Before revision: It addressed the issue by using quantitative risk assessment, declaring that if a carcinogenic food additive was present at a concentration of less than 1 part in 1,000,000, the risk was negligible.
After revision: It addressed the issue by using quantitative risk assessment, declaring that if a carcinogenic food additive increases the excess lifetime cancer risk by less than 1 additional cancer case in 1,000,000, the risk was negligible.