GeoTechnical Assessments

EPA NEWS FEED

• 600R23375L Integrated Science Assessment for Lead Appendix 1: Lead Source to Concentration January 2024
• 600R23375M Integrated Science Assessment for Lead Appendix 11: Effects of Lead in Terrestrial and Aquatic Ecosystems January 2024
• 635R03011 Summary Report for the Screening-Level Review of Toxicity lnformati·on Contained in the Integrated Risk Information System {IRIS) Databa~e – Phase Ill
• 420D26001 Revision of Tier 4 Criteria Pollutant Standards, Part 1: Amendments to Phase-In Schedule for Light-Duty and Medium-Duty Vehicles. Draft Regulatory Impact Analysis
• 420F26009 EPA Delays Unattainable Biden-era Tier 4 Criteria Pollutant Standards for Light-Duty and Medium-Duty Vehicles

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