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1.1 This guide covers how to conduct, document, and report findings of a lead hazard assessment of dwellings and of other child-occupied facilities.

1.2 Procedures for assessment of personal items, such as toys, dishes, and hobby materials that may contribute to elevated lead levels in blood are not included in this guide.

1.3 Procedures for random sampling of units within dwellings having multiple units are not included.

1.4 This guide contains notes, which are explanatory, and are not part of the mandatory requirements of this guide.

1.5 The values stated in SI units are to be regarded as the standard.

1.6 Methods described in this guide may not meet or be allowed by requirements or regulations established by local authorities having jurisdiction. It is the responsibility of the user of this standard to comply with all such requirements and regulations.

1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

5.1 This guide is intended to help prevent lead poisoning of children by providing standardized procedures for conducting a lead hazard assessment and providing information needed to develop and recommend lead hazard control options as described in Practice E2252.

5.2 This guide is applicable for use in either occupied or unoccupied dwellings and in other child-occupied facilities.

5.3 The procedures in this guide, when supplemented by recommendations for controlling lead hazards, provide for the conduct of a lead risk assessment of a dwelling or of other child-occupied facilities.

5.4 This guide may be used to supplement assessment procedures used to determine the causes of elevated blood lead (EBL) levels in young children.

5.5 Although this guide was developed for dwellings and for other child-occupied facilities, this guide may be suitable for lead hazard assessments in non-residential buildings and other properties following agreement between assessor and client on appropriate lead action levels.

5.6 This guide is not intended for use in identifying building materials that when abraded or otherwise degraded, such as that which may occur in remodeling or renovation activities, may result in lead hazards.

5.7 Lead hazard assessment reports describe lead hazards identified at the time the assessment was performed. The locations, types, or severities of lead hazards can change over time as a result of property improvement or deterioration, significant changes in property use, or other factors.

5.8 This guide is applicable for assisting professionals, homeowners, owners or occupants of rental property, lenders, insurers, and others with a property interest in determining the presence of lead hazards.

5.9 This guide also is applicable for assisting designers of lead hazard mitigation projects to target resources toward lead hazard controls that are deemed most likely to result in the prevention of lead poisoning in young children.