The level of residues of active substances of the fungicides Captan 80 WG and Thiram Granuflo 80 WG applied in protection against apple storage diseases and their effectiveness were investigated. Captan 80 WG was used to protect against bull`s eye rot of cultivar Szampion apples in 11 protection programs, in which it was applied from 1 to 4 treatments at various combinations of terms (28, 21, 14, 7 days before harvest). Thiram Granuflo 80 WG was used against storage scab of cultivar Jonagored apples in 4 protection programs, in which the treatments were applied in terms: 14 and 7 days before harvest. Fruits from trees not treated with the fungicides were regard as the control. It was found, that double application of the Captan 80 WG in terms of 21 and 14 days before harvest was safe for captan residues in apples, and had a very good efficacy against bull`s eye rot of apples. In turn, Thiram Granuflo 80 WG significantly restricted the storage scab after one application, only at low disease severity. However, when the infection was higher, significant effectiveness was obtained by double use of Thiram Granuflo 80 WG while the content of CS2, as dithiocarbamates indicator met the standard requirements.