 Bacteriological Analytical Manual Chapter 3: Aerobic Plate Count by the Food and Drug Administration (January 2026)

Primary FDA PDF, cover January2026 Edition; authors p.3 Guodong Zhang, Martine Ferguson, Robert J.Blodgett(ret.). SectionD, Calculating and Recording Counts, pp.6–8; one-plate example2.2a p.7 and Recording counts p.8: concentration is colony count divided by original-sample equivalent volume; clump/spreader interpretation and zero-count reporting. Search-engine title still says May2025, but current PDF cover/revision history establishes January2026. No universal countable-range rule asserted.