POLYCYCLIC AROMATIC HYDROCARBONS (PAHs) DETERMINATION IN GROUND WATER AND SURFACE SOILS OF MORGAH RAWALPINDI BY GAS CHROMATOGRAPHY (GC)

Abstract

In the present study concentrations four polycycl ic art)lnatic hydrocarbons naphthalene, acenaphthene. phenanthrene. and anthracene svere analvzecl in eround svater and soil. Samples xsere extracted and analyzed by gas chromatograph. Total P Is concentra t ion ran ees and 5 1 to 1 54() nu,/L in a ter stun p les. I •he positional profile of PAI Is revealed that in stun p!es, Surface soi l sainples (()-6 cm) fronl nine stun pli102 points and conunercial areas and fiortv-six 2round ater san) ples ere taken Croni boreholes darino J anuarv 20 1 0 and characterized for physicochemical paranwters. The relationship of PAH.s concentrations svith total o roanic carbon ( has been investieated. A positive correlation as observed bet een / \ I Is and total oreanie carbon ). [he results revealed that partitioned in oruanic nnatter is pos'>iblv the cloniinanl of P ,\ i Is. 'l'he toxic equivalency factors to potential benzo[alpyrene-equivalent concentration (13aPeq). I-lighcr carcinogenic potency of indicates hi211 deeree of risk to the people exposed to these areas. 'Pox ic equi v ale llc.v (actor ran hich shoxvs no till biological ef112cts in ater. Che levels of P Al Is ifl the surtåce

refine ry adj acent a reas.