Section 250-RICR-70-00-1.6 - Basis for Examination and Passing GradeA. The Standard Arborist examination shall be based on the latest standards for arboriculture as promulgated by the International Society of Arboriculture.B. The Limited Utility Arborist examination shall be based on the latest standards for utility arboriculture as recognized by the International Society of Arboriculture.C. To pass the examination, each applicant must answer at least seventy percent (70%) of the questions correctly.D. The Department may, in its discretion, grant an applicant's request to receive an oral examination if an applicant feels (s)he is not able to pass a written examination.E. At the Department's discretion, an exemption from the examination process may be granted upon proof of proficiency based on evidence of examination by an agency from another state or examination by the International Society of Arboriculture (ISA).250 R.I. Code R. 250-RICR-70-00-1.6