· The Department sought comments on the exposure draft of the Risk Assessment Guidance Manual: for chemicals associated with coal seam gas www.doorway.ru purpose of the Guidance Manual is to provide targeted methods for assessing the risks of chemicals used in coal seam gas operations in Australia and to provide a consistent and transparent approach to . We do this by undertaking environmental risk assessments (ERAs) to determine the environmental impact of industrial chemicals when they are used as intended. ERAs estimate the level of risk a chemical can have on our environment at each stage of its life cycle. The Guidance Manuals used by the Department for environmental risk assessments provide an overview of: the steps taken to carry out an environmental risk assessment on industrial and agvet chemicals, including lifecycle considerations what .

1. Completing an environmental site assessment 2. Performing a risk assessment 3. Selecting and implementing a remedy 4. Conducting long-term oversight, as necessary Decisions on how to remedy a site in the VRP are made based on risks the site may pose to human health and the environment. RISK ASSESSMENT OF HAZARDOUS CHEMICALS When carrying out chemical risk assessment, several questions need to be asked: 1. What potential exposure may occur? • Use chemical inventory, consider all persons who may be affected. • Review PPE in use to make sure it is appropriate. • Review environmental controls to ensure they are adequate. 2. approach for both the human health risk assessment and environmental risk assessment of DBPs. Several member states (MS) have participated in this process and given their input. An initial document was presented at TMIV The main conclusion was that there were insufficient data available in the dossiers to assess the risks of DBPs following.

Included in this Guidance Manual are RBRGs for soil and groundwater protective of human health for 54 chemicals of concern. The RBRGs have been designed to protect the health of people who could potentially be exposed to land impacted by chemicals, under four broad post-restoration land use categories. They are. Hazard Assessment. OECD works with member countries and other stakeholders to cooperatively assess the hazards of industrial chemicals to generate OECD-agreed assessments that are available to the public and that can be used for priority setting, risk assessment and other activities within national or regional programmes. Exposure Assessment. RISK ASSESSMENT OF HAZARDOUS CHEMICALS When carrying out chemical risk assessment, several questions need to be asked: 1. What potential exposure may occur? • Use chemical inventory, consider all persons who may be affected. • Review PPE in use to make sure it is appropriate. • Review environmental controls to ensure they are adequate. 2.