Sample	Mass (g)	Time of analysis (s)	Radioisotope	Counts	A_m (Bq/kg)
FM4	369.9	317642.62	¹³⁷Cs	5204	0.83
FM4	369.9	317642.62	⁴⁰K	1816	45.17
FM5	390.5	236401.64	¹³⁷Cs	3759	0.81
FM5	390.5	236401.64	⁴⁰K	1596	50.52
FBC	410.0	325263.56	¹³⁷Cs	2207	0.35
FBC	410.0	325263.56	⁴⁰K	1194	26.16