so for andrew mccallum ski the colorectal cancer the hundreds of studies on the dangers of nitrites none of it exists off you go nothing to do with it. in the united states it's thanks to scientists like neil county that the meat industry has been able to cut another notch in its belt. surprisingly in the health conscious state of california. this imposing building is home to the state cabinet level california environmental protection agency. we have an appointment with sam dell sent deputy director for external and legislative affairs. to show us a document that doesn't exist in any other american state with a shell or not. and. so me. so this is the lists yes it's a list of substances judged dangerous to man by the state of california. to do business here manufacturers are banned from using these substances or they are obliged to warn consumers and it's very restrictive because there are over eight hundred products on the list so good example that would be tobacco smoke entirely and there's other things like as benzene that would be something you know we have come in things like exhaus