Hi bowmank,
Two considerations in addition to the fine matrices Charles has provided.
I have observed that it is often convention in the US to use or at least include the verbiage already enshrined in the food code for Class 1, 2 and 3 recalls as the verbiage used in a hazard risk matrix. The triggers and levels of hazard already identified and used by the enforcers of the food code. If you desired you could create additional descriptions in your matrix for lesser hazard risks, e. g., you have identified a problem, but the product is still in your possession and under your control, not having entered commerce.
7.1.1.2
Recall Classification
Recall Class
ification is
the numerical designation, i.e., I, II,
or III, assigned by the FDA to a particular product recall to
indicate the relative degree of health hazard presented by
the product being recalled.
7.1.1.2.1
-
CLASS I RECALL
Class I Recall is a
situati
on in which there is a reasonable
probability that the use of, or exposure to, a violative
product will cause serious adverse health consequences
or death.
7.1.1.2.2
-
CLASS II RECALL
Class II Recall is a
situation in which use of, or exposure
to, a violat
ive product may cause temporary or medically
reversible adverse health consequences or where the
probability of serious adverse health consequences is
remote.
7.1.1.2.3
-
CLASS III RECALL
Class III Recall is a
situation in which use of, or exposure
to, a violative product is not not likely to cause adverse health
consequences.
Another way to approach the hazard risk assessment is to augment known historical data of instances of foreign body events that triggered recalls with the data from your own customer complaints tracking and trending logs regarding foreign body discovery from your products in the market.