Perchloroethylene Summary Table at Memorial Academy

This page last reviewed October 21, 2010

Month Summary Statistics
Number of Samples Minimum
(ppb)
Maximum
(ppb)
Average
(ppb)
October-99 3 0.12 0.17 0.14
November-99 6 0.07 0.16 0.10
December-99 7 0.11 0.26 0.16
January-00 8 0.02 0.31 0.12
February-00 7 0.02 0.11 0.06
March-00 7 0.02 0.08 0.04
April-00 7 0.02 0.08 0.04
May-00 2 0.03 0.20 0.12
June-00 3 0.02 0.04 0.03
July-00 2 0.01 0.05 0.03
August-00 3 0.005 0.09 0.05
September-00 2 0.03 0.03 0.03
October-00 3 0.03 0.05 0.04
November-00 2 0.05 0.14 0.10
December-00 3 0.09 0.18 0.14
January-01 3 0.06 0.11 0.09
February-01 1 0.02 0.02 0.02
SUMMARY Total Minimum Maximum Average
  69 0.0 0.3 0.1

Note: The lowest concentration that can be measured (LOD) is 0.01 parts per billion (ppb). Values below the LOD are set to 0.5 * LOD.


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