=====Special instruction for hs Tn-I calibrator==== -3 level of calibrator level-1 , level-2, and level-3 -It comes in frozen state and ready to use form -Each level contain 2 ml of calibrator -From main bottle 4 cup was made of 0.5 ml from each level -This cup was capped and parafilm done -Barcode label was sticked on lower part which has mentioned Name lot no and level - kept in urine micro-container -For next time calibration use this cup -After calibration retained calibrator was kept in original bottle in which it actually came -This retained calibrator will be used as a quality control sample in future -All this kept in box -This box kept in deep friedge no-16 -** After each calibration kept retained calibrator in its original bottle** -** For calibration do not use sample from its original bottle ,use labelled parafilmed cup**