BEEF SELLERS REMAIN SANGUINE IN FACE OF A SCARE.(BUSINESS)

Byline: ALAN WECHSLER Business writer

As officials try to determine the source of what could be the nation's first case of mad cow disease, local meat sellers and restaurateurs said Wednesday they didn't think the news would hurt their business -- or their customers.

``I think it's a nonissue,'' said Mona Golub, spokeswoman for Golub Corp, the Rotterdam-based parent of the 105-store Price Chopper supermarkets chain. The U.S. Department of Agriculture ``has given us no reason to believe this one, isolated incident impacts the meat supply in any way.''

On Tuesday, the USDA said a single slaughtered cow from Washington state was believed diagnosed with …