I applied through an employee referral. I interviewed at Emerald Performance (Kalama, WA) in Aug 2015
Interview
3 HR phone interviews (I was out of state, which I believe is very uncommon for this company) that were very 'softball question' focused. I had an hour interview with 4 different engineers on site.
Interview questions [1]
Question 1
described a distillation problem and asked what I thought could be the issue