South Korean chemical plant spill labelled 'special disaster zone'

According to the website of Hube Korea, the hydrofluoric acid was "LCD-grade", presumably used for LCD manufacturing.

http://www.hube.co.kr/ (Flash website)

http://imgur.com/lDeRS (screen capture)

Both Samsung and LG Display have manufacturing plants here.

https://en.wikipedia.org/wiki/Gumi,_South_Korea

It happened when a guy connecting a hose to tanker slipped.

http://www.koreatimes.co.kr/www/news/nation/2012/10/113_1219...