‰·ò–¼ ‘åŠÑ(Onuki)
’n@–¼ “ŒˆïéŒS‘åô’¬
[“xi‚j -1
‰·@“xiŽj 25
—¬@—Ê(l/min) 120
pH -1
òŽ¿ ’PƒFe(2)ò(HCO_3Œ^)

Geological Survey of Japan, AIST, 2004