Specifications include, but are not limited to: The chemical root control agent shall be Razorooter™ II or equivalent product that is approved by the Owner in writing prior to the Bid Opening. The chemical root control agent shall be registered with the EPA and the CTDEEP, prior to the bid opening, and shall be labeled for use in sewers to control tree roots. The chemical Root control agent shall contain an active ingredient for controlling sewer roots and deterring their re-growth. There shall also be a surfactant system to deliver the active ingredient (herbicide) to the target root tissue. a. Active ingredient: Shall be a Category “E” compound, the most favorable rating attainable on the U.S. EPA’s chronic exposure toxicological rating scale. Shall not be considered a carcinogen, teratogen, mutagen, or oncogene, by the United States Environmental Protection Agency. Shall carry a “signal word” assigned by the U.S. EPA of either “Warning” or “Caution” on the product label. Pesticides carrying the signal word “Danger” will not be accepted. Shall be non-volatile in order to minimize exposure to collections system workers, treatment plant operators and homeowners through inhalation. Products containing the active ingredient(s) metam-sodium or copper sulfate are not allowed.