cornerstone ISN Contractor Safety Management
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What we offer

Cornerstone can help your company with environmental regulatory compliance services for CUPA, LA/OCSD, FD, SCAQMD, CARB, RWQCB, DTSC, EPA; encompassing all facets of air, soil and water, including engineering design, permitting, pollution control, annual monitoring and reporting, Phase I and Phase II investigations, remediation, technical construction, facility closure and demolition, and green technologies. Contact us for a no obligation consultation

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Cornerstone Technologies, Inc.
1650 Ximeno Avenue, Suite 210
Long Beach, CA 90804

Projects >> Our Projects

Our Projects

NeutrogenaNeutrogena Corporation

Upgrade facility wastewater discharge and treatment systems to meet current regulations

PutzmeisterPutzmeister, Inc.

Aboveground wash pad and wastewater oil water separator

PT. Mugu Naval BasePT. Mugu Naval Base

Construction storm water BMP Installation

Cirecle Marina CenterCircle Marina Center

Shopping center seismic retrofit

California State UniversityCalifornia State University

Sewer and water pipeline installation

Superior IndustriesSuperior Industries, Inc.

Soil remediation project and closure through LAFD

Long Beach TransitLong Beach Transit

RWQCB groundwater investigation and monitoring well installation

XL CleanersXL Cleaners

Vapor extraction pilot testing and closure of drycleaner

Santa Ana PlatingSanta Ana Plating

Preliminary endangerment assessment, subsurface investigation workplan, and remedial action plan

Foamex InternationalFoamex International

Air Pollution, design, engineering, permitting, construction and monitoring

City of MontebelloCity of Montebello Transit Facility

Groundwater and soil investigation underground storage tank release

ToyotaToyota

Completely aboveground gasoline high volume fueling system

HeinzHeinz

Demolition over water of pier and pilings under army corps of engineers

Foamex InternationalFoamex International

Polyurethane plant facility closure, asbestos abatement, hazardous materials removal and equipment demolition and salvage