## 3 Results and Discussion
\begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline \multirow{2}{*}{**County**} & \multicolumn{2}{c}{**Low**} & \multicolumn{2}{c}{**Moderate**} & \multicolumn{2}{c}{**High**} & \\ \cline{2-7}  & **(_n_)** & **(\%)** & **(_n_)** & **(\%)** & **(_n_)** & **(\%)** & \(\chi^{2}\)** & \(p\)** \\ \hline Brod-Posavina & 0 & 0 & 3 & 23.1 & 1 & 14.3 & & \\ Osijek-Baranja & 1 & 10 & 6 & 46.2 & 2 & 28.6 & & \\ Po2 ega-Slavonia & 4 & 40 & 0 & 0 & 2 & 28.6 & & \\ Vukovar-Srijem & 5 & 50 & 4 & 30.8 & 2 & 28.6 & & \\  & 10 & 100 & 13 & 100 & 7 & 100 & & \\ \hline \hline \end{tabular}  
* PAH4 content was recorded into variables with three levels (Low = \(<\)12 ug/kg; Moderate = 12-30 ug/kg; High = \(>\)30 ug/kg).  
\end{table} 
Table 4: PAH4 (ug/kg) occurrence in different counties. \begin{table}
\begin{tabular}{c c c} \hline \hline
**PAH** & **Beech and Hornbeam** & **Elm** \\ \hline Nap & 2.41 \(\pm\) 4.90 \({}^{\text{a}}\) & 1.57 \(\pm\) 2.26 \({}^{\text{a}}\) \\ Anl & 2.58 \(\pm\) 3.41 \({}^{\text{b}}\) & 16.26 \(\pm\) 12.49 \({}^{\text{a}}\) \\ Ane & 3.33 \(\pm\) 4.83 \({}^{\text{a}}\) & 6.28 \(\pm\) 6.78 \({}^{\text{a}}\) \\ Flu & 16.24 \(\pm\) 5.33 \({}^{\text{b}}\) & 28.57 \(\pm\) 9.46 \({}^{\text{a}}\) \\ Ant & 61.48 \(\pm\) 15.70 \({}^{\text{b}}\) & 136.45 \(\pm\) 40.26 \({}^{\text{a}}\) \\ Phen & 5.06 \(\pm\) 3.73 \({}^{\text{b}}\) & 19.09 \(\pm\) 6.23 \({}^{\text{a}}\) \\ Flt & 5.23 \(\pm\) 1.35 \({}^{\text{b}}\) & 14.80 \(\pm\) 6.37 \({}^{\text{a}}\) \\ Pyr & 1.99 \(\pm\) 2.42 \({}^{\text{a}}\) & 0.00 \(\pm\) 0.00 \({}^{\text{b}}\) \\ BaA & 15.33 \(\pm\) 11.52 \({}^{\text{b}}\) & 32.63 \(\pm\) 11.26 \({}^{\text{a}}\) \\ Chry & 0.00 \(\pm\) 0.00 \({}^{\text{a}}\) & 4.11 \(\pm\) 13.00 \({}^{\text{a}}\) \\ \hline PAH4 & 15.33 \(\pm\) 11.52 \({}^{\text{b}}\) & 36.74 \(\pm\) 21.72 \({}^{\text{a}}\) \\ PAH16 & 113.65 \(\pm\) 30.26 \({}^{\text{b}}\) & 259.76 \(\pm\) 74.24 \({}^{\text{a}}\) \\ \hline \hline \end{tabular}  
* Values are means \(\pm\) SD. Values in the same row with different superscripts (\({}^{\text{a}}\)/kg) are significantly different (\(p<0.05\)).  
\end{table} 
Table 5: Effect of different types of wood on PAH content (ug/kg). \begin{table}
\begin{tabular}{c c c c} \hline \hline
**PAH** & **Brod-Posavina** & **Osijek-Baranja** & **Pożega-Slavonia** & **Vukovar-Srijem** \\ \hline Nap & 4.85 \(\pm\) 8.40 \({}^{\text{a}}\) & 0.89 \(\pm\) 1.28 \({}^{\text{a}}\) & 3.04 \(\pm\) 4.32 \({}^{\text{a}}\) & 1.57 \(\pm\) 2.26 \({}^{\text{a}}\) \\ Anl & 0.54 \(\pm\) 0.93 \({}^{\text{b}}\) & 4.51 \(\pm\) 4.03 \({}^{\text{b}}\) & 1.04 \(\pm\) 1.09 \({}^{\text{b}}\) & 16.26 \(\pm\) 12.49 \({}^{\text{a}}\) \\ Ane & 2.34 \(\pm\) 1.88 \({}^{\text{a,b}}\) & 5.88 \(\pm\) 5.84 \({}^{\text{a,b}}\) & 0.17 \(\pm\) 0.25 \({}^{\text{b}}\) & 6.28 \(\pm\) 6.78 \({}^{\text{a}}\) \\ Flu & 12.67 \(\pm\) 1.23 \({}^{\text{b}}\) & 19.93 \(\pm\) 4.81 \({}^{\text{b}}\) & 13.07 \(\pm\) 3.90 \({}^{\text{b}}\) & 28.57 \(\pm\) 9.46 \({}^{\text{a}}\) \\ Ant & 58.25 \(\pm\) 3.46 \({}^{\text{b}}\) & 71.13 \(\pm\) 14.17 \({}^{\text{b}}\) & 49.15 \(\pm\) 13.15 \({}^{\text{b}}\) & 136.45 \(\pm\) 40.26 \({}^{\text{a}}\) \\ Phen & 4.77 \(\pm\) 1.33 \({}^{\text{b}}\) & 6.47 \(\pm\) 4.84 \({}^{\text{b}}\) & 3.15 \(\pm\) 1.04 \({}^{\text{b}}\) & 19.09 \(\pm\) 6.23 \({}^{\text{a}}\) \\ Flt & 4.58 \(\pm\) 0.73 \({}^{\text{b}}\) & 5.52 \(\pm\) 1.56 \({}^{\text{b}}\) & 5.23 \(\pm\) 1.17 \({}^{\text{b}}\) & 14.80 \(\pm\) 6.37 \({}^{\text{a}}\) \\ Pyr & 3.09 \(\pm\) 1.79 \({}^{\text{a}}\) & 1.90 \(\pm\) 2.73 \({}^{\text{a}}\) & 1.39 \(\pm\) 2.01 \({}^{\text{a,b}}\) & 0.00 \(\pm\) 0.00 \({}^{\text{b}}\) \\ BaA & 17.78 \(\pm\) 7.63 \({}^{\text{b,c}}\) & 20.59 \(\pm\) 12.04 \({}^{\text{b}}\) & 5.82 \(\pm\) 5.29 \({}^{\text{c}}\) & 32.63 \(\pm\) 11.26 \({}^{\text{a}}\) \\ Chry & 0.00 \(\pm\) 0.00 \({}^{\text{a}}\) & 0.00 \(\pm\) 0.00 \({}^{\text{a}}\) & 0.00 \(\pm\) 0.00 \({}^{\text{a}}\) & 4.11 \(\pm\) 13.00 \({}^{\text{a}}\) \\ \hline PAH4 & 17.78 \(\pm\) 7.63 \({}^{\text{b}}\) & 20.59 \(\pm\) 12.04 \({}^{\text{b}}\