‰·ò–¼ \Šp(Tosumi)
’n@–¼ ’|“cŽs
[“xi‚j -1
‰·@“xiŽj 19
—¬@—Ê(l/min) 27
pH -1
òŽ¿ ’PƒFe(II)ò(HCO_3Œ^)

Geological Survey of Japan, AIST, 2004