Industry ratings watchdog the Media Rating Council has withdrawn accreditation for Arbitron's portable people meter ratings reports in five markets: Cleveland, Portland OR, Riverside-San Bernardino, Salt Lake City-Ogden-Provo, and Tampa-St. Petersburg-Clearwater.
Arbitron said nine PPM markets remain accredited by MRC: Atlanta, Cincinnati, Houston (DMA), Kansas City, Milwaukee-Racine, Minneapolis-St. Paul, Philadelphia, Phoenix, and St. Louis.
Arbitron's 34 other PPM markets continue to be unaccredited by the MRC.
Arbitron did not cite a reason for the MRC's withdrawal, but said it would continue to work with the industry's self-regulatory body to resolve its concerns for those and the other unaccredited markets.
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