| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 32 | XRF |
1983 | Determination of multi elements in sediments by X-ray fluorescence | Annual Rep. Yokohama Res. Inst. for Env. Sci. | 8 | 103-110 | Y.Shirayanagi |
| 33.6 | AA |
1975.04 | Personal communication, Res. Center Jujo Paper Co. Ltd., Japan | | | | M.Tuchiya |
| 31.66 | XRF |
1975.09 | Personal communicatin, Kochi Pref. Res. Center Env. Prot., Japan | | | | J.Yamamoto |
| 33.9 | INAA |
1996 | Multi-element determination by a cold neutron-induced prompt gamma-ray analysis | | 12 | | C.Yonezawa |