Natural Radioactivity Measurements and Radiation Dose Estimation in Some Sedimentary Rock Samples in Turkey

Table 1

The activity concentration of ⁴⁰K, ²²⁶Ra, and ²³²Th (in Bq/kg) of sedimentary rock samples.

Sample	Region	Activity concentration (Bq/kg)
		^40K	^226Ra	^232Th
S1	Bursa	253.85±12.69	36.23±1.81	25.05±1.25
S2	Bilecik	189.52±9.48	25.34±1.27	18.77±0.94
S3	Balıkesir	197.17±9.86	34.04±1.70	27.02±1.35
S4	Karaman	143.97±7.20	48.00±2.40	39.18±1.96
S5	Eskişehir	284.26±14.21	28.83±1.44	8.20±0.41
S6	Kayseri	247.30±12.36	17.55±0.88	33.49±1.67
S7	Diyarbakır	179.65±8.98	27.83±1.39	18.55±0.93
S8	Malatya	158.74±7.94	44.48±2.22	34.46±1.72
S9	Elazığ	264.01±13.20	12.01±0.60	45.93±2.30
S10	Isparta	183.55±9.18	35.67±1.78	22.77±1.14
S11	Burdur	346.12±17.31	32.83±1.64	37.52±1.88
S12	Hatay	180.19±9.01	37.43±1.87	31.86±1.59
S13	Afyon	452.34±22.62	48.95±2.45	53.27±2.66
S14	İzmir	168.57±8.43	22.57±1.13	24.39±1.22
S15	Manisa	180.19±9.01	37.43±1.87	31.86±1.59
S16	Denizli	260.41±13.02	41.86±2.09	36.73±1.84
S17	Kastamonu	376.39±18.82	48.62±2.43	42.18±2.11
S18	Karabük	156.98±7.85	30.90±1.55	27.86±1.39
S19	Amasya	395.28±19.76	47.94±2.40	47.29±2.36
UNSCEAR 2000		500.00	50.00	50.00