How long to wait until harvest after treating with Sevin?

I sprayed my garden for bugs with Sevin concentrate 4 days ago. I tried not to spray my herbs (cilantro, basil), but I think they may have been sprayed. (the leaves on my fruits and vegetables started getting eaten), The directions state waiting period before using vegetables and fruits, but not herbs. Does anyone have a recommendation on how long to wait before using my herbs?