I know when they come out and do stuff for us to winterize our lawn, they put up Chem-Lawn flagthingies - and tell us to keep the dogs off the lawn for 24 hours.
So if you can take your dogs for a walk instead of letting them out in the yard, then it should be okay
![Smilie](/tfp/images/smilies/smile.gif)
But you can prob. ask ChemLawn