Carbon Tetrachloride Summary Table at Memorial Academy

This page last reviewed October 20, 2010


Month Summary Statistics
Number of Samples Minimum
(ppb)
Maximum
(ppb)
Average
(ppb)
October-99 3 0.08 0.09 0.08
November-99 6 0.08 0.08 0.08
December-99 7 0.05 0.09 0.07
January-00 8 0.08 0.09 0.09
February-00 7 0.07 0.10 0.09
March-00 7 0.09 0.11 0.10
April-00 7 0.10 0.13 0.12
May-00 2 0.12 0.12 0.12
June-00 3 0.09 0.10 0.09
July-00 2 0.09 0.09 0.09
August-00 3 0.09 0.09 0.09
September-00 2 0.09 0.09 0.09
October-00 3 0.09 0.09 0.09
November-00 2 0.09 0.09 0.09
December-00 3 0.08 0.09 0.09
January-01 3 0.09 0.10 0.09
February-01 1 0.09 0.09 0.09
SUMMARY Total Minimum Maximum Average
  69 0.05 0.13 0.09

Note: The lowest concentration that can be measured (LOD) is 0.02 parts per billion (ppb). Values below the LOD are set to 0.5 * LOD.


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