FDA 483 OBSERVATION · #27 OF 1,923 MOST-CITED
Lack of effective pest exclusion
FDA cited this observation 780 times across 745 firms in recent inspections. Below: how it breaks down by program area and fiscal year, and real examples of how FDA worded it on Form FDA 483.
What this grouping is not
An observation-type page groups FDA’s published citation records. The grouping, the compliance steps and the root causes are SPEQ synthesis, not an FDA classification of any citation, and a count measures what FDA published rather than risk.
What this observation means, and how to comply
SPEQ's practitioner reading of this finding. The regulatory basis is a cited fact; the interpretation, compliance steps, and root causes are SPEQ synthesis — not an FDA classification of the citation.
The plant did not take effective measures to exclude pests from the facility — as distinct from having pests present, this is the failure of the exclusion measures (seals, barriers, controls) meant to keep them out.
Why FDA writes it — Pest exclusion is a preventive control: keeping pests out is more reliable than removing them once inside. When exclusion measures are ineffective, the plant is open to a recurring contamination vector, so FDA cites the inadequate exclusion even where active infestation is limited.
- Take effective measures to exclude pests from manufacturing, processing, packing, and holding areas and to protect against contamination.
- Seal entry points — doors, walls, utility penetrations — and maintain barriers that keep pests out.
- Maintain grounds and waste handling so pests are not attracted to or harbored near the facility.
- Monitor with devices and inspections, and treat sightings as a signal to find and close the entry route, not just to remove the pest.
- Reliance on trapping/treatment inside rather than sealing the structural gaps that let pests in.
- Unsealed entry points and poor exterior maintenance that continually invite pests.
How to close this finding — and stop it recurring
What this observation is associated with
Firms cited for this observation also appear in FDA compliance actions — warning letters, injunctions, or seizures — at 1.2× the rate of the average FDA-cited firm (9.1% vs 7.8%), across 745 FEI-matched firms.
This is an association, not causation, and reflects co-occurrence in FDA's records — not a claim that the observation caused or preceded the action.
How FDA worded it — real examples
Effective measures are not being taken to exclude pests from the processing areas and protect against the contamination of food on the premises by pests.
Effective measures are not being taken to protect against the contamination of food on the premises by pests.
Effective measures are not being taken to exclude pests from the processing areas and protect against the contamination of food on the premises by pests.
Effective measures are not being taken to exclude pests from the processing areas and protect against the contamination of food on the premises by pests.
Effective measures are not being taken to exclude pests from the processing areas and protect against the contamination of food on the premises by pests.
Effective measures are not being taken to exclude pests from the processing areas and protect against the contamination of food on the premises by pests.
Related SPEQ references
Where to read the requirements behind this observation area on SPEQ. These are SPEQ's topic and audience pages — not an FDA classification of the citation.
Examples are a representative sample of FDA's published inspection observations. Open the 483 observation explorer →