According to the International Society of Arboriculture (ISA), the Proposed 2011 ANSI Z133.1-2006 Standard Revisions (American National Standard for Arboricultural Operations – Safety Requirements), developed by the Accredited Standards Committee Z133, are available for public review from February 18 through April 4, 2011. A copy of the draft standard may be obtained here, or by contacting Janet Huber at(217-355-9411, ext. 259). Comments must be submitted in writing (by email, if possible) and received at ISA Headquarters no later than April 4, 2011. Comments shall be specific to a particular section(s) within the standard, with a complete explanation of concerns and alternative language, if applicable.