Boy Scout Ethan Athey, 12, of Paso Robles measures pH levels in a sampling of water from a stretch of the Salinas River near Curbaril Avenue in Atascadero.
Courtesy photo by David Athey of Paso Robles
Boy Scout Ethan Athey, 12, of Paso Robles measures pH levels in a sampling of water from a stretch of the Salinas River near Curbaril Avenue in Atascadero. Courtesy photo by David Athey of Paso Robles
Boy Scout Ethan Athey, 12, of Paso Robles measures pH levels in a sampling of water from a stretch of the Salinas River near Curbaril Avenue in Atascadero. Courtesy photo by David Athey of Paso Robles

SLO county volunteers monitor sanctuary quality

May 11, 2011 09:41 PM

UPDATED May 11, 2011 09:47 PM