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  • Title: Arsenic levels in blood, urine, and hair of workers applying monosodium methanearsonate (MSMA).
    Author: Abdelghani AA, Anderson AC, Jaghabir M, Mather F.
    Journal: Arch Environ Health; 1986; 41(3):163-9. PubMed ID: 3740956.
    Abstract:
    Uptake and excretion of total arsenic from monosodium methanearsonate (MSMA) in workers who applied the herbicide was followed during the spraying season. Urine, blood, and hair samples were collected and air samples were taken from the workers' breathing zone. Arsenic concentrations in air samples ranged from 0.001-1.086 micrograms/m3. Blood and urine arsenic values ranged from 0.0-0.2 mg/L and 0.002-1.725 mg/L, respectively. The geometric mean arsenic concentration in urine increased during the week but returned to base levels on weekends. Hair arsenic concentrations ranged from 0.02-358.0 mg/kg, increased during the spraying season, and returned to pre-season levels once herbicide application ceased. Three workers had higher than normal pre-exposure hair values. However, only one of the three workers had consistently above normal values throughout the study period.
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