Show Point Ratios

To display concentration to benchmark ratios at each point, make sure that your analysis type is set to Ecological and the desired contaminant and media are selected in the secondary toolbar.

From the Maps menu, select Point Risk.

Alternatively, you may select the point risk button from the main toolbar.

This will prompt you to select the ecological benchmarks to be screened against:

To select a single benchmark source, select Screen Using One Benchmark Source. To screen against a prioritized list, select Screen Using a Prioritized List of Benchmark Sources and the following form appears:

Here you can select which benchmarks are to be screened using the >> button and the order in which they will be accessed using the Up and Down buttons. Clicking OK will then display the map with a box around each point that exceeds the chosen benchmark.