Table 5. (Cont.) “Measured by fluorimetric methods for which analysis error is about + 20%. Mean (ug /m?) “SLE. (mean biomass in g/m) x (mean total U conc. in ug/g dry). [ (mean g/m?) x Var (mean pg/g dry) + (mean ye/g dry)“ x Var (mean g/m?) - Var (mean ug/g/dry) x Var (mean g/m2) jt/2 darea 11, Site A data obtained by alpha spectrometry methods; data from other locations obtained using fluorimetric methods. “average biomass (g/m?) estimated using data from C and D sites (Table 1). 4 faverage biomass (g/m?) estimated using data from all Area 11 sites.