Stephen Walls - 4C Conference

Stephen Walls

Stephen Walls
  • PE, Air Permitting Engineer
  • Company: Trihydro Corporation

Manage air regulatory compliance projects including: major and minor source permitting in several US states; emission inventories; ODS inventories; develop emission factors; evaluate/design pollution control equipment; and stack testing.

Manage solid/hazardous waste management projects including: RCRA permitting; regulatory inspection support; waste management audits; biennial reporting; state transportation authorizations; training; and, generator notifications.

Manage storm water management projects including individual and general NPDES permit applications; collection of storm water samples; SWPP Plans and BMP Plans; training; and, preparation of DMR.

Provide project engineering support for wastewater management projects including: domestic wastewater treatment system design, NPDES discharge permitting; land application permitting; pretreatment authorizations/permits; feasibility studies; and, preparation of DMR.

Manage EPCRA compliance projects including: Tier II reporting and Form R reporting.

Provide project engineering support and proposal development for sustainability projects including: biofuel air permitting; GHG/carbon footprinting.

Manage oil pollution prevention projects involving SPCC Plan development.

Manage health & safety compliance projects including: OSHA compliance auditing; industrial hygiene sampling; and development of engineering controls for exposure control.

Manage due diligence projects involving Phase I ESA, merger environmental risk analysis, and environmental compliance auditing.

Assist industrial clients with implementation of environmental management system program elements and tools

Provide project engineering support for soil and groundwater remediation projects.

Goals: Get more involved with sustainability projects involving energy and climate change.

Specialties: Negotiating air permitting strategy with clients and regulatory agencies.

Developing air emission inventory tools.

My Sessions

Privacy Preference Center


These are used to track user interaction and detect potential problems. These help us improve our services by providing analytical data on how users use this site.

_ga, _gid, _gat


These are used to track user interaction, monitor for user requests, and respond to users' actions

__cfduid, __tawkuuid, TawkConnectionTime,

Close your account?

Your account will be closed and all data will be permanently deleted and cannot be recovered. Are you sure?