CPO Exam Guide QUESTIONS WITH COMPLETE SOLUTIONS

reducing hazards correct answer: prevention is the best option water contamination correct answer: 1. fecal related (crypto, giardia, shigella, e coli, adenovirus, hepatitis A) 2. non-fecal (pseudomonas aeruginosa, swimmer's ear, legionella pneumophila, molluspioxvirus, planter's warts, athlete's foot) CDC correct answer: Center for Disease Control Prevention solid fecal incident correct answer: remove people, pH between 7.2-7.5, raise chlorine 2.0 ppm, 30 minute break diarrhea correct answer: remove people, pH 7.2-7.5, raise chlorine to 20.0 ppm (12.75 hrs), after backwash filters, raise chlorine to normal, then re-open pool handling contaminated material correct answer: wear gloves, remove excess, disinfect all surfaces, follow guidelines of disposal & wash hands prevention practices correct answer: 1. maintain proper disinfectant levels at all times 2. have kids use bathroom before 3. swimmer's shower before swimming 4. prohibit swimming with wounds/sores 5. work with local health department disinfection correct answer: aka sanitation=destroying microorganisms; consider chemical safety & storage space when considering a disinfectant oxidation correct answer: process of ch