Spring House Estates resident Al Chamberlin initiated The Dresher Blood Program and has acted as overall coordinator for five blood drives (for three churches and a synagogue) each year for 23 years. The locations sponsor and recruit for the drives and rotate as bloodmobile hosts. Al has also coordinated eight blood drives at Spring House Estates.

There have been 111 blood drives so far with 9,000 pints of blood collected which has been processed into 27,000 blood components for more than 100 hospitals. At the 2016 annual meeting of the Penn-Jersey Red Cross Blood Program, Al was recognized as the outstanding Community Blood Drive Coordinator for his region which comprises of Philadelphia and the Pennsylvania counties around the city, plus all of New Jersey and Northern Delaware.