A biological hazard is one originating from an organism that is foreign (in presence or concentration) to the organism being affected. Many biological hazards are associated with food, including certain viruses, parasites, fungi, bacteria, and plant and seafood toxins.hree people crossing the Atlantic in a rowboat face a hazard of drowning... Three hundred people crossing the Atlantic in an ocean liner face the same hazard of drowning... The risk to each individual per crossing is given by the probability of the occurrence of an accident in which he or she drowns...
The best soil mix for your container-grown vegetables is one that is well-drained, well-aerated and has a pH that is close to neutral. Soil-containing or soilless potting mixes offer all of these features.
Soil or Growing Medium for Potted Herbs. Herbs grown in pots or containers require a well draining potting mix or an organic enriched peat or coco coir based soilless mix. Just digging up some dirt from your outdoor garden and throwing it into a pot is the surest way to fail when growing herbs in containers.