Counting in Blackjack using Uston APC
The above rules are good, but there are a couple of things you can do to improve your odds.

With a total of hard 16, against a dealer's T, it is very close whether you should stand or hit. You should hit if the count is at all negative, because you will make a winning hand often enough to compensate for the times that both you and dealer would have busted. 

With a hard 13 against a dealer upcard of 2, you should hit if the running count is -1 or lower. Dealer is a favorite to improve, and with a low running count, you need to "keep up."