## 4 Why and How to Measure Volatile Organic Compound Emissions from a Material?
### How to Measure VOC Emission Rates from Wood-Based Materials?
\begin{table}
\begin{tabular}{|c|c|c|c|c|c|c|c|c|c|} \hline \hline
**Reference** & **Associated Standard** & \begin{tabular}{c} **Volume of the** \\ **Chamber Model** \\ **Chapter (t3)** \\ \end{tabular} & \begin{tabular}{c} **Chamber Model** \\ **(Material)** \\ \end{tabular} & \begin{tabular}{c} **Emission** \\ **Surface (m\({}^{\circ}\))** \\ \end{tabular} & \begin{tabular}{c} **Air Flow** \\ **Surface (m\({}^{\circ}\))** \\ \end{tabular} & \begin{tabular}{c} **Size-Air** \\ **(m\({}^{\circ}\))** \\ \end{tabular} & \begin{tabular}{c} **Air Velocity** \\ **Flow Rate** \\ **(m\({}^{\circ}\))** \\ \end{tabular} & \begin{tabular}{c} **Laoding Rate** \\ **Rate (m\({}^{\circ}\))** \\ \end{tabular} & \
\begin{tabular}{c} **Air Change** \\ **Rate (m\({}^{\circ}\))** \\ \end{tabular} &
\begin{tabular}{c} **Temperature**, \\ **Relative humidity** \\ **(C\({}^{\circ}\),S)** \\ \end{tabular} \\ \hline
[108] & ASTM D5116-06 [109] & 216 & (Polished stainless steel) & / & 1.8 & / & / & 0.5 & 25 °C, \\ \hline
[110] & QB 1952-2011 [111] & 1000 & / & 0.4 & / & / & 0.2 & 0.4 & 1 & 50\% \\ \hline
[112] & / & 1000 & (Stainless steel) & 0.9 & / & / & 0.1-0.3 & 0.9-1.8 and 3.6 & 1 & 23 °C, \\ \hline  & & \multirow{2}{*}{203} & Model VCE 200, \begin{tabular}{c} \\ _Mustifric_ \\ \end{tabular} & \multirow{2}{*}{\begin{tabular}{c} 26.6 \(\times\) 10\({}^{3}\) \\ (polished stainless steel) \\ \end{tabular} } & Model VCE 200, \begin{tabular}{c} \\ _Mustifric_ \\ \end{tabular} & \multirow{2}{*}{\begin{tabular}{c} 26.6 \(\times\) 10\({}^{3}\) \\ (polished stainless steel) \\ \end{tabular} } & \multirow{2}{*}{\
\begin{tabular}{c} / \\ 3.83 \\ \end{tabular} } & \multirow{2}{*}{
\begin{tabular}{c} / \\ / \\ 25 °C, \\ 50\% \\ \end{tabular} } \\ \cline{3-3}
[113] & / & 24 & \begin{tabular}{c} Designed for the study \\ using a desicction (gas) \\ \end{tabular} & 60 \(\times\) 10\({}^{3}\) & / & 4.04 & / & 0.250 & 1.01 & 50\% \\ \cline{3-3}  & & 0.044 & \
\begin{tabular}{c} μ-CTE, Markos \\ (stainless steel) \\ \end{tabular} & 0.267 \(\times\) 10\({}^{3}\) & / & 4.2-8-5.06 & / & 6.07 & 26.1-30.7 & \\ \hline  &
\begin{tabular}{c} EN777-1-1 [115] \\ \end{tabular} & 225 & (Stainless steel) & 0.225 & / & / & 0.1-0.3 & 1 & 1 & 23 °C, \\ \cline{3-3}
[114] & ASTM D6007-02 & 1000 & (Aluminum) & 4.84 & / & / & 2-5 & 0.43 & 2 & 24 °C, \\ \cline{3-3}  & &
\begin{tabular}{c} EN77-2-1 [117] \\ \end{tabular} & 4 & (Glass) & 0.02 & 1 & / & / & / & 60 & 50\% \\ \hline
[118] & / & 30 & / & 0.588 &
\begin{tabular}{c} \(15\times 10^{3}\) or \\ \(30\times 10^{3}\) \\ \end{tabular} & / & / & / & 19.6 & 0.5 or 1 & 23, 35, 50, 60 or 50\% \\ \hline
[119] & / & 60 \(\times\) 10\({}^{-3}\) &
\begin{tabular}{c} MOMSC \\ (Glass) \\ \end{tabular} & 0.0017 & / & / & / & / & / & 23 °C \\ \hline
[230] & / & 800 & (stainless steel) & / & / & / & / & / & 40, 60, 60 \\ \cline{3-3}
[211] & / & 0.044 &
\begin{tabular}{c} μ-CTE, Markos \\ (stainless steel) \\ \end{tabular} & / & / & / & / & / & 80\% \\ \hline
[122] & ENV 13419-1 [12] & 1000 & Glass & / & 1 & 0.1-0.3 & 1.5-1 and 1.35 & / & \\ \hline
[124] & ISO 16000-9 [125] & 50.9 &
\begin{tabular}{c} CLMAP, Circles \\ (glass, stainless steel, and aluminum) \\ \end{tabular} & 0.099 & / & 0.16 & / & 1.96 & 0.3 & 23 °C, 50\% \\ \hline
[236] & ISO 16000-10 [27] & 0.035 &
\begin{tabular}{c} FPLC, Circles \\ (stainless steel) \\ \end{tabular} & 0.0177 & / & 0.0106 & / & 506 & 514 & \\ \hline \multicolumn{7}{c}{/ unspecified information.} \\ \end{tabular}
\end{table} 
Table 4: Examples of emission cells used in studies and associated parameters.