PPT-Chlorine Residual Testing:

The DPD Colorimetric Method Quality Assurance and Quality Control Dale Walker City of Olean Senior Water Plant Operator Chlorine Residual Testing Overview of Presentation Part 1 Quality Assurance and Quality Control. The presence of free residual chlorine in drinking water is correlated with the absence of disease causing organisms and thus is a measure of the potability of water This Fact Sheet describes 1 The pro cesses that occur when chlorine is added to wat 7. understand that the . first . process for manufacturing alkali from salt and limestone using coal . as . a fuel caused pollution by releasing large volumes of an acid gas (hydrogen chloride) . and creating . 1). 2). 3). 4). Group 7. Explain the trend in boiling points of Cl. 2. , . Br. 2. , and I. 2. in terms of Van . der. Waals’ forces.. Explain reactivity of the halides with reference to negative ions, atomic size, shielding and nuclear attraction. Objectives of PresentationIntroduce the Chlorine Institute and CHLOREP Provide overview of the chemical properties, uses and hazards of chlorineProvide understanding of how to identify chlorine cylind CAS# 7782-50-5. UN/NA# 1017. Steven Santos. City of Long Beach . Dept. of Health & Human Services – Environmental Health Hazmat. Topics. What is Chlorine?. Identification. Risk & Exposure. Symptoms. . Considering Chloramines and Free Chlorine. Harris County Wastewater Symposium. Wastewater Treatment Plants & Bacteria: Strategies for Compliance. David Munn, PE. April 26, 2011. Chlorination Chemistry; . Demonstration Testing . to Optimize Treatment Plant . Performance. John Civardi, PE – Hatch Mott MacDonald. September 19, 2013. Outline. Background of Aqua . Shenango. Water Treatment Plant. Operational Issues and Treatability Study. It kills stuff ( ). Residual. It’s the law… But is it a good idea?. Chlorine is the only available disinfectant that provides a residual. Recontamination. Does a chlorine residual provide protection against recontamination?. A guide to strengthening chlorination practices in . small- to medium-sized . water . supplies. Part 1. Chlorination Principles. What is chlorination?. Properties of chlorine. Principles of drinking-water chlorination. Ongoing disease investigation. Legionnaires Disease. About one out of every 10 people who get sick from Legionnaires’ disease will die. . . Legionella. is found naturally in fresh water environments, like lakes . Event. July 19-21. Iron & Manganese Optimization . Presented by:. Clayton Nicolardi, P.E.. Presentation Outline. Standards/Goals. Sources. Basic Chemistry. Treatment Strategies. Removal. Sequestration. Disinfectants widely used in water treatment are oxidizing agents such as chlorine. . Being a strong oxidant chlorine will react with the . oxidizable. materials present in water before it has a chance to act as a disinfectant. . DWQR Risk Assessment Training. 2018. Overview. . Usage. . . Usage. . . Key Points to Watch For. . Key Points to Watch For. . Questions. . TCL1. Could . undisinfected. water pass into supply? (Has the chlorine dosing system appropriate alarms or an automatic shutdown arrangement?). Operator Training. Workbook. Not just a copy of slides. More information/complete sentences for your reference later. PowerPoint references workbook page number in lower left. Activities throughout course:.