Air Quality Project
This project will be to develop a document titled A Permit By Rule (PBR) Application for an Interior Surface Coating Facility that will serve as a simulation of our work as a contract environmental engineer to a small vehicle body shop located in the state of Texas.
You have been contracted with a vehicle body repair shop named Texas Car Body Repairs, USA to engineer and write a state (Texas) air permit application for a carefully designed interior lining (painting) facility. According to Texas state laws and EPA laws, the facility must have an air permit before construction begins. Once the facility is completed, the construction air permit will then become the operational air permit for the facility. As a result, your client wants the air permit application to automatically align the interior surface coating facility into operational compliance with state and federal air quality laws. Consequently, it is extremely important for you to write the air permit application to meet the air permit criteria using the state guidance document and considering the equipment and chemicals already planned for the facility operations.
Your client has presented you with the following specifications regarding the facility operations plan:
|
Interior Liner Coating Material |
10 gallons coating/vehicle |
2 gallons of solvent/vehicle |
|
Vehicle Lining Application |
Apply interior liners to two (2) vehicles/day |
Work five (5) hours/day and four (4) days/week |
|
Vehicle Lining Curing |
Cure interior liners of two (2) vehicles/day |
Work five (5) hours/day and four (4) days/week |
|
Interior Liner Cure |
Heater fuel source is natural gas-fired drying oven |
Heater generates 2.1 million (MM) Btu/hr at maximum 2,500 hrs/year |
|
Vehicle Lining Design |
Cross-draft air plenum |
Vehicle interior is the spray area |
|
Exhaust Fan |
10,000 ft3/min (CFM) |
1 exhaust fan |
|
Air Makeup Unit |
5760 ft3/min (CFM) |
1 air makeup unit |
|
Filter Openings |
20.0 ft2 each |
Two (2) filter openings |
|
Coating WV |
VOC content |
2.8 lb/gal coating |
|
Coating VM |
Coating volume |
1.0 gal |
|
Water Content |
Per gal/coating |
1.0 lb/gal |
|
Water Density |
Per gal/water |
8.34 lb/gal |
|
Coating VW |
Water volume |
Calculation |
|
Exempt-solvent Content |
Per gal/coating |
0.5 lb/gal |
|
Exempt-solvent Density |
Per gal/exempt solvent |
6.64 lb/gal |
|
Coating Ves |
Exempt solvent volume |
Calculation |
The client has designed an interior coating spray painting system that allows the interior of a vehicle to be coated (such as for new vehicles, or vehicles being restored after fire damage or other catastrophic interior damage). The operations will involve a stripped-down vehicle body being brought into the facility’s shop. The shop is a steel building with a finished concrete floor and a paint booth for each vehicle. The vehicle will be placed in the spray booth. The booth will be opened at one end of the booth for makeup air. The exhaust air will flow through an exhaust chamber at the other end of the vehicle (see Cross-Draft Automotive Spray Booth in Appendix F of the TCEQ Regulatory Guidance Document). For each vehicle, once the liner application operations are completed the forced curing (drying) operations will immediately commence.
Instructions
1. Closely read the Required Reading assignment from your textbook, Appendix B and Appendix K of the Texas Commission on Environmental Quality (TCEQ) Regulatory Guidance document (Click here to access the document), and the Unit Lesson within the Study Guide. Consider reading the Suggested Reading.
2. Using APA style (title page, abstract page, body with level 1 headings, and a reference page) for a research paper, begin drafting a proposal document. You will add to this document in every unit with another level 1 heading.
First level 1 heading titled “General Considerations for Operation,” and describe the scenario that is presented above. You may find it convenient to present the tabulated information in your General Considerations section of the permit for future reference throughout the rest of the course. This submission (and every submission through Unit VII) needs to be a minimum of at least a one page in length, double-spaced. Comment by Lopezmoron, Heriberto SFC MIL USA [2]: This section is complete not need see attach word doc Comment by Lopezmoron, Heriberto SFC MIL USA: This section is complete
Second level 1 heading titled “VOC and ES Content per Vehicle.
(Describe and demonstrate (illustrate) the calculations for both the VOC and ES weights for this section of your project. Describe and demonstrate the VOC and ES calculations in a minimum one-page, double-spaced document.)
Third level 1 heading titled “Operational Air Emission Rates.” (Describe and demonstrate (illustrate) the calculations for the following for this section of your project: (a) calculating maximum hourly and annual emission rates, (b) emission rate averaged over a five-hour period, and (c) potential to emit. Describe and demonstrate the “Operational Air Emission Rates” in a minimum one-page, double-spaced document.)
Fourth level 1 heading titled “Operational Face and Filter Velocities.” (Describe and demonstrate (illustrate) the calculations for the following for this section of your project: (a) calculate the face velocity and (b) filter velocity of the spray booth in a minimum one-page, double-spaced document. )
Fifth level 1 heading titled “VOC Content minus Water and Exempt Solvents.” (Describe and demonstrate (illustrate) the calculations for the following for this section of your project: (a) calculate the gallons of water in one gallon of coating and (b) pounds of VOC in one gallon of coating (without the water and exempt solvent). This submission should be in a minimum one-page, double-spaced document. )
Sixth level 1 heading titled “Heater and Oven Combustion Emissions.” (Describe and demonstrate (illustrate) the calculations for the following for this section of your project: (a) nitrous oxides (NOx), (b) carbon monoxide (CO), (c) particulate matter (PM), (d) volatile organic compounds (VOC), and (e) sulfur dioxide (SO2) for BOTH hourly emissions (short-term) in lbs./hr. AND annual (long-term) emissions in tons/year. Your response should be in a minimum one-page, double-spaced document. )
Seventh level 1 heading titled “Pollution Control Technologies.” (Select appropriate control technologies to be used in the final exhaust air from the spray booth for the following pollutants: (a) gases and vapors, (b) aerosol particles, and (c) noise levels of 90 dBA at 1,000 Hz. Be sure to defend your suggested engineering controls with literature.)
Eighth (final) level 1 heading titled “Process Flow Diagram.” (Map out the entire process by developing a drawing of the process. You might consider reviewing the drawings located within Appendix G and Appendix J in the TCEQ (2011) document and Figure 10.12 on page 381 of your textbook as good examples of clear and understandable process drawings to help you construct your own Process Flow Diagram.)