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"5b. WASTE & WASTEWATER TREATMENT, POLLUTION CONTROL"
• Recycling of Chrome Stripping solution (HCl) - December 30
• DM System Problem: Poor OBR, short SBA life open Q. - November 20
• TDS vs PPM vs. µS? - October 14
• Trivalent Chromium vs. Hexavalent -- what are the differences? - August 31
• Recycling of chrome sludge open Q. - August 14
• Ferrous Chloride vs. Ferric Chloride for reducing H2S levels open Q. - August 6
• 
Defects on test panel left in the water - June 2
• Can Trivalent Chromium degrade into Hexavalent Chromium? - May 3
• Dangers of drinking deionized water open Q. - April 19
• Methods for pH measurement in D.I. water - April 15