EPA Significant Policy Documents are non-regulatory statements of general applicability. Certain thresholds must be met to be significant. See https://www.epa.gov/laws-regulations/definitions-guidance-documents#guidance.
Documents are divided into categories: Air, Chemical Safety & Pollution Prevention, Land and Emergency Management, Science and Water. See https://www.epa.gov/laws-regulations/significant-guidance-documents-environmental-topic.
Below is a sample search limited to .org sites for information on lead paint. This can be an effective way to find reports from NGOs on an environmental topic.
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