‰·ò–¼ ’†‹{(Chugu)
’n@–¼ ÎìŒS‹g–ì’J‘º
[“xi‚j -1
‰·@“xiŽj 60
—¬@—Ê(l/min) 79
pH 7
òŽ¿ Na-ClEHCO_3

Geological Survey of Japan, AIST, 2004