a positive trendp = 0.03
Statistically significant differences between sampling time points were only found for xylenes (including a positive trend p = 0.03 from September 2018 to May 2019). 3.2.
Statistically significant differences between sampling time points were only found for xylenes (including a positive trend p = 0.03 from September 2018 to May 2019). 3.2.