1. Calculation of freezer refrigeration load

2. Freezing time Freezer type Freezer operating temperature Refrigeration system and operating condition Air speed in an air blast freezer Product temperature Product thickness Product shape Product contact area and density Product packaging Species of fish

3. Coding, packing and storage A code slip bearing the marking of the numerical code of the processor, abbreviation of the name and type of products, year, month and date of production shall be embedded on the frozen block. Primary container other wise known as wax coated board or duplex carton and placed inside the master carton. Stored in a room maintained at or below a temperature of minus 18 ⁰ C.