<blockquote>

I have through my “skill and judgement” interpreted where to locate the recycling centres, as they locations don’t appear on either the mapping or the original website.

So the locations are not derived…

Or are they? Some very interesting debate on the nature of derivative works based on maps and satellite images. Ed Parsons was formerly the CTO of the Ordnance Survey and is now at Google so you'd think he'd know, but it seems that the real answer is... it depends.