catalyst from VCM production should be listed under category C and deleted from category A. According to that expert, VCM manufacturers did not recover mercury from catalyst but the recovery was done in a separate plant. It could therefore be mentioned under metal production recovery “secondary – of mercury”. Acetaldehyde production with mercury Waste catalyst, recovered mercury Mercury catalyst process sulphate (HgSO4) catalyst Polyurethane production using Waste catalyst, recovered mercury Mercury catalyst process catalyst Other production of chemicals and Waste catalyst, recovered mercury Mercury catalyst process pharmaceuticals with mercury compounds and/or catalysts Production of mercury-added products Unused raw material, recovered mercury Products and applications with intentional use of mercury Laboratory chemicals and equipment Stockpiles of laboratory chemicals Mercury Include porosimeters. Mercury chloride, etc., Mercury metal use in religious rituals and Excess mercury Mercury folklore medicine Lighthouse equipped with mercury Mercury in the bearing to float and revolve a One expert questioned the relationship bearings lens apparatus, including mercury stored for of this entry with the with “light sources replenishment listed under category B. It is mercury” understood that this is the use of mercury bearing, not a light source. Secondary metal production Recovery of mercury Recovered mercury Dismantling of chlor-alkali facilities Includes recovery of mercury from mercury waste and contaminated soil. Recovery from mercury meters used in natural gas pipelines One expert questioned whether, for example, mercury recovered from Recovery from manometers, decommissioning of chlor-alkali thermometers, and other equipment. facilities should be listed here or as use of mercury in industrial “intentional production”. It should be noted that paragraph 5 (b) of article 3 stipulates that excess
catalyst from VCM production should be listed under category C and deleted from category A. According to that expert, VCM manufacturers did not recover mercury from catalyst but the recovery was done in a separate plant. It could therefore be mentioned under “secondary metal production – recovery of mercury”. Acetaldehyde production with mercury sulphate (HgSO4) catalyst Waste catalyst, recovered mercury Mercury catalyst process Polyurethane production using catalyst Waste catalyst, recovered mercury Mercury catalyst process Other production of chemicals and pharmaceuticals with mercury compounds and/or catalysts Waste catalyst, recovered mercury Mercury catalyst process Production of mercury-added products Unused raw material, recovered mercury Products and applications with intentional use of mercury Laboratory chemicals and equipment Stockpiles of laboratory chemicals Mercury Mercury chloride, etc., Include porosimeters. Mercury metal use in religious rituals and folklore medicine Excess mercury Mercury Lighthouse equipped with mercury bearings Mercury in the bearing to float and revolve a lens apparatus, including mercury stored for replenishment One expert questioned the relationship of this entry with the “light sources with mercury” listed under category B. It is understood that this is the use of mercury bearing, not a light source. Secondary metal production Recovery of mercury Recovered mercury Dismantling of chlor-alkali facilities Recovery from mercury meters used in natural gas pipelines Recovery from manometers, thermometers, and other equipment. Includes recovery of mercury from mercury waste and contaminated soil. One expert questioned whether, for example, mercury recovered from decommissioning of chlor-alkali facilities should be listed here or as “intentional use of mercury in industrial production”. It should be noted that paragraph 5 (b) of article 3 stipulates that excess
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