Drinking water containing heavy metals above the maximum permissible limits cause potential risk to human health.
In the storage of Radix Ophiopogonis, browning often happens to cause potential risk with regard to safety.
It has been suggested that the bioaccumulation of Fe2O3 nanoparticles in Bt transgenic and non-transgenic cotton may cause potential risk for environment and human health.
Temperature range in the hot months of May and June is between 35 and 40°C and the month of May records the highest temperatures reaching 45°C causing potential risks to local workers of developing heat-related disorders.
However, some equipment does not have certain designs, and this may cause potential technical risks.
The overall study suggests that foodstuff in the area were contaminated by the assayed metals and long-term consumption can cause potential health risks to consumers.
Vegetables cultivated in contaminated soils take up heavy metals in large quantities enough to cause potential health risks to the consumers [7 10, 12].
A rate of 30% or less of sludge application showed positive growth effects for all five landscape plants, and did not cause potential ecological risks of heavy metals to landscape soils.
However, the addition of food-chain sources of PCBs was necessary to cause potential cancer risk to exceed 10 -6).
