Hello, Maria!
Up at the very top of this forum, there is a long, green box that says "Post attachment list". Click on it, and in the optional keyword box, put in 17025.
I was going to post a few of them for you, but there were a bunch of them. So, I think you can look through those attachments and find one you can use.
If you end up developing a new one, or whatever, please feel free to attach. I would like to see it! Also, please feel free to let us know your thoughts/opinions in any of the threads out there!
I hope you find your answers. Let us know if you have any additional questions.