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  • (cur | prev) 20:52, 7 May 2019Debra Tabron (talk | contribs). . (357 bytes) (+357). . (Figure 4. Potential Entry Points into Buildings. VOCs can move from sewers and utility tunnels into buildings through a variety of features, for example: A. Dry p-traps; B. Faulty seal on plumbing fixture (e.g., Pennell et al. 2013); and C. French dr...)