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Exams listed on the ISA website are administered by the PNW-ISA. Contact the PNW-ISA office at (503) 874-8263 or e-mail info@pnwisa.org for details.
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Certification >> ISA Certified Arborist Exams


Exams listed on the ISA website are administered by the PNW-ISA. Contact the PNW-ISA office at (503) 874-8263 or e-mail info@pnwisa.org for details.