Tackling the increasing contamination of the water supply by iodinated contrast media

Insights into Imaging

Table 1 Load of iodinated contrast media in the Rhine at Lobith in 2020

	Mean load	Minimum load	Maximum load	Number of observations
	kg/day	kg/day	kg/day	n
Iomeprol	65.3	25.3	175	13
Iopromide	31.4	14.9	85.9	13
Iopamidol	32.5	13.8	47.7	13
Diatrizoic acid	25.9	13.8	73.2	13
Iohexol	38.9	10.3	153	13
Summed daily mean ICM load	194	kg/day
Summed annual mean ICM load	70.9	ton/year

Iodinated contrast media (ICM) mean, minimum and maximum daily loads (kg/day), in 2020, in the Rhine at Lobith, the border crossing between Germany and the Netherlands. Also showing the summed mean daily ICM load (kg/day) and summed annual mean ICM load (ton/year)