Fig. 11From: Impacts to agriculture and critical infrastructure in Argentina after ashfall from the 2011 eruption of the Cordón Caulle volcanic complex: an assessment of published damage and function thresholdsBariloche wastewater treatment system a biological reactor showing some Nocardial foaming; b and c sewer lines and junctions inundated with ash; d ash-accelerated pitting and thinning damage to sewage pump impellerBack to article page