New Source Performance Standards (NSPS)

Refinery Audits

WREG conducted compliance audits at two regional refineries. The audits covered 40 CFR 60, New Source Performance Standards (NSPS), and 40 CFR 61 and 63, National Emission Standards for Hazardous Air Pollutants (NESHAP). The scope included Leak Detection and ...


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Petroleum Storage Tank Regulations: Permitting, Inspections, and Compliance

One of WREG’s Principals has developed considerable expertise in the air quality regulations affecting petroleum storage tanks at refineries and bulk terminals, including both internal and external ...


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Oil and Natural Gas Industry Guidance and Training

At the request of the Colorado Air Pollution Control Division (APCD), WREG prepared an air quality guidance document for use by the oil and natural gas industry ...


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Malt Beverages

WREG’s Principals have provided air quality assistance to a major malt beverage manufacturer since the early 1990s. With facilities around the country, including major facilities in Colorado, projects have included: Construction permit for a modification of brewlines and associated equipment. ...


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Continuous Emission Monitors Quality Assurance Plans

WREG prepared quality assurance (QA) plans for the continuous emission monitors (CEMs) at a refinery. Plans were prepared for sulfur dioxide (SO2), nitrogen oxides (NOx), carbon monoxide (CO), hydrogen sulfide ...


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Colorado Refining Company/Suncor Energy (USA) Inc.

WREG personnel provided air compliance, permitting, and training support to the Colorado Refining Company (CRC) from 1995 to 2005. Following the purchase of CRC’s Denver refinery by Suncor Energy (USA) Inc. ...


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