Shed issues: pH | Chicken Meat Trade

Table 38. Troubleshooting pH issues

Operational monitoring
Parameter	Target criteria	Critical limits	Monitoring method
pH	6.5–7.8	pH is adjusted as required to achieve optimal pH for the disinfectant used.	Online, continuous pH meter. 24-hour monitored alarms on monitoring meters. Appropriate electronic or hard copy monitoring records.
Corrective action Any breach in critical limits or target criteria should result in any of the following operating procedures as necessary: inspect and calibrate equipment, check the concentration of the chemical (if chemicals have expired), adjust flow rate, change to a different filter micron, change filtration point, carry out additional monitoring, increase sampling and testing, implement unplanned maintenance procedure, add a secondary filter, use alternative supply with low organic matter, engage backup equipment, plant automatic shutdown, implement emergency response, and record actions to be taken and report (internally or externally as required).
Verification Calibration and maintenance of equipment pH monitoring Satisfactory production Evaluation and audit