Daniel L. Klein

All articles by Daniel L. Klein


Legionella Strikes Again In New York City

As we recently reported, New York City recently increased its enforcement of regulations for treating cooling towers, particularly given that the increased risk of legionella from cooling towers during the warmer summer months. Legionnaires’ disease is caused by pathogen known as legionella. Legionella is a water-borne bacteria, transmitted through aerosolized droplets of water, e.g., the mist or condensation by-products of HVAC cooling towers on top of buildings. While a relatively common bacteria, legionella, when not properly treated in a water system,
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Be Prepared: New York City Cooling Tower Enforcement Heats Up As Summer Approaches

It has been about three years since Legionnaires’ disease made national headlines associated with the cooling tower of the Opera House Hotel in the South Bronx.  Legionnaires’ disease is a serious type of pneumonia caused by a waterborne pathogen known as Legionella. It is contracted when susceptible individuals inhale water droplets or mist containing elevated levels of legionella bacteria. New York City has as many as 1,200 towers that are evaporative heat exchangers usually installed on the top of a building as part of its air conditioning system in which water
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