Sample frequencies
consisted of; gooseberries (10), chokeberries
(5), raspberries (68), blackcurrants (85), redcurrants
(12), strawberries (66) and grapes (4). As part of previous
monitoring, 126 active substances were identified in
2009, 132 in 2010 and 153 in 2011(Table 1). Methods
used to analyse pesticide residues PPPs were performed
according to PN-EN ISO/IEC 17025 accreditation [7].
Analyses were performed by GC/ECD/NPD which allowed
the simultaneous detection of structurally diverse