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Table 5 Nitrate concentration (mean) in piezometers and springs in the Bunter sandstone/Lower Triassic (numbers in sample ID indicate the sampling depth in m; 0 = spring)

From: Spring waters as an indicator of nitrate and pesticide pollution of rural watercourses from nonpoint sources: results of repeated monitoring campaigns since the early 2000s in the low mountain landscape of Saarland, Germany

Sample ID Below ground [m] Nitrate [mg/L) % of spring concentration
ba_0 0 59.8  
ba_1.4 1.4 1.7 3
ba_2 2 12.9 22
bb_0 0 47.5  
bb_1.2 1.2 2.0 4
bb_1.9 1.9 9.8 20
  1. Numbers in sample-ID indicate the sampling depth in m
  2. 0 = spring