Phosgene; Chemical preparations for testing swimming pool water; Chemical preparations for use in soil remediation, drinking water treatment, municipal and industrial wastewater treatment; Chemicals for use in aquariums; Chemicals for use in purification of water; Chemicals for use in purifying water; Chlorates; Chlorine for swimming pools; Liquid chlorine; Soldering flux; Water-softening preparations; Water purifying chemicals for swimming pools; Welding chemicals