Nonconformity about water treatment

Nonconformity about water treatment process control and monitoring that shall control condition and suitable equipment as follow;
-some equipment not verified or calibrated such as manganese meter and iron meter the last on december 2012 that require by the company shall calibrated by monthly
-there was no the result of some process parameter such as manganese, Iron that define in TOR no.กปภ.ข. 1/45/2553 shall check by 4th hour per time.