sand, island, wastewater, treatment, plant, employees, allen, perry, back, silvestre, ulep, chief, waste, water, disposal, division, walk, along, holding, tank, untreated, sewage, tim, robinson, stands, in, front, key, part, facility, egg, shaped, digester, that, as, sludge, recycling, process, shows, cake, treated, reused, fertilizer, large, bin, sits, this, not, coffee, employee, holds, cup, was, zapped, with, ultraviolet, light, sterilizing, it, mike, elhoff, cleans, uv, bulbs, are, kills, bacteria, from, raw, goes, into, burned, section, foul, air, duct, casualty, recent, fire, shut, down, operations, worker, operates, roadroller, near, referred, to, by, covered, black, tarps, cover, low-level, contaminated, soil, surrounded, grounds, prior, construction