‰·ò–¼ “à‘åb(Naidaijin)
’n@–¼ ã‰véŒS–î•”’¬
[“xi‚j -1
‰·@“xiŽj 25
—¬@—Ê(l/min) 11
pH -1
òŽ¿ ŠÜCO_2-Na-HCO_3

Geological Survey of Japan, AIST, 2004