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Table 2 Effect of various biocide treatments on the IMS method test signal

From: Comparing methods of determining Legionella spp. in complex water matrices

Biocide Contact time (min) Reduction in signal for IMS method (%)
Hyplochlorite, 3 ppm 60 99
DBNPA 20% 60 90
Mefacide, 100 ppm 60 5