The cutbacks by energy companies likely contributed to a drop in the production of industrial machinery, which fell 0.9 percent, its second straight decline.
The incinerator exposed those nearby to chemicals that can cause cancer, miscarriages and early death, according to the Environmental Protection Agency.
The announcement comes as the U.S. territory pushes to diversity its manufacturing sector amid an economic crisis that has seen several plants close in recent years.
The fire was apparently ignited by sparks from welding work at the factory's main entrance door, triggering an explosion of the chemicals used to make slippers.
The job loss represents 37 percent of the company's workforce.
Taylor Energy Company, which owned the platform and a cluster of oil wells, has played down the extent and environmental impact of the leak.
The Wisconsin State Journal reports the disinfectant is not approved for use in poultry processing.
The U.S. Senate on Thursday voted to move forward with legislation that would give the White House greater authority over new trade agreements.
The USGS analysis of 13 fracking wells in Pennsylvania's shale gas fields found surprising variation in the wells' levels of organic compounds and microbes.
The report from the American Chemistry Council argued that the increase in U.S. natural gas production due to fracking turned the market dramatically in favor of American producers even after considering the dramatic decline in oil prices in recent months.
U.S. officials deny any harm has been caused by the spraying and say there is more danger to people's health and the environment from the chemicals used to manufacture cocaine in clandestine labs.
A California scientific panel recommended that the state add bisphenol-A to its list of harmful chemicals that must be disclosed by companies.
Nearly three-quarters of surveyed manufacturers reported process improvements following cloud deployment, while just over 60 percent said product quality improved.
A recent report by British newspaper The Guardian said U.S. states awarded millions in oil company subsidies as their governors collected campaign donations tied to the energy industry.
The studies examined nearly 50 drinking water emergencies including pipeline ruptures, diesel spills and major chemical accidents, including the 2014 Freedom Industries chemical spill.