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New Arizona Stormwater Permit Effective January 1, 2020

The 2019 Arizona Multisite General Permit (MSGP) replaces ADEQ’s 2010 Non-Mining and Mining MSGP; the 2019 MSGPs became effective on Jan. 1, 2020. Existing permittees (those who have coverage under the 2010 permit(s)) have between Jan. 1, 2020, and Feb. 28, 2020, to...

Soil-Groundwater Investigation In Minneapolis-St Paul Area

Caltha LLP Project Summary Project: Phase II Environmental Investigation For Commercial Site Redevelopment Client: National Retailer  Location(s): Minneapolis - Saint Paul Area, Minnesota Key Elements: Phase 2 Site investigation, Groundwater sampling, Soil sampling...

Phase 1 Environmental Assessment In Cedar Rapids, Iowa

Caltha LLP Project Summary Project: Phase 1 Environmental Assessment Client: Commercial Location(s): Cedar Rapids, IA Key Elements: Phase 1 environmental site assessment, ASTM 1527, soil vapor intrusion risk screening Overview: Caltha LLP conducted a Phase 1...