http://agathe.gr/overview/volunteer_application.html
Excavations in the Athenian Agora Volunteer Program Summer 2013 The American School of Classical Studies at Athens announces a program for volunteer excavators wishing to participate in the archaeological ... All tasks will be assigned in rotation, and volunteers are expected to participate in them all. Room and a modest allowance for board are provided for the time volunteers are working at the excavations. ... Fieldwork is in progress five days a week, Monday through Friday, from 7 a.m. to 3 p.m. with a 30-minute break at midmorning.