets slippery" but we will now. Not that it would have mattered in this case.