The Risk Assessment Information System

RAIS: Relative Risk Ranking Legend

Rank Code: _ _ _ _

First Position: Data Availability
D = Evaluation Based on Data
A = Based on Assumption
Second Position: Source Hazard Factor
S = Significant (sum of ratios > 100)
M = Moderate (2 - 100)
N = miNimal (<2)
Third Position: Pathway Factor
E = Evident
P = Potential
C = Confined
Fourth Position: Receptor Factor
I = Identified
P = Potential
L = Limited

Rank:

H = High
M = Medium
L = Low

Media:

GW, G = Groundwater
SS, R = Surface Water or Sediment
SO, S = Soil
B = Building or Facility

Receptor:

P = Public
W = Worker



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