| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 30 | AA |
1975.01 | Personal communication, Service Analyse et Contro, Complexe Scientifique, Canada. | | | | J. Gagnon |
| 11.9 | AA |
1982 | Mercury in geologic reference samples | | | | F.J.Flanagan, R.Moore and P.J.Aruscavage |
| 24 | AA |
1976 | Proposal and tentative plan of environmental maps-From an example in the distribution of trace heavy metals on the basis of the difference of geological structure | Pollution and Counter-measure | 13 | 12-19 | K.Okada, T.Yamamoto, Y.Tanaka. K.Kusunoki, M.Miyah |
| 35 | AA |
1977 | Mercury in rice soils developed on saga polder lands, northern Kyushu, Japan | Plant and Soil | 47 | 49-61 | S.Goto and H.Koga |
| 24 | AA |
1978 | Personal communication, Kumamoto Univ., Japan | | | | I.Sanemasa |
| 36.1 | AA |
1982 | Personal communicaction, Geological Survey of Japan | | | | K.Kato |
| 30 | AA |
1987.03 | Geochemical map of heavy metal elements in soils from the northern Hokkaido (in Japanese with English abstract) | J. Geol. Surv. Hokkaido | 17 | 1-30 | K.Suga and K.Kurosawa |
| 30 | AA |
1994 | Personal communication, Geological Survey of Japan | | | | S.Terashima |
| 29.16 | FAA |
1995 | Personal communication,Geo.Sci.Lab.,Pakistan | | | | A. Iqbal |