Laserfiche WebLink
AECOM Environment <br /> Figure 2.4 Schematics of tracer gas applications <br /> enclosure` to purge pump <br /> inert tracer gas \\lr <br /> (s <br /> sample probe <br /> a _ <br /> hydrated bentoNte plastic sheeting sealed <br /> surface seal <br /> softgasket arcrund edges <br /> {d) <br /> endosure` to purge pump <br /> inert(4soft <br /> sample probe <br /> hydrated bentonite <br /> surface seal (b) <br /> Inert tracer gas to purge pump <br /> trader released <br /> under plastic r <br /> sample probe <br /> hyMated be" to ~plsstk sheeting sealed <br /> surface sal around edges <br /> (C) <br /> nM: during the introduction of traces gas, <br /> measures should be taken to maintain ambiant air <br /> pressure within the enclosure <br /> April 2010 <br />