Stay informed with industry news, regulatory & management requirement updates and featured Caltha project summaries.
The Iowa Department of Natural Resources general permit for industrial stormwater water discharges was revised in 2018 and the new permit became effective on March 1, 2018. The revised permit includes additional requirements which apply to those facilities that report...read more
OSHA has amended its existing construction and shipyard standards for occupational exposure to beryllium and beryllium compounds to clarify certain provisions and simplify or improve compliance. These changes are designed to accomplish three goals: to more...read more
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...read more
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...read more
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...read more
Caltha LLP Project Summary Project: Construction Stormwater Permitting, SWPPP & Contractor Training Client: National Home Builder Location(s): Minnesota Key Elements: Stormwater permitting, SWPPP, Inspection training Overview: Caltha LLP was retained by a national...read more