In other words, situations might justify a trend reversal when values reach 50% of the standards (in case of high aquifer vulnerability) whereas values higher than 75% could be accepted in cases where the risks of exceeding the quality standards are unlikely.
Chun é a rá i bhfocail eile, d’fhéadfadh údar a bheith ann le haisiompú treochta i staideanna ina sroicheann luachanna 50% de na caighdeáin (i gcás ardleochaileacht uiscíoch) ach d’fhéadfaí glacadh le luachanna níos airde ná 75% i gcásanna nach cosúil go bhfuil baol ann go rachfar thar na caighdeáin cháilíochta.