Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Ozone concentrations for (a) 3-D printer using natural ABS with the printer cover on and off, (b) 3-D printer using true red PLA, (c) HP2055dn laser printer using monochrome toner (80 pages), and (d) HP 2600 laser printer using monochrome (80 pages) toner. Numbers for each vertical line denote: 0 = begin baseplate heating (ABS only), 1 = begin print job, and 2 = end print job.
