Results of PCR for lacZ and uidA genes were similar in all of standard, operational and artificial samples and showed the 876 bp and 147 bp bands of lacZ and uidA genes by multiplex PthCeR .t oPtCaRl erxeesuculttsi owne rtiem ceo,n wfiirtmh ead sbuyc cMePsNsf cuul lctuhraen gmee othf ofda cbtoyr sse, nwsaitsi vrietdy u8c6e%d ( 9to5% le CsIs: 0th.7a1n- 0tw.9o3 ).a nAdls oa half hour.