| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|
| 0.03 | FAA |
1987.07 | Personal communication, UNDP Philippines | | | | I.Rubeska |
| 0.03 | AA |
1987.07 | Personal communication, BMG, Philippines | | | | E.M.Macalalad |
| 0.019 | AA |
1984.04 | Determination of cadmium and lead in seventy-seven geological reference samples by atomic absorption spectrometry | Geost. Newsletter | 8 | 13-16 | S.Terashima |
| 0.015 | AA |
1991.01 | Personal communication, Geological Survey of Japan | | | | S.Terashima |
| 0.019 | AA |
1984 | Determinatin of major and minor elements on the six GSJ rock reference samples | Bull. Geol. Surv. Japan | 35 | 171-177 | S.Terashima |
| <2 | EXRF |
2002 | Personal Communication, Southern Connecticut State Univ., USA | | | | T. Fleming |