News of SSWM

CARLSBAD, Calif.--(BUSINESS WIRE)--September 21, 2007--Bob Brehm, CEO of Sub-Surface Waste Management of Delaware, Inc. (OTCBB: SSWM - News), announced today that the company has successfully renewed its $1,000,000 working capital credit line with Pilgrim Bank for an additional one-year period during the FY 2008 fiscal year.

Brehm stated, "We are pleased to work with the professionals at Pilgrim Bank and a key shareholder who have extended our note for an additional year as we prepare for new business opportunities in the coming fiscal year. As we position SSWM for future acquisitions, we are making many changes to strengthen our balance sheet for future financing and favorable presentation of key financial ratios in consolidated financial statements with merger or acquired entities. The renewal of our working capital line is another step accomplished in our metamorphosis process."

About Sub-Surface Waste Management

Sub-Surface Waste Management of Delaware, Inc., a majority owned subsidiary of U.S. Microbics, Inc., (OTC-BB: BUGS), 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.

Investors and media contact Robert Brehm at 760/918-1860, ext. 102 or visit the website at www.subsurfacewastemanagement.com. To be on the email list for press releases please visit: http://www.bugsatwork.com/emailfax.htm.

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.

Contact:

Sub-Surface Waste Management of Delaware, Inc.
Robert Brehm, 760-918-1860 x102

www.subsurfacewastemanagement.com

Source: Sub-Surface Waste Management of Delaware, Inc.