Additional factors found by OSHA included: Proximity of high-occupancy structures (control rooms) to hazardous operations Inadequate separation between buildings Crowded process equipment Insufficient separation between the reactors and the control room for emergency shutdown procedures. Quoting from a key OSHA document: "At the conclusion of the investigation (April 19, 1990), OSHA issued 566 willful and 9 serious violations with a combined total proposed penalty of $5,666,200 to Phillips Petroleum Company and 181 willful and 12 serious violations with a combined total proposed penalty of $729,600 to Fish Engineering and Construction, Inc., a maintenance contractor on the site." OSHA citations As a result of a settlement between OSHA and Phillips Petroleum Company, OSHA agreed to delete the willful characterization of the citations and Phillips Petroleum Company agreed to pay a $4 million fine and to institute process safety management procedures at HCC and the company's sister facilities at Sweeny, Texas; Borger, Texas; and Woods Cross, Utah. Facility today Today, the facility continues to manufacture polyethylene. This complex employs 450 workers for the production of speciality chemicals, including 150 operations and maintenance personnel. The facility experienced additional fatalities in 1999 and 2000. See also 1990 ARCO explosion Chevron Phillips List of industrial disasters References Explosions in 1989 1989 in Texas Industrial fires and explosions in the United States Chemical plant explosions Disasters in Texas Explosions in the United States Fires in Texas Pasadena, Texas Phillips 66 Urban fires in the United States October 1989 events in the United States 1989 disasters in the United States