Toxicokinetic study following intratracheal instillation or oral gavage of two [7Be]-tagged carbon black samples

Table 3 Radioactivity analysis in feces and urine

Collection on days 1–3 post-treatment	Activity (%) calculated		Activity (%) calculated
	⁷Be-Monarch® 1000		⁷Be-Printex® 90
N = 4	Mean	SD	Mean	SD
Feces	17.6	18.3	8.2	0.4
Urine	6.7	1.8	0.4	0.3

ISSN: 1743-8977