All design, implementation and manufacturing has been carried out by students with two exceptions: Manufacturing of mechanical structure (carried out by department work shop in alu7075) and the raw non mounted PCBs.
Cedar Bayou is listed as being impaired for certain water quality issues, including bacteria, impaired macrobenthic communities, and PCBs and Dioxins in edible fish tissue.
During a period of around 36 years from 1935 to 1971, there were about five million pounds of PCBs produced and released.
Kaofin has also been found to contain heavy metals, PCBs, dioxins, PCP, and other byproducts of the paper manufacturing industry.
After General Electric dumped polychlorinated biphenyls (PCBs) in the Hudson River from 1947 through 1976, tomcod living in the river were found to have evolved an increased resistance to the compound's toxic effects.
Some early NES games, most commonly Gyromite, are actually 60-pin Famicom PCBs and ROMs with a built-in converter.
Saturn's boards are primarily multi-layered PCBs used in diverse industries such as Power Supply, Military, Aerospace, Automotive, Medical, Telecommunications, and High-End Consumer Electronics Fine Line and Spacing Controlled Impedance Designs.
In November 2010, some residents of Kettleman City, California complained to the EPA about Waste Management's plan to double the size of its Kettleman Hills Hazardous Waste Facility, a local dump that has been connected to hazardous waste such as asbestos, pesticides, and PCBs.