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Table 1 Summary of blood lead levels by month*

From: Seasonality and trend in blood lead levels of New York State children

Month Number Tested Percent ≥10 μg/dL Geometric Mean
January 21,122 4.2 3.96
February 20,380 4.0 3.87
March 22,713 3.8 3.76
April 22,231 3.7 3.75
May 22,871 4.0 3.82
June 22,713 5.2 4.08
July 22,368 5.8 4.26
August 21,695 6.4 4.43
September 23,204 6.1 4.40
October 23,060 5.3 4.15
November 20,534 5.0 4.07
December 19,796 4.5 3.92
Total 262,687 4.8 4.04
  1. *New York State children born between 1994 and 1997 and screened for blood lead within 2 weeks of their first birthday or second birthday.
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