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1.0 INTRODUCTION Bryan A. Stirrat & Associates (BAS) was contracted by Allied Waste Industries (Allied) to conduct a field demonstration of Alternative Daily Cover (ADC) materials currently utilized at the Forward Landfill (FL) located in Stockton, California. The goal of the test program was to establish a relationship between weight and as- placed volume (density) of the ADC materials used at the site. This information will help regulators and site operators track usage of ADC and ensure compliance with California Code of Regulations, Title 27, Chapter 3, Subchapter 4, Article 1, Section 20690. Allied agreed to conduct this testing in coordination with the local Enforcement Agency, the San Joaquin County Environmental Health Department (LEA) and the California Integrated Waste Management Board (CIWMB). BAS conducted'an engineering pre=test on October 3, 2006 to work out logistical details in advance of the scheduled testing to be conducted with the LEA and CIWMB staff present on October 11 and 12, 2006. A narrative describing the pre- test is presented as Appendix A, and Figures 7 and 8 present the layout of the test plots, along with load counts and weights for ADC materials used. The test program was designed and directed by John Boucher and Eric Tjensvold of BAS. The performance of the test was observed by Robert McClellon of the LEA and Keith Kennedy of the CIWMB, and Lochlin Caffey of Allied, all of whom provided input to the design and operation of the test program. This report was written by Eric Tjensvold and reviewed by John Boucher and Lochlin Caffey. ADC materials tested during this program included processed or shredded greenwaste and treated auto shredder waste (TASW). Photographs were also taken during this program and are included in Appendix B. While not part of the program, Keith Kennedy of the CIWMB requested that a test plot be constructed for soil daily cover, and the results of that test are included here as well. The test was designed to provide as realistic a simulation of actual daily cover usage as possible. The test plots were laid out on municipal solid waste (MSW) surfaces placed by Forward's Caterpillar model D8 and D9 dozers and model 836 waste compactors. All equipment was run by the same operators who normally spread and compact the waste as well as place soil and ADC materials. BAS and Allied also instructed this staff to perform these activities as they would in normal operations. 1-1 J:\Allied\Forward\2006.0154 ADC Test\ADC Test Report\Draft Final ADC Test Report Sec t.doc