http://www.randomsupport.com/rs/blogs/index.php/iphone/?title=niosh-chemical-hazards-now-supports-ipad&more=1&c=1&tb=1&pb=1 2010-06-18T07:57:11Z 0.7 daily http://www.randomsupport.com/rs/blogs/index.php/iphone/?title=announcing-the-niosh-chemical-hazards-ap&more=1&c=1&tb=1&pb=1 2010-01-12T06:23:22Z 0.6 weekly