Sentence examples for under doubtful from inspiring English sources

There were no water samples under doubtful and unsuitable water class categories during this study.

Remaining 18%% of samples are falling under Doubtful to unsuitable category.

Presence of high bicarbonate concentration renders water samples to fall under doubtful to unfit category.

During wet season, 90% belong to "Excellent" class while only 10% falls under "Doubtful to unsuitable" class.

Most of the samples fall under good to suitable category during pre-monsoon period, but fall under doubtful to unsuitable category during post-monsoon period.

Based on the RSC values 91.11% of groundwater samples fall under good category and remaining 8.82% fall under doubtful category (Table 4).

Only 10%% of the samples (W1, W25, W26) fall under the doubtful to unsuitable limit, which illustrates that the groundwater from these wells are not fit for agricultural usages.

The manufacturer's recommended cut-offs were negative if under 10%, doubtful between 10% and 50% and positive above 50%.

Bold-figures indicate positive results, under-lined figures doubtful results.

As per the water quality classification based on total salt concentration and Na %, 27%% of the samples are very good to good for irrigation, 40%% of the samples fall under good to poor field, 20%% of the samples are grouped under poor to doubtful category, remaining 10%% of the samples form the zone of unsuitability for irrigation (Fig. 5).

Whether such radical change would happen voluntarily seems doubtful under current corporate governance structures, however.