52. The operator must, for each batch of soil and for at least every 100 m3 of contaminated soils accepted, take a single sample with a mass sufficient to make an analysis of all the contaminants among those listed in Schedule III likely to be present in the soils. The results of the analysis must be entered in the operations logbook referred to in section 49 and in the report prepared under section 61.
The logbook must make it possible at all times to locate the batches of soils received to allow sampling to verify their acceptability.