Balıkesir (Türkiye) Savaştepe Kuyu ve Musluk Suyundaki Ağır Metal Düzeyleri (As, Cd, Hg, Pb, B): ICP-MS Tabanlı Bir Risk Değerlendirmesi

Öz

Ağır metal kirliliği, özellikle tarımsal, evsel ve madencilik faaliyetlerinin örtüştüğü bölgelerde giderek artan bir çevresel sorundur. Bu çalışmada, Türkiye, Balıkesir'in Savaştepe ilçesindeki kuyu ve musluk suyundaki arsenik (As), kadmiyum (Cd), cıva (Hg), kurşun (Pb) ve bor (B) konsantrasyonları değerlendirilmiştir. Çeşitli yerlerden toplanan yirmi örnek, APHA ve USEPA protokollerine uygun olarak endüktif olarak eşleştirilmiş plazma kütle spektrometrisi (ICP-MS) kullanılarak analiz edilmiştir. Örnekler HNO₃/H₂O₂ ile sindirilmiş, 4 °C'de saklanmış ve mükemmel doğrusallığa (R² ≥ 0,999) sahip 10 ila 500 ppb arasında değişen kalibrasyon eğrileri kullanılarak miktarları belirlenmiştir. Tespit sınırları (LOD) ve miktar belirleme sınırları (LOQ), 3 ve 10 sinyal-gürültü oranları kullanılarak hesaplanmış ve LOQ'nun altındaki değerler LOQ/2 yöntemi kullanılarak istatistiksel olarak ele alınmıştır. Metal konsantrasyonlarında belirgin mekansal değişim gözlemlendi. Kuyu suyunda musluk suyuna kıyasla belirgin şekilde daha yüksek As, Pb ve B seviyeleri görüldü. Ortalama konsantrasyonlar 2489,20 ± 3270,43 ppb (As), 13,99 ± 20,46 ppb (Cd), 0,0135 ± 0,0000 ppb (Hg), 597.387,42 ± 1.596.240,46 ppb (Pb) ve 12.083,32 ± 12.913,85 ppb (B) idi. Birkaç kuyu örneği, özellikle As, Pb ve B için WHO (2022) ve USEPA (2024) kılavuz limitlerini aştı ve bu durum jeolojik kaynaklar, hidrojeokimyasal seferberlik ve yakındaki madencilik faaliyetlerinden etkilenmiş olma ihtimali yüksek olan ciddi kirlenmeye işaret etti. Genel olarak, bulgular önemli bir halk sağlığı endişesini vurgulamakta ve Savaştepe'de sistematik izleme ve azaltma stratejilerine duyulan ihtiyacı vurgulamaktadır. Bu çalışma aynı zamanda gelecekteki çevresel değerlendirmeler için ilçe düzeyinde değerli temel veriler sağlamaktadır.

Anahtar Kelimeler

• Arsenik
• Ağır metaller
• ICP-MS
• Su kirliliği
• Savaştepe (Balıkesir)

Destekleyen Kurum

Türkiye Bilimsel ve Teknolojik Araştırma Kurumu

Proje Numarası

TUBITAK 2209-A Project No: 1919B012448883

Etik Beyan

Bu araştırma çalışması, araştırma ve yayın etiği kurallarına uygundur.

Heavy Metal Levels (As, Cd, Hg, Pb, B) in Well and Tap Water from Savaştepe, Balıkesir (Türkiye): An ICP-MS Based Risk Assessment

Öz

Heavy metal contamination is an increasing environmental and public health concern, especially in regions where agricultural, domestic, and mining activities overlap. This study evaluated arsenic (As), cadmium (Cd), mercury (Hg), lead (Pb), and boron (B) concentrations in well and tap water from the Savaştepe district of Balıkesir, Türkiye. Twenty samples were analyzed using inductively coupled plasma mass spectrometry (ICP-MS) following American Public Health Association and United States Environmental Protection Agency protocols. Samples were digested with HNO₃/H₂O₂, stored at 4 °C, and quantified using calibration curves between 10–500 ppb (R² ≥ 0.999). Detection and quantification limits were determined using signal to noise ratios of 3 and 10, and values below LOQ were treated using the LOQ/2 method. Clear spatial variation was observed, with well water exhibiting higher As, Pb, and B levels than tap water. Mean concentrations were 2489.20 ± 3270.43 ppb (As), 13.99 ± 20.46 ppb (Cd), 0.0135 ppb (Hg), 504.01 ± 240.93 ppb (Pb), and 12083.32 ± 12913.85 ppb (B). Several well samples exceeded WHO and USEPA limits, particularly for As and Pb, indicating contamination likely linked to geological and mining activities. These findings emphasize the need for regular monitoring and mitigation in Savaştepe.

Anahtar Kelimeler

• Arsenic
• Heavy metals
• ICP-MS
• Water pollution
• Savaştepe (Balıkesir)

Destekleyen Kurum

The Scientific and Technological Research Council of Türkiye

Proje Numarası

TUBITAK 2209-A Project No: 1919B012448883

Etik Beyan

This research study complies with research and publication ethics.

Kaynakça

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