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Table 1 Arsenic content in Sri Lankan rice (μg/dry Kg)

From: Presence of arsenic in Sri Lankan rice

  New improved varieties - area wise Traditional varieties
  Padaviya Sripura Maha Wilachchiya Mihinthale Kurunegala Monaragala Gampaha Kalu Heenati Mada Thawalu Pachcha Perumal
  N = 20 N =17 N = 25 N = 17 N = 19 N = 11 N = 11 N = 10 N = 10 N = 10
Minimum 37.2 52.4 54.2 52.4 40.2 28.8 26.6 12.8 11.6 14.4
Maximum 498.6 540.4 387.6 498.4 458.4 435.2 212.8 48.6 64.2 54.2
Mean 162.8 186.1 144.3 141.2 152.6 129.3 96.2 28.1 30.5 28.5
Median 116.8 146.2 108.4 92.5 110.6 65.4 80.6 27.6 26.7 22.4
Daily As intake from rice (μg) 51.7 59.1 45.6 44.9 48.5 41.1 30.6 8.9 9.7 9.1