[3] According to Art Glass Magazine, production controls at Bullseye's U.S. plant is more consistent than imported products, allowing it to fuse reliably.

[4] Bullseye Glass Company was founded in 1974 by Dan Schwoerer, Boyce Lundstrom, and Ray Ahlgren.

[5] In early 2016, high levels of the toxic heavy metals cadmium, arsenic and chromium were discovered in the vicinity of the company's plant in East Portland.

[6] After production with some of the heavy metals was voluntarily halted by Bullseye and others, their production of several colors of art glass was restricted.

[4] In fall of 2016, Bullseye completed installation of a baghouse emission control system that successfully reduced all emissions to levels required by state and federal regulations.