RADIOLOGICAL IMPACT OF FERTILIZERS: PRODUCTION AND USE - Fertilizers: Components, Uses in Agriculture and Environmental Impacts - page 284

Table 1. (Continued)

Country

U series Th series

40 K

References

238 U 234 U 230 Th 226 Ra 210 Pb 210 Po 232 Th 228 Ra

(Fourati et al., 1988; Pantelica et
al., 1997; Roselli et al., 2009;
Cevik et al., 2010; Falk et al.,
2006)

Syria 750-1500 --- --- 445-1636 --- --- 6.5-14 --- 117

(Makweba et al., 1993; IAEA,
2003; Falk et al., 2006)

Tanzania 20-11000 4377-4996 30-4661 5000-5800 --- --- 7-1100 500-717 286

(Bolívar et al., 1995; Bolívar et
al., 1996; Papastefanou, 2001;
IAEA, 2003)

Togo 690-1360 1069 --- 1010-1591 --- 931 110 --- < 35

( Fourati et al., 1988; Pantelica et
al., 1997; IAEA, 2003; Cevik et
al., 2010)

Tunisia 304-1700 --- --- 250-1530 --- --- 28-92 --- 50

( Erdem et al., 1996; Cevik et al.,
2010)

Turkey 368 --- --- 403 --- --- 8 --- 173

(Pantelica et al., 1997; IAEA,
2003; Azouazi et al., 2001; Falk et
al., 2006)

USA 260-4800 --- 1300 200-4800 --- --- 3.7-78 --- ---

Worldwide range 10-13745 149-14877 30-12487 53-15377 <19-1698 87-15084 0.8-753 7.7-1700 1.4-360 Present work