User:Luhizi/Pesticide Residue workspace

Pesticide Residue Outline:

Pre-Existing Structure of Wiki Stub:

Intro: (brief)

Pesticide residue stipulations by country:

European Union New Zealand United Kingdom United States

Proposed Structure:

Introduction:

Update explanation of pesticide residue
ways people come in contact with it.
Why pesticide use is important and what are some of the concerns with coming to contact with its residues.
Some of the common residues found

Pesticide residue by country

Keep information on different regulations.

Maximum Residue Levels (MRLs) set by the EU

MRL in New Zealand

MRL in UK

MRL in the US

Assessment methods

Difficulties with assessment

Differences in periods and levels of exposure.

Types of pesticides used

environment pesticides are used in i.e weather, landscape

Tissue residue approach

used to infer mechanisms of toxic action

Evaluate toxicity of mixtures

limitiations

The four step process for human health risk assessment used by the EPA

Hazard Identification

Dose-Response Assessment

Exposure Assessment

Risk Characterization

Pesticide residue and impact on health:

Effects of pesticide depend on

Txicity of the pesticide

measures taken during application

Dosage applied

Weather conditions

Duration of persistence in the environment

transformation into other compounds

Occupational Hazard

close contact with concentrated pesticides

methods of applying pesticide

Contact through food and water

Via leaching into soil

spray drift

Non-intentional chemical substances

reaction of chlorine with organic compounds to form “unintended” chemicals

organothiphsophate pesticides and increase of choline-esterase inhibitory activity.

chlorophenols

Polynuclear aromatic hydrocarbons

Implications in cancer.

Implications in neurological disease.