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Table 8 Frequencies of child blood As levels at Time I and II (N = 204)

From: A comparison of arsenic exposure in young children and home water arsenic in two rural West Texas communities

Time I Time II
As range (μg/dL) Freq Freq
%
Cumul
Freq
Cumul
Freq
%
Freq Freq
%
Cumul
Freq
Cumul
Freq
%
2.800–2.999 0 0.0 204 100.0 0 0.0 204 100.0
2.600–2.799 1 0.5 204 100.0 0 0.0 204 100.0
2.400–2.599 1 0.5 203 99.5 0 0.0 204 100.0
2.200–2.399 2 1.0 202 99.0 0 0.0 204 100.0
2.000–2.199 0 0.0 200 98.0 1 0.5 204 100.0
1.800–1.999 7 3.4 200 98.0 0 0.0 203 99.5
1.600–1.799 7 3.4 193 94.6 0 0.0 203 99.5
1.400–1.599 14 6.9 186 91.2 0 0.0 203 99.5
1.200–1.399a 26 12.7 172 84.3 1 0.5 203 99.5
1.000–1.199 23 11.3 146 71.6 4 2.0 202 99.0
0.800–0.999 28 13.7 123 60.3 11 5.4 198 97.1
0.600–0.799 42 20.6 95 46.6 14 6.9 187 91.7
0.400–0.599 34 16.7 53 26.0 66 32.4 173 84.8
0.200–0.399 13 6.4 19 9.3 81 39.7 107 52.5
0.000–0.199 6 2.9 6 2.9 26 12.7 26 12.7
Total 204 100.0 204 100.0 204 100.0 204 100.0
  1. a 1.2 μg/dL, CDC allowable As blood limit