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Air & Waste Engineering’s practice encompasses a wide variety of environmental matters including assisting clients with the National Pollutant Discharge Elimination System (NPDES) and state wastewater and storm water permits, Oil Spill Contingency Plans, Spill Prevention Control and Countermeasure (SPCC) statutes, Toxic Substances Control Act (TSCA) compliance, environmental site investigations and remediation, environmental audits and voluntary disclosure, state and local regulatory compliance and administrative proceedings, federal regulatory compliance, governmental and citizen environmental litigation, Title V permitting and New Source Review air permitting. The company advises clients regarding emergency planning relating to chemical accident prevention and SARA Title III (Toxic Release Inventory) compliance matters. The company’s environmental work involves the following areas: National Environmental Policy Act (NEPA), Environmental Protection Agency (EPA), Endangered Species Act (ESA), Resource Conservation and Recovery Act (RCRA), Comprehensive Environmental Response Compensation and Liability Act (CERCLA/ Superfund), Clean Air Act (CAA), Clean Water Act (CWA), and Occupation Safety and Health Act (OSHA). The principal, Bill Smalling, has advanced degrees in law and business. He holds a Bachelor of Science degree in Chemical Engineering and is a Professional Engineer. He has lectured around the U.S. regarding the impact of the Clean Air Act and various proposed Green House Gas statutes on the U.S. petroleum industry.

Air & Waste Engineering, Inc. was founded in February 1991 and has been in operation twenty-five years. The company provides multi-media environmental compliance services and provides a thorough knowledge of state and federal environmental regulations through compliance assistance and auditing. The company is incorporated in the State of Texas. AIR & WASTE ENGINEERING, INC. is registered with the Texas Board of Professional Engineers. (No. F-810).

What We Do

The company performs the following types of projects for industrial plants, refineries, oil and gas facilities, chemical plants, and petrochemical plants: Process design, control equipment design and specification, Title V permitting, air permitting and emissions inventories, air dispersion modeling, environmental audits and inspections, waste and water pollution control.


Air quality experience ranges from identifying air emissions and preparing complete permit applications to helping clients comply with complex regulation requirements. The company principal has continuously been associated with air quality matters for his entire career. Bill Smalling has extensive experience with environmental auditing and has audited thousands of facilities during his career. Company experience includes performing all technical aspects of air quality service including preparation of all air permits and emission inventories, control equipment design and specification, emission testing, air monitoring negotiations with environmental agencies and providing expert witness testimony. Storm water, wastewater, hazardous waste permits, and SPCC Plan experience includes providing environmental consulting and permitting services to clients for the design, construction and operation of hazardous waste storage and disposal facilities, prepares permit amendments, and prepares hazardous waste site closure plans. The company has prepared wastewater permit applications such as National Pollution Discharge Elimination System (NPDES) and wastewater discharge permits. These wastewater permits are usually for clients who require: (1) assistance in the conceptual design of treatment facilities, (2) vendor bid specifications, and (3) aid in the design and construction of wastewater facilities.

Air & Waste Engineering, Inc. has offices in Houston, Texas and serves clients nationwide.

© 2024 Air & Waste Engineering, Inc.
700 Milam Street, Suite 1300, Houston, TX 77002
| Phone: (281) 455-6569
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700 Milam Street, Suite 1300 Houston, TX 77002 | Phone: 281.455.6569