Specifications include, but are not limited to: CHERT appointees shall, as individual contractors to the County, review gravel mining proposals submitted each year by gravel operators as part of a multi-agency review process. CHERT shall advise gravel operators and regulatory agencies on mining methods and volumes that minimize adverse impacts to riparian plant and animal species, their habitats, and river infrastructure. CHERT shall be responsible for the following duties: (1) For each extraction year, CHERT shall furnish the County annual cost estimates for services in the Humboldt County gravel mining management program no later than January 30th. (2) Assume the duties of the Scientific Design and Review Committee for all gravel extraction operations on the Mad River that are covered by the Final Program EIR on Gravel Removal from Lower Mad River (certified May 31, 1994) and the Supplemental Programmatic EIR for Gravel Extraction on the Lower Mad River (certified December 16, 2014). (3) Perform CHERT duties as described in the Interim Monitoring Program for the Lower Eel and Van Duzen Rivers adopted July 2, 1996, and amended April 1, 1997. (4) Perform CHERT duties as described in the U.S. Army Corps of Engineers Letter of Permission Procedure adopted September 18, 2015, and as described in any future amendments. (5) Prepare an annual post-extraction compliance report as required in the Final Program EIR on Gravel Removal from the Lower Mad River certified on May 31, 1994, and a post-extraction report on the Lower Eel and Van Duzen Rivers as required in the Interim Monitoring Program and Adaptive Management Practices for Gravel Removal from the Lower Eel and Van Duzen Rivers adopted July 2, 1996, and revised April 1, 2007. (6) Draft post-extraction reports shall be submitted on or before February 1st of each year to the County Planning Director, California Department of Fish and Wildlife, U.S. Army Corps of Engineers, and National Marine Fisheries Service. The draft report shall be made available for public comment. If no comments are received, then the draft becomes the final report. If comments are received, CHERT shall draft responses and submit these along with a final report to the County for review and posting to the County’s SMARA web page. (7) Other gravel-mining related tasks that are not part of the annual review process at the direction of the Department of Planning and Building.