• Mohammad Hussain Khajjak

• Abdul Hameed Baloch

• Muhammad Saeed

• Muhammad Naeem Shahwani

• Syed Asmatullah Taran

• Muhammad Sharif Kakar

Abstract

With increased automobile population the emission of pollutants have increased mmanifold in Quetta city. Lead is one of many pollutants present in automobile emissions. The objective of present study was to investigate the bioabsorption of lead in Quetta pine pinus eldarica growing around different road side locations in quetta city. Tempo-spatial distribution of pb (lead) emitted from vehicular exhaust in relation to different aerial parts of Pinus eldarica found at road side in Quetta city, was analyzed up to six months without any interval at five different stations. It has been found that the Jinnah road site is seriously affected stations. A close persula of data showed that cantonment and Balochistan University Campus are least polluted while the A Zargeen Road and Sariab Roa go parallel to each other. It has been noted that the higher concentration of lead is found in soil showing 325ppm in the month of November at Jinah Road followed by leaves showing 266.66 ppm mean in the month of August and then bark showing 200 ppm as highest in the month july.

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