In the years 2011–2012 in Laboratory of Pesticide Residue Research in Sośnicowice, 226 samples were examined under official control of testing pesticide residues in agricultural crops. The samples for testing were supplied by the Provincial Inspectors Plant Protection and Seed in Katowice and Opole. Within two years the laboratory received 139 vegetable samples (which is 61% of the tested material), 63 fruit samples (27.9%), 15 mushroom samples (6.6%) and 9 samples of cereals (4%). The analyses of samples detected 18 active substances authorized for use. Exceeding of the maximum residue levels was found in three active substances and three active substances of plant protection products prohibited for use in a given assortment were also found. In all cases, the information notice was sent under the RASFF (Rapid Alert System for Food and Feed).