BUGS Subsidiary Prepares Cost Estimates for New Work in Mexico.

CARLSBAD, Calif. -- Sub-Surface Waste Management of Delaware, Inc. (OTCBB:SSWM) announced that senior engineers from its Mexico subsidiary company Environmental Tec International, S.A. de C.V. (ETI) and representatives from its strategic alliance and teaming partner, the Zaragoza Graduate School of Studies of the National Autonomous University of Mexico (UNAM), have been asked by the Mexican state oil corporation, Petroleos Mexicanos (Pemex), to submit detailed cost estimate engineering proposals to address urgent environmental compliance and remediation needs at Pemex operating facilities. The ETI/UNAM engineering team recently completed site visits to gather data for submitting their report as soon as possible in order that work can be commenced.

Representatives of ETI will be joining Governor Mario Marin Torres in his scheduled meeting Monday, September 19 with Pemex's President Mr. Luis Ramirez Corzo to discuss proposed remediation activities and a financing plan to address recent and historic releases of petroleum products from pipelines and bulk terminal facilities in the State of Puebla.

As previously reported, ETI will be responsible for restoration activities on contaminated areas including farming lands, rivers and water reservoirs in Puebla working through Governor Mario Marin Torres and his Secretary for the Ministry of Environment.

About Sub-Surface Waste Management

Sub-Surface Waste Management Inc. is a majority owned subsidiary of U.S. Microbics, Inc. (OTCBB:BUGS) and provides comprehensive civil and environmental engineering project management services including specialists to design, permit, build and operate environmental waste clean-up treatment systems using conventional, biological and filtration technologies. SSWM is capitalizing on its patented technologies registered in Mexico with SEMARNAT, a Federal regulatory agency overseeing environmental compliance nationwide.

The information contained in this press release includes forward-looking statements. Forward-looking statements usually contain the words "estimate," "anticipate," "believe," "expect," or similar expressions that involve risks and uncertainties. These risks and uncertainties include the Company's status as a startup company with uncertain profitability, need for significant capital, uncertainty concerning market acceptance of its products, competition, limited service and manufacturing facilities, dependence on technological developments and protection of its intellectual property. The Company's actual results could differ materially from those discussed herein. Factors that could cause or contribute to such differences are discussed more fully in the "Risk Factors," "Management's Discussion and Analysis or Plan of Operation" and other sections of the Company's Form 10-KSB and other publicly available information regarding the Company on file with the Securities and Exchange Commission. The Company will provide you with copies of this information upon request.