113 
Figure 20: -specific survey of total PCA [ng/g] concentrations in sediments from the North and Baltic 
Sea (2001-2004). Quantification was carried out by EI-MS/MS (see Table 34 for details). 
M 50 ng /g d.w. mPCA 
Figure 21: Survey over site-specific sPCA and mPCA (Ci 4 _i 5 ) concentrations in sediments from the 
North and Baltic Sea in 2001-2004 obtained by CH-i/CFBCB-NICI-MS.