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Denka timeline
Created by
Jeff Nowak
⟶ Updated 7 Feb 2019 ⟶
List of edits
Timelines by
Jeff Nowak
:
2 Nov 2018
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Clergy sex abuse timeline
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Events
Chemical company DuPont Performance Polymers invents neoprene ...
DuPont opens a chemical plant in LaPlace.
DuPont begins producing chloroprene and neoprene at the LaPlace plant.
The EPA says DuPont violated the Clean Water Act ...
The EPA seeks a $31,800 civil penalty from DuPont ...
EPA cites DuPont for violating the Clean Drinking Water Act at LaPlace location.
A DuPont facility in Rubbertown, an industrial area in Louisville, Kentucky, closes its doors ...
The EPA for the first time categorizes chloroprene as a likely carcinogen.'
EPA conducts the most recent National Air Toxic Assessment ...
DuPont becomes the largest emitter of chloroprene into the air in the United States...
DuPont sells the LaPlace chemical plant to a new company...
EPA makes the 2011 National Air Toxic Assessment public...
EPA visits the Denka facility to gather more information about chloroprene production at the plant and to understand what air pollution controls are in place ...
The EPA orders DuPont to pay $37,500 in in civil fines ...
Investigators send a draft report to the EPA's regional office.
Denka says it will contest the draft report...
DEQ signs a consent decree with Denka ...
The EPA makes public the draft report outlining more than 50 potential Clean Air Act violations at the plant.
Denka challenges the EPA’s risk-based assessment of chloroprene ...
Thirteen St. John residents sue Denka and duPont ...
Layers representing the 13 plaintiffs in a Denka lawsuit ask the EPA...
Denka finishes a four-stage retrofitting, outfitting its chloroprene facility ...
EPA refuses to reclassify chloroprene, despite Denka’s request ...
Federal judge in New Orleans denies class-action status for lawsuit...
St. John School Board officials say they're "joining forces" with a local activist group ...
Lydia Gerard, originally among 13 plaintiffs who filed suit against Denka in 2017, branches off to file another suit in state court...
EPA’s monitoring data show levels of air pollution far above federal recommendations ...
Louisiana’s state health officer tells St. John council that chloroprene levels in the parish should reach federal recommendation.
Another 85 residents, including lead plantiff Donna C. Jackson, file a petition against Denka and duPont for damages.
Another 1,000 people, including lead plaintiff Leatrice W. Arlie, file a lawsuit against Denka and duPont for damages.
Another 2,171 people, including lead plaintiff and councilmember Larry E. Sorapuru, Jr., file a lawsuit against Denka and duPont for damages.
St. John residents in lawsuit filed against Denka in 2017 amend filing to cite specific health problems ...
Two more lawsuits are filed against Denka and duPont...
The families of 20 children and young adults file a wrongful death lawsuit against Denka and two state agencies ...
The parent of a student at Fifth Ward Elementary School in Reserve files a lawsuit against the St. John school board...
