Water and chemical analysis and research and consultation associated therewith; bacteriological consultation and research

'analysi':4 'associ':9 'bacteriolog':11 'chemic':3 'consult':8,12 'research':6,14 'therewith':10 'water':1

Water treatment services and consultation; water treatment in the nature of membrane cleansing for use in reverse osmosis systems

'cleans':13 'consult':5 'membran':12 'natur':10 'osmosi':18 'revers':17 'servic':3 'system':19 'treatment':2,7 'use':15 'water':1,6

Water treatment chemicals, namely, anti-scalants, biocides, cleansers, coagulants and flocculants

'anti':6 'anti-scal':5 'biocid':8 'chemic':3 'cleanser':9 'coagul':10 'floccul':12 'name':4 'scalant':7 'treatment':2 'water':1

AVISTA

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