‰·ò–¼ ‘q‚ª–ì(Kuragano)
’n@–¼ ‚èŽs
[“xi‚j -1
‰·@“xiŽj 25
—¬@—Ê(l/min) 30
pH -1
òŽ¿ ’PƒFe(2)ò(HCO_3Œ^)

Geological Survey of Japan, AIST, 2004