These types of scales will sit out in an environment. They drive trucks on them, and basically snow, mud, dirt, you name it, can be on these devices. They are out of tolerance by that percentage for many reasons. Now, they're not out of tolerance by a huge amount. As I said, it's not 50% error, but it's 50% of tolerance from the small tolerance.
On June 3rd, 2010. See this statement in context.