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The information in the archive was published by MAFF, Department of Health and the Scottish Executive before April 1st 2000 when the Food Standards Agency was established.

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Food Surveillance Information Sheet


Food Surveillance Information Sheet Number 121

Table 3: Nitrate concentrations in UK-grown glasshouse lettuces by month
Month No. samples Nitrate levels found (mg/kg fresh weight) percentage exceeding maximum levels
range mean
June 6 1360 - 3210 2562 0
July 8 1330 - 2459 1831 0
August 11 965 - 2815 2027 0
September 11 1684 - 3500 2567 0
October 19 1870 - 4073 3082 0
November 11 1290 - 4410 2810 0
December 11 2500 - 5030 3499 9
January 11 2300 - 5180 3930 18
February 26 1910 - 4840 2989 7
March 16 1920 - 3450 2459 0

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These pages were last updated on July 31st 1997

 
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