Example Significance Matrix Activity, Product, Service AspectImpact Legal Liability Public Concern FrequencySeverityOSRSignificance(OSR>2.5) Dissolve Mineral Ore Water use Resourcedepletion13211.75No Natural Gas Use Resource depletion 11221.50No Natural Gas Use Air pollution (Nox) 12211.50No Use of Strong Acids Spills to land or water 32332.75Yes