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U.S. Patent Office Issues New Patent for BUGS Carbon Treatment Technology

Friday, August 31, 2007

Biotechnology Has Many Advantages for Water and Wastewater Treatment

Carlsbad, CA -- Robert Brehm, CEO of U.S. Microbics, Inc. (OTCBB: BUGS) (BCN:615212), an innovative environmental products and services company, today announced it has been awarded U.S. Patent No. 7,258,792 for its Bio-GAC™ and BAC™ bio-recycling technology for spent activated carbon filtration media. This patent is an extension of the previous patent No. 6,905,603 granted last year and is in addition to patents No. 5,334,533 and 5,039,415 previously issued.

The invention relates generally to treatment of granular activated charcoal (GAC) filtration systems and more particularly it concerns use of micro-organisms for removal of contaminating hydrocarbons including BTEX, MTBE, chlorinated solvents, and volatile and semi-volatile organic compounds from such systems. An important advantage of this patented method and its associated system over traditional GAC treatment of water is that the system is very effective resulting in typical cost saving of up to fifty percent and elimination of the need for carbon roasting facilities to recycle GAC or landfill expenses for disposal of GAC.

The patented system can be used for treatment of water, wastewater, and impacted groundwater subject to the Toxic Substances Control Act (TSCA); Clean Air Act (CAA); Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA); the Resource Conservation and Recovery Act (RCRA) and the Clean-water Act (CWA) including, but not limited to the equivalent state and local requirements. The typical industries with potential beneficial use are: Local potable water treatment companies, boards, districts, oil and gas production, transportation, pipeline, bulking, refining, distribution, retail and gas stations, Commercial and industrial facilities with waste water production, and/or NPDES permit requirements to treat facility discharges, Chemical and petrochemical manufacturing facilities and Groundwater remediation sites.

Bob Brehm, CEO, stated, "Once again our technical staff has created a unique, patented technology which can help clean up toxic contamination. We will be seeking technology licensees associated with carbon filtration media systems for vapor and liquid phase contamination treatment. Today, forces of change within the environmental cleanup industry are recognizing the need for biological solutions and bio-recycling versus conventional thermal treatment or landfill disposal and our patented process is an ideal environmentally friendly and cost effective alternative often requiring no facility permit changes. Interested parties should contact me directly and our technical engineering staff can help determine the applicability of the technology to meet particular requirements."

Additional information about Bio-GAC™ and actual field results are available at: in the Project Fact Sheets and Additional Information sections.

About U.S. Microbics Inc.

U.S. Microbics is a business development and holding company that acquires, develops and deploys innovative environmental technologies.

For more information on the company, contact Robert Brehm at 760-918-1860 x102 or visit the website at To be on the email list for press releases please visit:

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.

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