Talk:Acid mine drainage

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[edit] Update

I've noticed that quite a few of the links are out of date or no longer exist. Could someone fix this? —Preceding unsigned comment added by Flan318 (talk • contribs) 18:51, August 26, 2007 (UTC)

A pH of -2? can someone verify this?--Deelkar 02:42, 17 Nov 2004 (UTC)

Yes. There is no theoretical limit on pH in eitehr direction. I did aparently have the number wrong. It looks like -3.6 was the actual record low.

http://ca.water.usgs.gov/water_quality/acid/

Also see Edwards et al Chemical Geology 169 (2000) 383-397

I'll fix this and add the link. Jmeppley 21:17, 18 Nov 2004 (UTC)

Ok that's what Textbook science gets you. Many thanks for the correction, and the interesting link! --Deelkar 04:10, 19 Nov 2004 (UTC)

[edit] Acid Mine or Acid Rock?

Acid Rock Drainage seems like a more generalized term, but Acid Mine Drainage gets more google hits. Opinions? SReynhout 22:41, 7 January 2006 (UTC)

It has always been Acid Mine for me and all my coleagues who have to manage the problem across the UK. I guess it might depend on whether your approach is from the environmental impact, as in my case, or from a geological view. I would stick with Acid mine water if the choice was mine not least because most of the problems are associated with mines and their products. Velela 16:15, 8 January 2006 (UTC)

Although the term perhaps originated from work related to "mine" drainage, it has become increasingly acknowledged as a more widespread environmental phenomena as the same drainage problems occur with any large scale ground disturbance and exposure of sulphide minerals to oxygen. Transportation corridors, large buildings, landscaping, foundations for wind farms as well as mine tailings and drainage can cause ARD. It is not a more general term, just one which better characterizes the environmental impact of ground disturbance. Like many issues it's important that the public recognize the broader implications of their use of land and not just assume one sector or group is solely responsible for negative impacts. [user:BGrant] July 2007.