Upper limit in the distance from the upper test plate edge: 20 mmLateral limit in the distance of the lateral test plate edges: 5 mmThe condition of the lower test plate edge (5 mm) is to be described according to the following criteria.Corrosion points are specified.The amount (m0 to m5) and the size (g0 to g5) are assessed.To simplify the assessment, the increments in ISO 4628-2 (identification of the degree of blistering of the coatings) in the figurative sense is to be incorporated.The assessment of the greying and/or spottiness of the test plate surface are done according to DIN EN ISO 4628-1.In the protocol the respective individual measurement values are to be specified with the associated test dates.