Toxicity Factors

Imagine you are detasseling and a toxic cloud is dumped upon you by a crop-duster who didn't realize you were there. Or you get sprayed by Roundup because the wind is variable and you are doing spray work on an open tractor in the field? What's an acceptable level of chemical risk? That's the question that you need to consider as we do the activity on Wednesday. Here are the concerns:

Human health and toxicity

• · acute effects: symptoms that appear within 24 hours
• · chronic effects: long-lasting symptoms as a result of exposure
• · epidemiology: how diseases are controlled and transmitted from one individual to another
• · transmissible disease: something that is contagious
• · risk analysis: process of defining and identifying potential problems
• · risk assessment: a step in risk management that tries to figure the probability of an event happening and the resulting
• · risk management: the entire process of assessment and analysis

We will be studying the case of Ecotourism found here and here