Which ones are relatively clean and which ones you need to check the label. Why going organic may not avoid the problem, while careful sourcing or substituting with a similar fruit or veg sometimes will.
theguardian.com/environment... and more about the analysis by Consumer Reports theguardian.com/environment...
Astra Zeneca - no proof it causes blood clots
Howard's Salad Dressing
Cll and hives all of a sudden. 
Robinsons \"Fruit & Barley\" contains grapefruit
