19. Preservation of samples: Every sample collected for the purposes of this Regulation must be preserved in accordance with the method described in Volume 2 of the Guide d’échantillonnage à des fins d’analyses environnementales published by the Ministère.
R.R.Q., 1981, c. Q-2, r. 6, s. 19; O.C. 243-98, s. 7.