Pentachlorophenol and Hexachlorobenzene in Serum and Urine of the Population of Barcelona

Abstract
1 Urinary chlorophenols of the general population of Barcelona, Spain were determined. Pentachlorophenol (PCP: 25.0 ± 3.9 ng/ml; x ± s.e.m., n = 50) and tetrachlorophenol (TCP: 6.2 ± 1.6 ng/ml; x ± s.e.m., n = 25) were found in all samples. 2 Pentachlorophenol and hexachlorobenzene were also determined in serum. Both were present in all samples (PCP: 21.9 ± 1.9 ng/ml; HCB: 11.1 ± 1.1 ng/ml; x ± s.e.m., n = 100). Their concentrations do not show any correlation, suggesting no metabolic relation between them.