In a study carried out by Huffman et al.
(2000) water treated with pulsed light at 0.25 J/cm2 (flow rate
15.41 l/min) gave a reduction of >7.4 log10 cfu/ml for Klebsiella
terrigena after two pulses. These results show that transparency of
the media allowed successful microbial inactivation using this
technology.