James Hopkins's blog articles
Bisphenol A (BPA) Controversy
Blog articles
It is a truth not always recognised that toxicological hazard and risk assessment as currently practiced is a ball-park science, and a health criteria value – a Tolerable Daily Intake (TDI), a Permitted Daily Exposure (PDE) or similar – quoted to 2 significant figures is probably one significant figure more than the data really can confidently support. Occasionally practitioners will let the mask slip...