Abstract
Per- and poly-fluoroalkyl substances (PFAS) and Total Chromium (Cr) in surface waters are polluting factors that can directly or indirectly affect human and animal health. These are conjunctly used in several manufacturing activities such as electroplating, stainless steel welding, leather tanning and the production of electronic components. In this paper we present a study based on the use of the Principal Component Analysis (PCA) statistical technique to explore emission sources of PFAS and Cr in surface water samples taken from a polluted area in Northern Italy. It has been found that the discriminant factor is the link between PFBS and Cr. It is due to electroplating, and stainless steel welding activities. No other links were found between Cr and other PFAS. This information is important both for risk assessment and forensic activities.
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