## 7 DE Admin Code 1124 "Control ofVolatile Organic Compound Emissions" 8.0 Handling, Storage, and Disposal ofVolatile Organic Compounds (VOCs) 03/11/2011 8.1 Except as provided for in 8.3 of this regulation, the requirements of 8.0 of this regulation apply to any facility that is subjectto any ofthe requirements of 10.0through 50.0 ofthis regulation, and any facilitythatemits at least6.8 kg/day (15 Ib/day) ofVOC before consideration ofcontrols. 8.2 Definitions "Cleanup solvent" means a VOC-eontaining material used to remove any loosely held uncured (i.e., not dry to the touch) adhesive or sealant that is subject to 4.0 of 7 DE Admin Code 1141 from a substrate, or to clean equipment used in applying an adhesive or sealant subject to 4.0 of 7 DE Admin Code 1141. "Electrical and electronic components" means components and assemblies of components that generate, convert, transmit, or modify electrical energy. Electrical and electronic components include, but are not limited to, wires, windings, stators, rotors, magnets, contacts, relays, printed circuit boards, printed wire assemblies, wiring boards, integrated circUits, resistors, capacitors and transistors. Cabinets in which electrical and electronic components are housed are not considered electrical and electroniccomponents. "Flushing" means pumping a solvent from a reservoir through a pipe or hose or through equipment (e.g., pipes, hoses, tanks) to remove contaminants or residue. "Hand-Wiping" means a method ofcleaning a surface by physically rubbing itwith a material such as a rag, paper, sponge ora cotton swab moistenedwith a solvent. "Medical device" means an instrument, apparatus, implement, machine, contrivance, implant, in vitro reagent or other similar article, including any component or accessory that is, (i) intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment, or prevention ofdiseases, or (ii) is intended to affectthe structure oranyfunction ofthe body, or (iii) is defined in the National Formulary orthe United States Pharmacopoeia oranysupplementto it. "Non-manufacturing area cleaning" means the cleaning of cafeterias, laboratories, pilot facilities, restrooms, office buildings, etc. "Medical device and pharmaceutical manufacturing" means medical devices; pharmaceutical products; and associated manufacturing and product handling equipment and material, wor!< surfaces, maintenance tools and room surfaces that are subject to US FDA Current Good Manufacturing/Laboratory Practice, or CDC/NIH guidelinesfor biologicaldisinfection ofsurfaces. "Pharmaceutical product" means a preparation or compound, which includes any drug, analgesic, decongestant, antihistamine, cough suppressant, vitamin, mineral or herb supplement intended for human or animal consumption and used to cure, mitigate or treat disease or improve or enhance health. "Precision optics" means the optical elements used in electro-optical devices that are designed to sense, detect, ortransmit light energy, including specificwavelengths of light energyand changes oflightenergy levels. ·Solvent cleaning operation" means the removal of uncured adhesives, inks, coatings, or contaminants including dirt, soil, and grease from parts, products, tools, machinery, equipment, and general wor!< areas. Solvent cleaning operations include hand-wiping, surface preparation, flushing and the cleaning ofspray guns/cleaning ofequipment used to spray coatings, adhesives, etc.

1"Stripping" means the removal ofcured coatings, cured inks, orcured adhesives. "Surface preparation" means the removal ofcontaminants such as dust, soil, oil, grease, etc., prior to coating, adhesive, or inkapplications. "Surface preparation solvent" means a solvent used to remove dirt, oil and other contaminantsfrom a substrate prior to the application ofa primer, adhesive or sealant that is subject to 4.0 of7 DE Admin Code 1141. 8.3 Exemptions 8.3.1 The requirements of8.0 this regulation do not apply to any equipment or operation that is specifically subjectto the emission limitationsof 10.0, 11.0 or 38.0 ofthis regulation; or to any piece of equipment that is specifically subject to the requirements of 33.0 of this regulation. 8.3.2 Existing sources affected by 8.0 ofthis regulation shall comply with the provisions of8.0 ofthis regulation on and alter March 11, 2011, except for the requirements of8.5 ofthis regulation. Existing sources affected by 8.5 of this regulation shall comply with the requirements of 8.5 of this regulation beginning as soon as practical, but no later than March 11, 2012. New, modified, or reconstructed sources affected by 8.0 of this regulation shall complywith the provisions of8.0 ofthis regulation on and alter startup. 8.3.3 The requirements of 8.5 ofthis regulation shall not apply to any facility subject to 47.0 of this regulation, orto: 8.3.3.1 The surface preparation or cleaning ofelectrical and electronic components; 8.3.3.2 The surface preparation or cleaning ofprecision optics; 8.3.3.3 The surface preparation orcleaning ofnumismatic dies; 8.3.3.4 Stripping ofcured inks, coatings, and adhesives; 8.3.3.5 The cleaning of resin, coating, ink, and adhesive mixing, molding, and application equipment; 8.3.3.6 Surface preparation associated with research and developmentactivities; 8.3.3.7 Surface preparation associated with medical device and pharmaceutical manufacturing; 8.3.3.8 Gleaning associated with performance or quality assurance testing ofcoatings, inks, or adhesives involved; 8.3.3.9 Non-manufacturing area cleaning, and 8.3.3.10 The use ofany surface preparation solvent or cleanup solvent sUbjectto 4.0 of 7 DE Admin Code 1141. 8.4 Work Practice Standards 8.4.1 No owner or operator of a facility subject to 8.4 of this regulation may cause, allow, or permit the disposal of more than five kilograms (kg) (11 pounds [Ib]) of any VaG, or of any materials containing more than five kg (11 Ib) ofany vacs, at that facility in anyone

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### 8.4.2

8.4.3

8.4.4

8.4.5

8.4.6 

### day in a manner that would permit the evaporation of

# vac into the ambient air. This provision does not apply to: 8.4.1.1 Any VaG or material containing VaG emitted from a regulated entity that is subjectto aVaG standard underthis regulation. 8.4.1.2 Coating sources that are exempt from the emission limitations of 10.0 through 23.0 ofthis regulation. 8.4.1.3 Waste paint (sludge) handling systems, water treatment systems, and other similaroperations atcoating facilities using complying coatings. 8.4.1.4 Any vac or material containing VaGs used during process maintenance tumarounds for cleaning purposes, provided that the provisions of 8.4.3, 8.4.4, 8.4.5 and 8.4.6 ofthis regulation are followed. The requirements of8.4.1 ofthis regulation include, but are not limited to, the disposal of vacfrom vac control devices. No owner or operator of a facility subject to 8.4 of this regulation shall use open containers for the storage or disposal of cloth or paper impregnated with vacs. Containers for the storage or disposal of cloth or paper impregnated with vacs shall be kept closed, except when adding or removing material. No owner or operator of a facility subject to 8.4 of this regulation shall store in open containers spent or fresh vac orvac containing. Containers for the storage of spent or fresh vacs or vac containing material shall be kept closed, except when adding or removing material. No owner or operator of a facility subject to 8.4 of this regulation shall use vac for the cleanup of spray equipment unless one or more of the following methods are used to collectthe cleaning compounds and to minimizetheirevaporation to the atmosphere. 8.4.5.1 Use of an enclosed spray gun cleaning system that is kept closed when not in use. 8.4.5.2 Non-atomized discharge of solvent into a waste container that is kept closed when not in use. 8.4.5.3 Disassembly of the spray gun and cleaning in a vat that is kept closed when not in use. 8.4.5.4 Atomized spray into a waste container that is fitted with a device that captures atomized solvent emissions. 8.4.5.5 Any alternative technique that has been demonstrated to, and accepted by the Department as producing emissions that are equal to or less than the emissions from the techniques specified in 8.4.5.1 through 8.4.5.4 of this regulation. Emissions from any alternative technique shall be demonstrated pursuant to test protocols that are approved in advance by the Department. Any owneror operatorofafacility subject to 8.4 ofthis regulation shall: 8.4.6.1 Convey VaC-containing cleaning materials from one location to another in closed containers orpipes.

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# _.._---- 

## --------­8.4.6.2 Handle and transfer all fresh and spent cleaning solvent and other VOCcontaining material to or from any container, tank, vat, vessel, mixing vessel, or piping system, etc. in such a manner that minimizes spills and other losses. 8.4.6.3 Clean up spills of fresh and spent cleaning solvent and other VOCcontaining material immediately. 8.4.7 Any owner or operator of a facility subject to 8.4 of this regulation shall minimize air circulation around cleaning operations and shall implement equipment practices that minimize emissions including keeping part cleaners covered when not in use, and maintaining cleaning equipmentto repair solvent leaks. 8.5 Control Requirements. No owner or operator of a facility subject to 8.5 of this regulation shall use any liquid VOC containing material for any solvent cleaning operation that does not meet one ofthe requirements of8.5.1 through 8.5.3. 8.5.1 The VOC content is equal to orless than 50 gramsVOC per liter (0.42 Ib/gal), asapplied, or 8.5.2 The VOC composite vapor pressure is equal to or less than 8 millimeters of mercury (mmHg) at20degrees Celsius (20°C), asapplied,or 8.5.3 The emissions ofthat material are controlled by an emission control system that: 8.5.3.1 Achieves an overall control efficiency of equal to or greater than 85 percent, by weight, or 8.5.3.2 Maintains a maximum outlet total organic carbon concentration of 20 parts per million byvolume (ppmv) as carbon (C1) on a dry basis. 8.6 Test Methodsand Procedures 8.6.1 Any owner oroperator subjectto 8.5.1 ofthis regulation shall determine the VOC content ofeach cleaning solution using the test methods and procedures specified in Appendix A and Appendix B of this regulation, or using the manufacturer's product formulation data, and the following equation: VOC Content (in grams per literofmaterial)

### =(Ws-Ww-W

..)Nm (8-1) where: Ws

# =Weightofvolatile compounds in grams (g); Ww

# =Weight ofwater, in g; We. 

### =Weightofexemptcompounds in g; Vm

# = Volume ofmaterial in liters 8.6.2 Any owner or operator SUbject to 8.5.2 of this regulation shall determine the VOC composite vapor pressure of each cleaning solution using the test methods and procedures specified in Appendix A and Appendix B of this regulation, or using the manufacturer's productformulation data, and the following equation:

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### (8-2) where: W, =Weight ofthe ith

## vaccompound, in grams (g); Ww =Weight ofwater, in g; W.

# = Weightofexemptcompound, in g; MW, = Molecularweight ofthe ith

## vac compound, in grams per gram-mole MWw

# =Molecularweight ofwater, in grams per gram-mole MW.= Molecularweight of exemptcompound, in grams per gram-mole; PPc

# = vac composite partial pressure at20·C, in mmHg VP,

# = Vapor pressure ofthe ith

## vaccompound at20·C, in mmHg 8.6.3 Any owner or operator subject to 8.5.3 of this regulation shall conduct an initial test to demonstrate the efficiency of each emission control system using the applicable test methods and procedures specified in AppendixA through Appendix E ofthis regulation. The cleaning operation shall operate at maximum operating conditions and flow rates during any emission testing. 8.7. Recordkeeping. Any owner or operator SUbject to 8.5 of this regulation shall maintain all of the information necessaryfor the Departmentto determine compliancewith the applicable requirements of8.5 ofthis regulation. Such information shall be made available to the Department upon verbal or written request, and shall be maintained for a minimum offive years from the date such record is created. Information sufficient to determine compliance shall include, but is not limited to the following: 8.7.1 Nameand quantityofeach cleaning solvent used, 8.7.2 

## vac content orvapor pressureofeach cleaning solvent, asapplied, 8.7.3 Material Safety Data Sheets for all cleaning solvents used, 8.7.4 Documentation of air pollution control equipment efficiency or capture efficiency, if applicable, 8.7.5 Date and type of maintenance performed on air pollution control orcapture equipment, ifapplicable, and 8.7.6 Quantity of non-compliant solvent used, in gallons, for each day, each week, and calendaryear.

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