RT Journal Article SR Electronic T1 Certification Program of the Penn-Del Chapter JF Arboriculture & Urban Forestry (AUF) JO JOA FD International Society of Arboriculture SP 147 OP 148 DO 10.48044/jauf.1985.033 VO 11 IS 5 A1 John B. Ward YR 1985 UL http://auf.isa-arbor.com/content/11/5/147.abstract AB The Certification Program of the Penn-Del Chapter is called Certified Arborists of Pennsylvania & Delaware (CAPD). A candidate must fulfill basic requirements and pass a series of three examinations with a minimum grade of 75. The examinations include written, oral and field identification.