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• <br />• <br />0 <br />Quarterly Progress Report — First Quarter 2015 <br />Austin Unit Forward Landfill Page 3 <br />According to SCS Field Services, Inc., the landfill gas collection and destruction system experienced <br />the following periods of downtime during the first quarter 2015: <br />• February 8,11:21 a.m. —February 9,1:53 p.m.: Flare A-2 shutdown during remote restart. <br />• March 30, 8:23 a.m. — April 3, 1:10 p.m.: Flare A-2 shut down due to power failure resulting <br />from off-site issues. <br />Based on information provided by SCS Field Services, Inc., the landfill gas extraction and destruction <br />system operated at approximately 1,680 to 2,964 cubic feet per minute during the first quarter 2015. <br />This is equivalent to about 2,419,200 to 4,268,160 cubic feet per day. Based on the data presented in <br />the June 30, 2014 Annual Compliance Emissions Test Report prepared by Blue Sky Environmental, <br />Inc., Flare A-2 destroys an average of 37.2 lbs/hour of non -methane organics, and back-up Flare A-1 <br />destroys an average of 15.2 lbs/hour of non -methane organics. Non -methane organics are considered <br />equivalent to VOCs. During the period of January 1 through March 31, 2015, Flare A-2 operated <br />approximately 2,033 hours out of a possible 2,160 hours (94.1% operational rate). At the average VOC <br />destruction rate provided in the Source Test Report, Flare A-2 destroyed approximately 75,628 pounds <br />of VOCs during the first quarter 2015. <br />Attached is a copy of monitoring results for individual landfill gas extraction points during the first <br />quarter 2015 as provided by SCS Field Services, Inc. <br />If you have any questions, please contact Mr. Don Litchfield at (209) 982-4298. <br />Sincerely, <br />HERST & ASSOCIATES, INC. <br />Ward Herst, PG, HG <br />Managing Partner <br />cc: Erin Fanning — Forward, Inc. <br />Don Litchfield — Forward, Inc. <br />Bill Lopez — Geo -Logic Associates <br />Victoria Warren — Republic Services <br />Andrew Wyatt <br />Senior Environmental Scientist <br />Attachments: Del -Tech First Quarter 2015 Groundwater Treatment System Monitoring Logs <br />SCS Field Services First Quarter 2015 Landfill Gas Extraction Point Monitoring <br />Results <br />