He bought Green Noise record store in Portland, Oregon, in 2005 and then ran the label from there.
[3] Dirtnap originally focused on regional talent, releasing a number of local 7-inch singles and splits albums.
It has since expanded its focus, attracting attention in the early 2000s when it was releasing records by The Briefs, the Epoxies, and The Exploding Hearts.
[4] Other notable releases once Dirtnap expanded its focus include several records by groups such as The Marked Men from Denton, Texas and The Ergs!
In early 2007, Cheppaikode began a vinyl-only sub label called Green Noise, named after the record store, that retains the local focus Dirtnap used to have.