Table 8.

Instrument detection limits of ICP–MS/HP/Mistral and alpha spectroscopy [90].

Isotope	ICP–MS/HP/Mistral		Alpha Spectrometry
	Mass/g	Activity/Bq	Activity/Bq
239Pu	1.2 × 10−15	2.8 × 10−6	1 × 10−4
240Pu	1.2 × 10−15	1.0 × 10−5	1 × 10−4