Some fresh produce commodities are susceptible to infiltration when immersed in water that is colder than the pulp temperature. Infiltration is the passage of water from the bulk/bin/tank water into fresh produce, usually caused by a temperature differential larger than 10°F, where the water is cooler than the produce. If that water is contaminated, microorganisms could enter the produce with the water. Tomatoes, cantaloupes, and apples are some crops susceptible to infiltration. Monitor pulp temperature and water temperature to make sure the water temperature is less than 10°F warmer than the pulp temperature, and document on a Water Monitoring log.

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