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Falmouth, Pennsylvania

Census-designated places in Lancaster County, PennsylvaniaCensus-designated places in PennsylvaniaUnincorporated communities in Lancaster County, PennsylvaniaUnincorporated communities in Pennsylvania
Falmouth, Pennsylvania (6287774790)
Falmouth, Pennsylvania (6287774790)

Falmouth is an unincorporated community and census-designated place (CDP) in Conoy Township, Lancaster County, Pennsylvania, United States. As of the 2010 census the population was 420.

Excerpt from the Wikipedia article Falmouth, Pennsylvania (License: CC BY-SA 3.0, Authors, Images).

Falmouth, Pennsylvania
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Wikipedia: Falmouth, PennsylvaniaContinue reading on Wikipedia

Geographical coordinates (GPS)

Latitude Longitude
N 40.129444444444 ° E -76.713888888889 °
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Address

Conoy Township Municipal Building

Turnpike Road
17022
Pennsylvania, United States
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Falmouth, Pennsylvania (6287774790)
Falmouth, Pennsylvania (6287774790)
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Three Mile Island accident
Three Mile Island accident

The Three Mile Island accident was a partial nuclear meltdown of the Unit 2 reactor (TMI-2) of the Three Mile Island Nuclear Generating Station on the Susquehanna River in Londonderry Township, near the capital city of Harrisburg, Pennsylvania. The reactor accident began at 4:00 a.m. on March 28, 1979, and released radioactive gases and radioactive iodine into the environment. It is the worst accident in U.S. commercial nuclear power plant history. On the seven-point logarithmic International Nuclear Event Scale, the TMI-2 reactor accident is rated Level 5, an "Accident with Wider Consequences".The accident began with failures in the non-nuclear secondary system followed by a stuck-open pilot-operated relief valve (PORV) in the primary system that allowed large amounts of water to escape from the pressurized isolated coolant loop. The mechanical failures were compounded by the initial failure of plant operators to recognize the situation as a loss-of-coolant accident (LOCA). TMI training and operating procedures left operators and management ill-prepared for the deteriorating situation caused by the LOCA. During the accident, those inadequacies were compounded by design flaws, such as poor control design, the use of multiple, similar alarms, and a failure of the equipment to clearly indicate either the coolant-inventory level or the position of the stuck-open PORV.The accident crystallized anti-nuclear safety concerns among activists and the general public, and led to new regulations for the nuclear industry. It accelerated the decline of efforts to build new reactors.Anti-nuclear movement activists expressed worries about regional health effects from the accident. Some epidemiological studies analyzing the rate of cancer in and around the area since the accident did determine that there was a statistically significant increase in the rate of cancer, while other studies did not. Due to the nature of such studies, a causal connection linking the accident with cancer is difficult to prove.Cleanup at TMI-2 started in August 1979 and officially ended in December 1993, with a total cost of about $1 billion (equivalent to $2 billion in 2022). TMI-1 was restarted in 1985, then retired in 2019 due to operating losses. Its decommissioning is expected to be complete in 2079 at an estimated cost of $1.2 billion.

Three Mile Island Nuclear Generating Station
Three Mile Island Nuclear Generating Station

Three Mile Island Nuclear Generating Station (commonly abbreviated as TMI) is a closed nuclear power plant on Three Mile Island in Londonderry Township, Dauphin County, Pennsylvania on Lake Frederic, a reservoir in the Susquehanna River just south of Harrisburg. It has two separate units, TMI-1 (owned by Constellation Energy) and TMI-2 (owned by EnergySolutions).The plant was the site of the most significant accident in United States commercial nuclear energy when, on March 28, 1979, TMI-2 suffered a partial meltdown. According to the Nuclear Regulatory Commission (NRC) report, the accident resulted in no deaths or injuries to plant workers or in nearby communities. Follow-up epidemiology studies did not find causality between the accident and any increase in cancers. One work-related death has occurred on-site during decommissioning.The reactor core of TMI-2 has since been removed from the site, but the site has not been fully decommissioned. In July 1998, Amergen Energy (now Exelon Generation) agreed to purchase TMI-1 from General Public Utilities for $100 million.The plant was originally built by General Public Utilities Corporation, later renamed GPU Incorporated. The plant was operated by Metropolitan Edison Company (Met-Ed), a subsidiary of the GPU Energy division. In 2001, GPU Inc. merged with FirstEnergy Corporation. On December 18, 2020 - FirstEnergy transferred Unit 2's license over to EnergySolutions' subsidiary TMI-2 Solutions after receiving approval from the NRC.Exelon was operating Unit 1 at a financial loss since 2015. In 2017 the company said it would consider ceasing operations at Unit 1 because of high costs unless there was action from the Pennsylvania government. Unit 1 officially shut down at noon on September 20, 2019.Unit 1 decommissioning is expected to be completed in 2079 and will cost $1.2 billion. Unit 2, which has been dormant since the accident in 1979, is expected to close in 2052.