‰·ò–¼
ç‘ã“c(Chiyoda)
’n@–¼
ŽRŒ§ŒSç‘ã“c’¬
[“xi‚j
-1
‰·@“xiŽj
21
—¬@—Ê(l/min)
40
pH
6
òŽ¿
’PƒŽãRnò
Geological Survey of Japan, AIST, 2004