232 Articles found
Trinity Consultants Articles
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Federal PSD/Title V Stationary Source Permitting Exclusion of Nonroad Engines
The PSD and Title V programs derive their applicability based on the aggregate air emissions from on-site equipment at each facility. Many railyards operate small combustion equipment such as gasoline-powered welders, compressors, and generators. ...
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Comparison of Two Dispersion Models: A Bulk Petroleum Storage Terminal Case Study
In 65 FR 21506 (dated April 21, 2000), the United States Environmental Protection Agency (U.S. EPA) proposed revisions to its air dispersion modeling guidance, found in 40 CFR 51, Appendix W (“Guideline on Air Quality Models”) that included ...
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Pyrotechnics And The VEXDAM Man
A computer program has been evaluated for calculating the effects of ignition of explosives, propellants or pyrotechnic compositions on structures or people. The program is called Vapor Cloud Explosion Damage Assessment Model and it now includes the ...
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Explosion Modeling And Damage Assessment Software
This article will briefly discuss the potential for industrial explosions. It will outline the steps in using one particular type of explosion modeling software called BREEZE® HEXDAM and VEXDAM that is used to predict the human and structural ...
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Proposed Revised Guidelines for the DOE 1605(b) Registry
Introduction On December 5, 2003, the Department of Energy proposed revisions to the DOE 1605(b) registry, which is a voluntary, national greenhouse gas (GHG) i registry. The registry was originally established through Section 1605(b) of the Energy ...
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`A Case Study in Implementation of the NESHAPs for the Portland Cement Industry at a Major Source,` appeared in Cement Americas magazine, July/August 2003
Introduction Located at 40 CFR 63, Subpart LLL, the Portland Cement (PC) MACT standard poses a significant regulatory hurdle to the cement industry-Facilities subject to its requirements had to complete initial performance testing and develop their ...
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A Case Study in Implementation of the National Emission Standard for Hazardous Air Pollutants for the Portland Cement Industry at a Major Source
The regulations at 40 CFR 63, Subpart LLL are commonly known as PC MACT because the rule establishes the maximum available control technology for hazardous air pollutants (HAPs) from portland cement plants in the United States. There are 188 HAPs ...
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Significance of a CALPUFF Near-Field Analysis
Historically CALPUFF air dispersion modeling has been a useful tool for determining ambient concentrations, regional haze, and deposition in Class I areas for Prevention of Significant Deterioration (PSD) applications. Until recently, CALPUFF has ...
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ASP-Based EMIS Implementation
Introduction Today, environmental managers faced the increasing responsibility of implementing and documenting an Environmental Management System (EMS) to demonstrate regulatory compliance. In addition to satisfying regulatory agencies, public ...
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`Climate Change Strategies: Business Reputation and Risk Management,` presented at the 2003 Electric Utilities Environmental Conference, January 2003
Reputation What defines an entity’s reputation? Ethics and morality Organizational purpose Leadership and vision Knowledge and skills Product quality Transparency: Financial Environmental Social Environmental Business Risk ...
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Developing and Implementing a Successful Environmental Compliance Management System for the Western States Petroleum Association (WSPA) Refineries in Washington State
As the number of environmental regulations and operating requirements included within operating permits for refineries continue to grow, many environmental managers have opted to implement environmental data management systems. This case study will ...
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Performing CALPUFF Analyses with Pseudo-station Data Derived from MM5 Data
The U.S. Environmental Protection Agency (EPA) recommends that CALPUFF be used as the preferred model for long-range transport analyses in the proposed “Guideline on Air Quality Modeling” (April 2000). In practice, CALPUFF has been routinely ...
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Cumulative Air Quality Impact Assessments - A Case Study
Introduction Deregulation across the country has resulted in the proposal of hundreds of new power plants within the last several years. Each power plant, individually, is required to demonstrate conformance with state and federal air quality ...
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`Measure Environmental Performance,` published in Pollution Engineering, August 2002
Measuring Environmental Performance In a corporate climate that embraces the adage that “what matters gets measured,” the ability tomeasure and evaluate environmental performance allows environmental staff to demonstrate thevalue of its ...
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`Utilizing Compliance Management Solutions to Implement an Effective SSM plan,` published in Chemical Engineering Progress, August 2002
Section 112(d) of the Clean Air Act, as amended in 1990, mandates EPA to regulate HazardousAir Pollutants (HAPs) for a variety of source categories. The intent of these regulations is torequire affected major sources to apply the Maximum Achievable ...
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`Climate Change and Visibility-Related Issues for 2002,` published in Environmental Protection, February 2002
Global Climate Change In March 2001, the Bush administration announced that it found the Kyoto Protocol fatally flawed with respect to American interests and, consequently, the U.S. would no longer participate in the implementation negotiations. ...
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Climate Change and Visibility-Related Issues for 2002
Issues related to climate change and visibility rank as high priorities on the environmental management agenda for 2002. The following article will forecast key regulatory issues such as global climate change, NOx budget developments, and regional ...
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`Understanding and Adapting to New Dispersion Models,` published in the Oregon Insider, December 2001
The U.S. Environmental Protection Agency (EPA) has proposed revisions to its air dispersion modeling guidance1 ("Guideline on Air Quality Models", or simply "Guideline"), found in 40 CFR 51 Appendix W.2 These revisions, once finalized, will create ...
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Utilizing Compliance Management Tools to Simplify the Title V Compliance Certification Process
One of the primary objectives of the Title V operating program established by the 1990 Clean Air Act Amendments (CAAA) in 40 CFR Part 70 is to assimilate in one document all of the requirements to which a facility is subject. Through certification ...
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Understanding and Adapting to New Dispersion Models
The U.S. Environmental Protection Agency (EPA) has proposed revisions to its air dispersion modeling guidance1 (“Guideline on Air Quality Models”, or simply “Guideline”), found in 40 CFR 51 Appendix W.2 These revisions, once finalized, will create ...