Fig. 1
From: Biological and behavioral factors modify urinary arsenic metabolic profiles in a U.S. population
Relations between arsenic concentrations in home tap water and absolute or relative concentrations of arsenicals in urine. Panels a, b, and c show relations between home tap water arsenic concentration and urinary concentration of (a) inorganic arsenic, iAs, (b) monomethylated arsenic, MMA, and (c) dimethylated arsenic, DMA. Arsenic concentrations in home tap water and in urine expressed as parts per billion (ppb, μg per l). For each arsenical, there was a statistically significant correlation between arsenic levels in home tap water and in urine. Panels d, e, and f show relations between home tap water arsenic concentration and percentage of urinary speciated arsenic concentration accounted for by d iAs, e MMA, and (f) DMA. The red line in each panel encloses 95 % of data