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Landfills and waste water treatment plants as sources of ... - GKSS

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STUDY 2: WASTE WATER TREATMENT PLANTS AS SOURCES<br />

c<br />

a<br />

d<br />

b<br />

Figure 21: Concentrations (pg m -3 ) <strong>of</strong> ionic PFCs in particle-ph<strong>as</strong>e samples taken at two WWTPs WA (a) <strong>and</strong><br />

WB (b) <strong>and</strong> at the corresponding reference sites (b, d). Sampling periods: 0.4.08.-11.08.2009 (WA) <strong>and</strong> 20.08.-<br />

27.08.2009 (WB). Samples WA1, RF1, WB2 <strong>and</strong> RF12 were not analysed because <strong>of</strong> breaking <strong>of</strong> me<strong>as</strong>urement<br />

vials during centrifugation. WB4 is

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