Stops and supply lines to check out OK with no leaks. Drainage connections check out OK with no leaks. No leaking below disposer with a possible bad internal seal. No leaks noted underneath the dishwasher With discharging into standpipe, and no back up out to stand pipe. Fill both sink compartments and discharge to check for possible back up through stand pipe in cabinet. No back up noted and drainage is good. Noted moist sheet rock around Studer vent recessed area and noted moist cabinet backing just underneath the countertop at the backside. Noted standing water around base of pull out style kitchen faucet with faucet not in use. Hose connection to head is tight and not leaking. Faucet is defective internally and needs to be replaced To eliminate constant water leaking at the base without being in use and possibly leaking back behind the open grout areas behind the faucet and down to the Studer vent area as noted above. Put excess water on the deck countertop at these open grout