Final answer:
Pest control measure records should be kept for a minimum of 120 days to review, analyze, and comply with legal or regulatory requirements.
Step-by-step explanation:
The specific requirements for how long pest control measure records should be kept can vary based on local regulations, industry standards, and organizational policies. Therefore, it's important to consult relevant authorities and guidelines specific to your location and industry. However, as a general guideline: D. 120 days. Maintaining records for a reasonable period is crucial for regulatory compliance, auditing purposes, and assessing the effectiveness of pest control measures over time. This duration allows for the tracking of trends, identification of recurring issues, and ensures that the records are available for inspection if needed. Always adhere to local regulations and industry best practices to determine the appropriate duration for retaining pest control measure records in your specific context.