DDOT's statement on the criteria of removing a dangerous tree:

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The standards that Urban Forestry Administration follows is the same as all arborists across the entire world, literally. The International Society of Arboriculture is the only organization that is viewed internationally as the leaders in our industry. Every arborist we have is certified through ISA to be an arborist and we always follow ISA and ANSI standards (as determined appropriate by ISA). Most of our arborists are also Tree Risk Assessor Certified, which is highly regarded as the most appropriate certification to assess a tree’s risk. The following is taken straight from ISA’s website.

To earn an ISA Certified Arborist® credential, you must be trained and knowledgeable in all aspects of arboriculture. ISA Certified Arborist® have met all requirements to be eligible for the exam, which includes three or more years of full-time, eligible, practical work experience in arboriculture and/or a degree in the field of arboriculture, horticulture, landscape architecture, or forestry from a regionally accredited educational institute. This certification covers a large number of topics giving the candidates flexibility in the arboricultural profession. A code of ethics for ISA Certified Arborists® strengthens the credibility and reliability of the work force. This certification is accredited by the American National Standards Institute, meeting and exceeding ISO 17024.

DDOT's statement on requests to examine trees near the Purity Pentacostal Deliverance Center:

The District has experienced unprecedented storms that have effected trees in DC as well as throughout the region. We are working hard to resolve the issues these natural events have created. These storms have been very powerful and not the normal pattern the region has experienced before. Since June 22nd we have continued to work to resolve all associated issues with the three events that have occurred following the storms.