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Table 1

Operational data from vacuum sewer systems in Germany

 Related to failure at collection chamberTotal system (including maintenance)Operational cost (incl. electricity)
(h/chamber/a)(h/chamber/a)(€/chamber/a)
Average 0.70 4.70 212.64 
Median 0.44 2.96 140.79 
Maximum 2.57 24.0 736.4 
Minimum 0.00 0.10 46.3 
Number of systems (n = 47) (n = 46) (n = 22) 
 Related to failure at collection chamberTotal system (including maintenance)Operational cost (incl. electricity)
(h/chamber/a)(h/chamber/a)(€/chamber/a)
Average 0.70 4.70 212.64 
Median 0.44 2.96 140.79 
Maximum 2.57 24.0 736.4 
Minimum 0.00 0.10 46.3 
Number of systems (n = 47) (n = 46) (n = 22) 
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