Obut PCA method is not employed.ur company ABITEC, s.r.o. uses bacteria for degradation and biotransformation of oil hydrocarbons, chlorinated hydrocarbons, PCDD/Fs, PAHs, BTEX, organic acids, aldehydes, alcohols and many more in full scale projects in the Czech Republic, The Netherlands, Sweden, Slovakia... Monitoring of pollutant degradation is performed by various methods