Laserfiche WebLink
2 <br />operational statistics are calculated for all data prior to the reporting period. <br />Numeric protective levels (NPL) and early warning indicators (EWI) are shown for <br />each constituent at each well where these statistical values apply. Comparison <br />of the data values with the Early Warning Indicators (EWI) and the Numeric <br />Protective Levels (NPL) indicates no values flagged above the calculated limits <br />during the sample period.