CALTHA NEWS
Stay informed with industry news, regulatory & management requirement updates and featured Caltha project summaries.
Four New Categories Of Conditionally Exempt Air Emission Sources Proposed
Minnesota Pollution Control Agency (MPCA) is proposing to adopt amended air quality rules within “exempt source/conditionally insignificant activities rules” to clarify permit requirements for small sources of air emissions and update rules governing the treatment of...
read moreKey Changes To Proposed MPCA Construction Stormwater Permit
The Minnesota Pollution Control Agency (MPCA) has issued a draft NPDES/SDS permit to control pollution generated from runoff associated with construction activities discharging into waters of the State of Minnesota.The draft permit will replace the current general...
read moreReassessment of Metolachlor – Revised Human Health-Based Water Guidance
The Minnesota Department of Health (MDH) has completed a reevaluation of the existing water risk guidance for the metolachor, a widely used as an herbicide. The review included re-evaluation of the available data for existing health-based guidance values for...
read moreREACH, ROHS, Prop 65, Conflict Minerals, Biocidal Products Compliance Certification
Caltha LLP Project Summary Project: Certification of REACH, ROHS, Prop 65, Conflict Minerals, Biocidal Products Compliance Client: Component Manufacturer Location(s): Minnesota Key Elements: EU Chemical Regulations, California Proposition 65 Labeling, Conflict...
read morePhase 1 Environmental Assessment In Saint Cloud, Minnesota Area
Caltha LLP Project Summary Project: Phase 1 ESA For Residential Development Client: Prospective Buyer Location(s): Saint Cloud, Minnesota Area Key Elements: Phase 1 Site investigation, Tier I Vapor Encroachment Screening Assessment, ASTM E2600-10 Overview: Caltha LLP...
read morePhase 1 and Phase 2 Environmental Investigations in Minnesota, Iowa, Wisconsin
Environmental Assessments In Minnesota, Wisconsin and Iowa Caltha LLP provides rapid response Phase 1 Environmental Site Assessment and Phase 2 Environmental Assessments for clients across Minnesota, Iowa and Wisconsin. Abandoned Chemical Drums Found During Phase 1...
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