<div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">2017-03-14 2:55 GMT+01:00 John Willis <span dir="ltr"><<a href="mailto:johnw@mac.com" target="_blank">johnw@mac.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I was unaware of a pollution angle.</blockquote></div><br><br>I get this both explicitly from a dictionary and from wikipedia as also implicitly from the osm wiki: "<span class="gmail-plainlinks" title="wikipedia:en:Brownfields">Brownfield</span> is a land scheduled for new development which was previously used for industrial purposes or some commercial uses." (naming former  "industrial" and "some commercial uses" implies potential pollution).<br><br></div><div class="gmail_extra">Cheers,<br></div><div class="gmail_extra">Martin<br></div></div>