Although Claes is a Q geek, he is correct in that the key is your environmental aspects. What aspects are associated with you incoming materials (including packaging, trucking aspects, etc.)? What aspects are associated with your outgoing materials (once again include packaging - even the packaging that your customer has to deal with, transportation , etc.). A checklist might be useful, but by no means is required.
Your aspects (think of things you move, use, store, dispose of or spill) determine your objectives, which determine your targets, which determine your programs, by which your control your aspects.
Remember you need to consider those things you have control over, or can be expected to have an influence on.