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Old Hat Factory Site (OU-5)

Aerial view of Operable Unit 5, Old Hat Factory   The old hat factory (OU-5) on Wall St. and Maupin Avenue in the north part of New Haven. The site lies along the bluff overlooking the Missouri River and downtown New Haven. The facility opened as the Langenberg Hat Company in 1928. The company formed and shaped hats from stock materials manufactured at other locations. During peak production, the factory produced and shipped nearly 500,000 hats domestically and around the world each year (1). The facility closed in the late 1990s and the building is now vacant.
 According to the Missouri Department of Natural Resources (MDNR) there was no known PCE use or disposal at OU5. During sampling activities associated with other operable units PCE was detected during 2002 in a shallow bedrock monitoring well (BW-09A) on the east side of the building. The well is downslope of the hat factory building and down slope of a main sanitary sewer line serving nearly one-half of the city. The source of the PCE detected in monitoring well BW-09A is unknown because PCE has been detected in sanitary sewers at other locations in the city and apparent lack of use of PCE at the facility. Operable Unit OU5 is within 1,000 ft of OU1 and contaminated city wells W1 and W2.
  The USEPA will begin a focused remedial investigation of OU5 in 2003.
Photo link will provide an expanded view.    
    (1) Menke, David, 1997, New Haven: The Early Years, A pictorial history 1836-1956: Leader Publishing Company, New Haven, Missouri 63068.


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OU5 Remedial Investigation Flow Chart


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