PENENTUAN KADAR LOGAM TIMBAL PADA RAMBUT SUPIR BUS RUTE TANGERANG-PADANG-SURABAYA-YOGYAKARATA DI TERMINAL PORIS TANGERANG
Abstract
ABSTRAK
Latar Belakang : Pencemaran di udara salah satunya dapat disebabkan oleh emisi buangan gas kendaraan yang dapat melepaskan zat timbal ke udara. Salah satu orang yang dapat beresiko terpapar logam timbal adalah pekerja supir bus. Pajanan logam timbal dapat terakumulasi di dalam rambut dan dapat menyebabkan efek toksisitas. Tujuan penelitan untuk mengetahui kadar logam timbal (Pb) pada rambut supir bus di tiga rute berbeda yang berangkat dari Terminal Poris, Tangerang. Ketiga rute tersebut adalah Tangerang-Padang, Tangerang-Surabaya, Tangerang-Yogyakarta.
Metode : Penelitian yang digunakan adalah penelitian eksperimental dengan jumlah korespondensi setiap rute bis sebanyak 8 orang. Penentuan kadar logam timbal pada rambut supir bus menggunakan spektrofotometer ICP-OES.
Hasil : Penelitian ini memberikan hasil bahwa semua sampel rambut supir bus diketiga rute teridentifikasi logam timbal. Kadar logam timbal terbesar pada rambut supir bus rute Tangerang-Padang yaitu 2,28 mg Pb/100 g dengan masa kerja 25 tahun. Sedangkan kadar logam timbal terendah pada rambut supir bus rute Tangerang-Surabaya yaitu 0,17 mg Pb/100 g dengan masa kerja 3 tahun. Berdasarkan uji statistic analisis korelasi diperoleh nilai r = 0,82 mendekati 1 yang menunjukkan adanya korelasi positif yang kuat antara masa bekerja supir bis dengan paparan logam timbal yang terdeteksi.
Kesimpulan : Seluruh supir bus diketiga rute teridentifikasi logam timbal dengan konsentrasi yang berbeda-beda dengan masa kerja yang bervariasi.
Kata kunci : Logam timbal, rambut supir bis, spektrofotometer
ABSTRACT
Background : One of the causes of air pollution is vehicle exhaust emissions which can release lead metal into the air. One of the people who can be at risk to the exposure of lead metal is bus driver workers. Lead metal exposure can accumulate in the hair and can cause toxicity effects. The objective of this research is to determine the level of lead (Pb) in the hair of bus drivers on three different routes departing from Terminal Poris, Tangerang. The three routes are Tangerang-Padang, Tangerang-Surabaya, Tangerang-Yogyakarta.
Methods : The method used in this research is experimental research with 8 correspondences for each of bus route. Determination of the level of lead metal in the bus driver's hair is using an ICP-OES spectrophotometer.
Results : The results showed that all the hair samples of the bus drivers in the three routes were contaminated as lead metal. The largest concentration of lead metal in the hair of bus drivers on the Tangerang-Padang route is 2.28 mg Pb / 100 g with 25 years of working periods. Meanwhile, the lowest level of lead in the hair of bus drivers on the Tangerang-Surabaya route is 0.17 mg Pb / 100 g with 3 years working periods. Based on statistics result corelation analysis showed value r=0,82 approximately 1 indicate positif corellation between working periods and level of lead metal that detected in driver bus body.
Conclusion : The samples hair of the three bus drivers was contaminated with lead metal with different concentrations in various working periods
Keywords : Lead metal, bus driver’s hair, spectrophotometer
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