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September 24, 2015
For Immediate Release  
Kevin M. Maynard
Director of Electric
Phone: (513) 785-7208  
Metering Malfunction Causes Gas Odor Reports
Hamilton, Ohio -  At approximately 6:00 p.m. on September 23, 2015, the City of Hamilton began receiving customer calls reporting a natural gas odor in the Fort Hamilton Hospital/Highland Park area.
The natural gas odor was caused by a metering malfunction at the City's natural gas delivery point on the Texas Eastern Transmission Company (TETCO) transportation pipeline. The metering malfunction caused greater than normal concentrations of the odorant mercaptan to be added to the City natural gas supply.
Natural gas is colorless and odorless. For safety purposes, mercaptan is added to natural gas to allow customers to detect natural gas leaks by the sense of smell. Because of the greater than normal concentration of odorant, customers were able to sense what appeared to be gas leaks when their water heaters and other appliances were operating normally and safely. The greater than normal odorant level doesn't present a safety concern.
The City expects odorant levels to return to normal today. In the meantime, the City encourages all customers who detect a natural gas odor to contact Customer Service at 513-785-7550 or by calling 911. Natural gas service technicians are following up on all natural gas odor reports to determine whether they are due to greater than normal odorant levels or if a natural gas leak has occurred.
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About Hamilton, OhioLocated on the Great Miami River in the heart of the Cincinnati-Dayton metroplex, Hamilton is a historically-significant city with approximately 63,000 residents. Home to Miami University Hamilton and the County Seat of Butler County, Hamilton is the area center for government, finance and industry. Known for its unparalleled art, cultural & recreational activities, Hamilton is continually expanding its quality of life offerings. An award winning community, Hamilton was the recipient of the 2010 Berkeley Springs International Water Tasting "Best Water in the World" award, the winner of the 2012 "Best of the Best" award by the Ohio Section of the American Water Works Association, the prestigious 2010 Public Gas System Achievement Award and four consecutive Reliable Public Power Provider (RP3) Platinum level awards. Additionally, the Hamilton City School District was named The National School District of Character for 2012. For more information, please visit