‰·ò–¼ —Ž–ì‘ò(Otoshinozawa)
’n@–¼ ‚Þ‚ÂŽs
[“xi‚j 947
‰·@“xiŽj 52
—¬@—Ê(l/min) 300
pH -1
òŽ¿ Na-Cl‹­‰–ò

Geological Survey of Japan, AIST, 2004