You can try but you'll lose.
Do you have a air gap installed before your main drain? If not, thats whay you cannot use it for produce or rinsing any food. Bacteria from food that goes down the drain can work its way back up into your sinks.
I just saved you a bitch slappin. :)
Pitmaster @ Lockharts BBQ
I cook the best brisket north of Dallas. Get over it.
Northern midwest director for OBR