§ 305.16 - Cold treatment schedules.

Treatment scheduleTemperature ( °F)Exposure periodT107-a 134 or below14 days.35 or below16 days.36 or below18 days.T107-a-134 or below15 days.35 or below17 days.T107-b33 or below18 days.34 or below20 days.35 or below22 days.T107-c32 or below11 days.33 or below13 days.34 or below15 days.35 or below17 days.T107-d32 or below13 days.33 or below14 days.34 or below18 days.35 or below20 days.36 or below22 days.T107-e31 or below 222 days.T107-f32 or below10 days.33 or below11 days.34 or below12 days.35 or below14 days.T107-g0 or below7 days.T107-h33.8 or below17 days34.5 or below20 days.T107-j33.8 or below15 days.34.5 or below18 days.CTMedfly34 or below14 days.35 or below16 days.36 or below18 days.T403-a-2-3 (for temperatures below 55 °F)048 hours.T403-a-4-3, T403-a-5-3, T403-a-6-1048 hours.T403-a-6-2032 hours.1048 hours.T403-a-6-308 hours.1016 hours.2024 hours.1 For Hawaiian-grown avocados only, a single transient heat spike of no greater than 39.6 °F (4.2 °C) and no longer than 2 hours, during or after 6 days of cold treatment, does not affect the efficacy of the treatment.2 Commence when sensors are at 31 °F or below. If the temperature exceeds 31.5 °F, extend the treatment one-third of a day for each day, or part of a day, that the temperature is above 31.5 °F. If the exposure period is extended, the temperature during the extension period must be 34 °F or below. If the temperature exceeds 34 °F at any time, the treatment is nullified. Also, some freeze damage may occur if the pulp temperature drops below approximately 29.5 °F. This varies with the commodity.