PROPOSED 12-11-03 REVISION

RULE 240 SURFACE PREPARATION AND CLEANUP 

Adopted 06-08-95 

(Amended 10-09-97,12-11-03) 

CONTENTS 

100 GENERAL 

101 PURPOSE 

102 APPLICABILITY 

103 SEVERABILITY

1034 EXEMPTIONS 

200 DEFINITIONS

201 ADHESIVE

202 AEROSOL CLEANER

203 APPLICATION EQUIPMENT

201 AEROSOL PRODUCT

2024 APPURTENANCE 

2035 ARCHITECTURAL COATING 

206 ARCHITECTURAL COATINGS APPLICATION EQUIPMENT CLEANING

204 CAPTURE EFFICIENCY

205 CLOSED

206 CONTROL DEVICE EFFICIENCY

207 ELECTRONIC ASSEMBLY

208 EMISSION CONTROL SYSTEM

207 CLOSED CONTAINER

208 COATING

209 DEGREASER

210 ELECTRICAL APPARATUS COMPONENTS

2101 ELECTRONIC COMPONENTS 

20912 ENCLOSED GUN CLEANER 

21013 EXEMPT COMPOUNDS 

211 FACILITY

214 HIGH PRECISION OPTICS

215 HOT-LINE TOOL

216 INK

2127 JANITORIAL CLEANING

218 KEY SYSTEM OPERATING PARAMETER

2139 LIQUID LEAK 

21420 MAINTENANCE CLEANING 

21521 MANUFACTURING PROCESS

222 MEDICAL DEVICE

21623 NON-ABSORBENT CONTAINERS 

21724 NON-ATOMIZED SOLVENT FLOW 

225 NON-COMPLIANT SOLVENT

226 NON-LEAKING CONTAINER

21827 PERSON 

228 POLYESTER RESIN

229 PREFABRICATED ARCHITECTURAL COMPONENTS

21930 PRINTING 

231 PRODUCT CLEANING

232 RADIATION-EFFECT COATING

 December 11, 2003

 240 - 1

Placer County APCD Rules and Regulations
22033 REPAIR CLEANING 

22134 REPAIR PROCESS 

235 SCIENTIFIC INSTRUMENT

22236 SOLVENT 

22337 SOLVENT CLEANING 

22438 SOLVENT CONTAINER 

22539 SOLVENT FLUSHING 

22640 STATIONARY SOURCE 

241 STERILIZATION INDICATING INK

22742 STRIPPING 

22843 SUBSTRATE 

22944 SURFACE PREPARATION 

23045 UNCURED COATINGS AND UNCURED INKS 

23146 VOLATILE ORGANIC COMPOUND (VOC) 

23247 VOC COMPOSITE PARTIAL PRESSURE 

233 VOC CONTENT PER LITER OF MATERIAL

248 VOLATILE ORGANIC COMPOUND (VOC) AS APPLIED

249 VOLATILE ORGANIC COMPOUND (VOC) AS SUPPLIED

23450 WIPE CLEANING 

300 STANDARDS

301 SOLVENT REQUIREMENTS 

302 CLEANING DEVICES AND METHODS 

303 EMISSIONS CONTROL SYSTEM 

304 STORAGE AND DISPOSAL 

400 ADMINISTRATIVE

401 CALCULATION FOR DETERMINING VOC CONTENT OF CLEANING SOLVENTS 

INCLUDING WATER AND EXEMPT COMPOUNDS

402 CALCULATION FOR DETERMINING PERCENT CONTROL EFFICIENCY AND VOC 

MASS EMISSION RATE

403 CALCULATION FOR DETERMINING VOC COMPOSITE VAPOR PRESSURE

404 OPERATION AND MAINTENANCE PLAN

405 PRODUCT INFORMATION REQUIREMENTS FOR SELLERS

401 OPERATION AND MAINTENANCE PLAN

4026 VIOLATIONS 

500 MONITORING AND RECORDS

501 RECORDKEEPING 

502 RETENTION OF RECORDS 

503 TEST METHODS 

December 11, 2003

 240 - 2

Rules and Regulations Placer County APCD
100 GENERAL 

101 PURPOSE: The purpose of this rule is to reduce emissions of volatile organic 

compounds (VOC) from solvents used for surface preparation, maintenance and cleanup 

operations, and from the storage and disposal of all VOC-containing materials used in 

these operations. 

102 APPLICABILITY:

102.1 Geographic: The provisions of this rule apply to all of Placer County. 

102.2 Operations: This rule applies to all persons who engage in the production, 

repair, maintenance, or servicing of parts, products, tools, machinery, or 

equipment, and storage and disposal of VOC-containing materials used in 

solvent cleaning operations. 

103 SEVERABILITY: If a court of competent jurisdiction issues an order that any provision of 

this rule is invalid, it is the intent of the Board of Directors of the District that other 

provisions of this rule remain in full force and effect, to the extent allowed by law.

1034 EXEMPTIONS: 

103.1 Exemption, Janitorial Cleaning: Janitorial cleaning operations are exempt from 

all provisions of this rule.

103.2 Exemption, Operations Subject To Other Rules: The following operations are 

exempt from all provisions of this rule:

103.2.1 Cleaning carried out in batch-loaded cold cleaners, remote reservoirs, 

open-top vapor degreasers, conveyorized degreasers, or or any other 

operations subject to Rule 216, Organic Solvent Cleaning and 

Degreasing Operations.

103.2.2 Coating and related operations subject to Rule 223, Metal Can Coating.

103.2.3 Cleaning operations subject to Rule 227, Petroleum Dry Cleaning 

Operations.

103.2.4 Coating and related operations subject to Rule 234, Automotive 

Refinishing Operations.

103.2.5 All operations subject to Rule 235, Adhesives, Rule 236, Wood Products 

Coating Operations and Rule 239, Graphic Arts Operations.

103.3 PARTIAL EXEMPTIONS, WIPE CLEANING OPERATIONS: Wipe cleaning 

used for any of the following applications is exempt from the provisions of 

Section 301:

103.3.1 Cleaning of solar cells, laser hardware, and high-precision optics.

103.3.2 Cleaning for conducting performance laboratory tests on coatings, or 

inks; research and development programs and laboratory tests in quality 

assurance laboratories.

103.3.3 Cleaning of polycarbonate plastics.

103.4 PARTIAL EXEMPTION, AEROSOLS PRODUCTS: Usage of 160 fluid 

ounces or less per day per facility of aerosol products for cleaning is 

exempt from Sections 301 and 302.

 December 11, 2003

 240 - 3

Placer County APCD Rules and Regulations
103.54.1 PARTIAL EXEMPTION, LOW VOLUME, Low Volume: Usage of 1.0 liter 

(1.1 quart) or less per day per facility, of solvents for cleaning, and which 

does not exceed 38 liters (10 gallons) per calendar year, is exempt from 

the provisions of this rule except for recordkeeping requirements in

Section 501.4 501.3.3.1.

104.2 The provisions of this rule do not apply to cleaning operations specifically subject 

to requirements under the following rules:

104.2.1 Rule 216, Organic Solvent Cleaning and Degreasing Operations;

104.2.2 Rule 223, Metal Can Coating;

104.2.3 Rule 227, Petroleum Dry Cleaning Operations;

104.2.4 Rule 234, Automotive Refinishing Operations;

104.2.5 Rule 235, Adhesives;

104.2.6 Rule 236, Wood Products Coating Operations;

104.2.7 Rule 239, Graphic Arts Operations, and

104.2.8 Rule 243, Polyester Resin Operations.

 104.3 The provisions of this rule shall not apply to the following:

104.3.1 Cleaning with solvents that contain 50 grams per liter or less 

VOCs as applied including water and exempt compounds;

104.3.2 Cleaning of solar cells, laser hardware, scientific instruments, 

and high-precision optics;

104.3.3 Cleaning of cotton swabs to remove cottonseed oil before 

cleaning of high-precision optics;

104.3.4 Cleaning of paper-based gaskets and clutch assemblies where 

rubber is bonded to metal by means of an adhesive;

104.3.5 Cleaning of application equipment used to apply coatings on 

satellites and radiation effect coatings;

104.3.6 Cleaning of electrostatic coating application equipment; and

104.3.7 Janitorial cleaning, including graffiti removal.

104.4 The provisions of this rule, except for the recordkeeping requirements in Sections 

501.1, 501.3.1, and 502, shall not apply to the following:

104.4.1 Cleaning of sterilization ink indicating equipment provided that 

the solvent usage is less than 1.5 gallons per day with solvents 

that contain more than 50 grams/liter VOC as applied including 

water and exempt compounds.

104.4.2 Cleaning with aerosol, provided that 160 fluid ounces or less of 

aerosol product are used per day, per stationary source with 

solvents that contain more than 50 grams/liter VOC as applied 

including water and exempt compounds.

104.5 The provisions of Section 302 shall not apply to the cleaning of the nozzle tips of 

automated spray equipment systems, except for robotic systems.

200 DEFINITIONS

201 ADHESIVE: Any material that is used to bond one surface to another surface by 

attachment.

202 AEROSOL CLEANER: A material used as a surface preparation solvent, a cleanup 

solvent, or as a stripper and consisting of liquid and/or gaseous solvent and propellants 

packaged in a hand-held, pressurized, non-refillable container. The container expels 

pressurized aerosol materials when a valve on the container is depressed.

December 11, 2003

 240 - 4

Rules and Regulations Placer County APCD
201 AEROSOL PRODUCT: Surface cleaner packaged in a hand-held, pressurized, 

nonrefillable container which expels product in a finely divided spray when a valve on the 

container is depressed.

203 APPLICATION EQUIPMENT: A device used to apply adhesive, coating, ink, or 

polyester resin materials.

2024 APPURTENANCE: Any accessory to a stationary structure, whether installed or 

detached at the proximate site of installation, including, but not limited to: hand railings, 

cabinets, bathroom and kitchen fixtures, elevators, doors, partitions, stairways, fixed 

ladders, catwalks, fire escapes, fences, rain-gutters and down spouts, window screens, 

lamp-posts, heating and air conditioning equipment, pipes and piping systems, other 

fixed mechanical equipment, large fixed stationary tools, and concrete forms. 

2035 ARCHITECTURAL COATING: Any coating applied to stationary structures and their 

appurtenances, to portable buildings, to pavements or to curbs. 

206 ARCHITECTURAL COATINGS APPLICATION EQUIPMENT CLEANING: The cleaning 

of architectural coating application equipment such as paint spray guns, brushes, and 

hoses. For the purpose of this rule, the cleaning of architectural coating application 

equipment used for coating of prefabricated architectural components is not subject to 

the requirements of this rule.

204 CAPTURE EFFICIENCY: In Emission Control Systems, capture efficiency is the ratio, in 

percent, of the weight of the VOC in the effluent stream entering a control device to the 

weight of the VOC emitted from cleaning operations, both measured simultaneously in 

accordance with Section 503.6, and calculated by the following equation:

 Wc

Capture Efficiency = ------- X 100

 We

 Wc = Weight of VOC entering the control device

We = Weight of VOC discharged from the cleaning operations.

205 CLOSED: No visible gaps.

206 CONTROL DEVICE EFFICIENCY: In Emission Control Systems, control device 

efficiency is the ratio, in percent, of the weight of the VOC removed by a control device 

from the process effluent stream entering the control device compared to the weight of 

VOC entering the control device, both measured simultaneously in accordance with 

Section 503.5, and calculated by the following equation:

(Wc - Wa)

Control Device Efficiency = -------------- X 100

 Wc

Where: Wc = Weight of VOC entering the control device

Wa = Weight of VOC discharged from the control device

207 CLOSED CONTAINER: A container which has a nonabsorbent cover where the cover 

meets with the main body of the container without any visible gaps between the cover 

and the main body of the container.

 December 11, 2003

 240 - 5

Placer County APCD Rules and Regulations
208 COATING: A material applied onto or impregnated into a substrate for protective, 

decorative, or functional purposes. Such materials include, but are not limited to, paints, 

varnishes, sealers, and stains.

209 DEGREASER: A tank, tray, drum, or other container in which the objects to be cleaned 

are exposed to a solvent or solvent vapor in order to remove contaminants.

210 ELECTRICAL APPARATUS COMPONENTS: An internal component such as wires, 

windings, stators, rotors, magnets, contacts, relays, energizers, and connections in an 

apparatus that generates or transmits electrical energy including, but not limited to: 

alternators, generators, transformers, electric motors, cables, and circuit breakers, except 

for the actual cabinet in which the components are housed. Electrical components of 

graphic arts application equipment and hot-line tools are also included in this category.

211 ELECTRONIC COMPONENTS: The portion of an assembly, that includes circuit board 

assemblies, printed wire assemblies, printed circuit boards, soldered joints, ground wires, 

bus bars, and other electrical fixtures, except for the actual cabinets in which the 

components are housed.

207 ELECTRONIC ASSEMBLY: All portions of an assembly, including circuit card 

assemblies, printed wire assemblies, printing wiring boards, soldered joints, ground 

wires, bus bars, and other electrical fixtures, except the actual cabinet in which the 

assembly is housed.

208 EMISSION CONTROL SYSTEM: A system for reducing emissions of VOC from 

cleaning operations. It consists of (1) equipment which captures exhaust and fugitive 

emissions from the cleaner and transports them to (2) a VOC control device which 

destroys the VOC or otherwise limits the emission of VOC to the atmosphere. The 

capture efficiency and the control device efficiency are calculated in accordance with 

Sections 204 and 206, respectively.

20912 ENCLOSED GUN CLEANER:

20912.1 A device used for the cleaning of spray guns, pots and hoses, which has 

an enclosed solvent container, is not open to the ambient air when in 

use, and has a mechanism to force the cleanup material through the gun 

while the cleaner is in operation; or 

20912.2 A device used for the cleaning of spray guns, pots and hoses, which has 

an enclosed solvent container, uses non-atomized solvent flow to flush 

the spray equipment and collects and returns the discharged solvent to 

the enclosed container. 

2103 EXEMPT COMPOUNDS: For the purposes of this rule, exempt compounds are 

determined in accordance with Section 503.2, and are listed in Rule 102, Definitions. 

214 HIGH PRECISION OPTICS: An optical element used in an electro-optical device and 

which is designed to sense, detect, or transmit light energy, including specific 

wavelengths of light energy and changes in light energy levels.

215 HOT-LINE TOOL: A specialized tool used primarily on the transmission systems, subtransmission systems and distribution systems for replacing and repairing circuit 

components or for other types of work with electrically energized circuits.

216 INK: Any fluid or viscous composition used in printing, impressing, or transferring an 

image onto a substrate.

December 11, 2003

 240 - 6

Rules and Regulations Placer County APCD
211 FACILITY: A business or businesses engaged in solvent cleaning operations which are 

owned or operated by the same person or persons and are located on the same or 

contiguous parcels.

2127 JANITORIAL CLEANING: The cleaning of building or facility components, such as the 

floor, ceiling, walls, windows, doors, stairs, bathrooms, etc. 

218 KEY SYSTEM OPERATING PARAMETER:

218.1 A variable that is critical to the operation of an emission control system and that 

ensures:

218.1.1 Operation of the system within the system manufacturer’s 

specifications, and

218.1.2 Compliance with the overall system efficiency standard required 

by Section 303.

218.2 Variables described in Section 218.1 may include, but are not limited to:

 218.2.1 Hours of operation,

 218.2.2 Temperature,

 218.2.3 Flow rate, and

218.2.4 Pressure.

2139 LIQUID LEAK: The visible liquid solvent leak from the container at a rate of more than 

three (3) drops per minute, or a visible liquid mist. A leak is:

219.1 The dripping of liquid volatile organic compounds in excess of three drops per 

minute; or 

 219.2 The appearance of a visible mist.

21420 MAINTENANCE CLEANING: A solvent cleaning operation or activity performed to keep 

parts product, tools, machinery, equipment (excluding application equipment, or general 

work areas), in clean and good operationaling condition. 

21521 MANUFACTURING PROCESS: The process of making goods or articles by hand or by 

machinery. 

222 MEDICAL DEVICE: An instrument, apparatus, implement, machine, contrivance, 

implant, in vitro reagent or other similar article, including any component or accessory, 

that meets one of the following conditions:

222.1 it is intended for use in the diagnosis of disease or other conditions, or in the 

cure, mitigation, treatment, or prevention of disease; or

222.2 it is intended to affect the structure or any function of the body; or

222.3 it is defined in the National Formulary or the United States Pharmacopoeia, or 

any supplement to them.

21623 NON-ABSORBENT CONTAINERS: Containers made of nonporous material which do 

not allow the migration of the liquid solvent through them. 

21724 NON-ATOMIZED SOLVENT FLOW: The use of a solvent in the form of a liquid stream 

without atomization to remove uncured inks, uncured adhesives, uncured coatings and 

contaminants from an article. 

225 NON-COMPLIANT SOLVENT: A solvent that:

225.1 exceeds the VOC content limits specified in Section 301.1 and 301.2 and

225.2 is not exempt pursuant to Section 104, and

225.3 is used at a facility that does not use emission control equipment pursuant to 

Section 303.

226 NON-LEAKING CONTAINER: A container without a leak.

 December 11, 2003

 240 - 7

Placer County APCD Rules and Regulations
21827 PERSON: Any firm, business establishment, association, partnership, corporation or 

individual, whether acting as principal, agent, employee, or any other capacity including 

any governmental entity or charitable organization. 

228 POLYESTER RESIN: Unsaturated polyester resin such as isophthalic, orthophthalic, 

halogenated, bisphenol-A, vinyl-ester, or furan resin; cross-linking agent; catalyst, gel 

coat, inhibitor, accelerator, promoter, and any other VOC-containing material comprising 

a resin made from polyester. Inert filler and cleaning material are excluded from this 

definition.

229 PREFABRICATED ARCHITECTURAL COMPONENTS: Prefabricated metal parts and 

products which are to be used as architectural appurtenances or structures and which 

are coated in a shop environment, not including window frames and door frames.

21930 PRINTING: Any operation that imparts color, design, alphabet, or numerals on a 

substrate. 

231 PRODUCT CLEANING: The cleaning of parts or components in a process of making 

goods or articles by hand or by machinery from those parts or components.

232 RADIATION-EFFECT COATING: A material that prevents radar detection.

22033 REPAIR CLEANING: A solvent-cleaning operation or activity performed during a repair 

process.

22134 REPAIR PROCESS: The process of returning a damaged object or an object not 

operating properly to good condition. 

235 SCIENTIFIC INSTRUMENT: An instrument (including the components, assemblies, and 

subassemblies used in their manufacture and associated accessories and reagents that 

is used for the detection, measurement, analysis, separation, synthesis, or sequencing of 

various compounds.

22236 SOLVENT: A VOC-containing liquid used to perform solvent cleaning operations. 

22337 SOLVENT CLEANING: The removal of loosely held uncured inks, uncured coatings, 

and contaminants which include, but are not limited to: dirt, soil, and grease from parts, 

products, tools, machinery, and equipment. Each distinct method of cleaning in a 

cleaning process which consists of a series of cleaning methods shall constitute a 

separate solvent cleaning operation. 

22438 SOLVENT CONTAINER: That part of a cleaning device that holds the solvent. 

22539 SOLVENT FLUSHING: The use of a solvent to remove uncured inks, uncured coatings, 

or contaminants from the internal surfaces and passages of the equipment by flushing 

solvent through the equipment. 

22640 STATIONARY SOURCE: Any building, structure, facility, or emissions unit which emits 

or may emit any affected pollutant directly or as a fugitive emission. This includes all 

pollutant-emitting activities which: 

22640.1 Belong to the same industrial grouping, and

22640.2 Are located on one property or on two or more contiguous properties, 

and

22640.3 Are under the same or common ownership, operation, or control or which 

are owned or operated by entities which are under common control. 

December 11, 2003

 240 - 8

Rules and Regulations Placer County APCD
Pollutant-emitting activities shall be considered as part of the same industrial grouping if 

they: 

22640.4 Belong to the same two-digit standard industrial classification code, or

22640.5 Are part of a common production process. (Common production process 

includes industrial processes, manufacturing processes and any 

connected processes involving a common material.) 

241 STERILIZATION INDICATING INK: Ink that changes color to indicate that sterilization 

has occurred. Such ink is used to monitor the sterilization of medical instruments, 

autoclave efficiency, and the thermal processing of foods for the prevention of spoilage.

22742 STRIPPING: The removal of cured coatings, cured inks, and cured adhesives. 

22843 SUBSTRATE: The material upon which another material is coated or fabricated. 

22944 SURFACE PREPARATION: The removal of contaminants such as dust, soil, oil, or 

grease, before coating or ink applications. 

23045 UNCURED COATINGS AND UNCURED INKS: Coatings and inks that are not dry to the 

touch.

23146 VOLATILE ORGANIC COMPOUND (VOC): Any chemical compound containing at least 

one atom of carbon, except for the Exempt Compounds listed in Rule 102, Definitions. 

23247 VOC COMPOSITE PARTIAL PRESSURE: The sum of the partial vapor pressures of 

the compounds defined as VOCs, as determined in accordance with Sections 403 and

503.3., and calculated by the following equation:

MW

W +

MW

W +

MW

W

(W )(VP )/ MW

PP =

i

i

n

e =1i

e

n

w =1i

w

ii i

n

=1i c

∑∑

∑

 (This will be struck out) 

PPc = VOC composite partial pressure at 20oC, in mm mercury.

Wi = Weight of the "I"th VOC compound, in grams, as determined by 

ASTM E 260-91.

Ww = Weight of water, in grams as determined by ASTM D 3792-86. 

We = Weight of the “I”th exempt compound, in grams, as determined 

by ASTM E 260-91.

Mwi = Molecular weight of the “I”th VOC compound, in grams per gmole, as given in chemical reference literature. 

Mww = Molecular weight of water, 18 grams per g-mole. 

Mwe = Molecular weight of the “I”th exempt compound, in grams per g-mole, as 

given in chemical reference literature. 

Vpi = Vapor pressure of the “I”th VOC compound at 20oC, in mm Hg, 

as determined by the method in Section 503.4 of this rule.

233 VOC CONTENT PER LITER OF MATERIAL: The weight of VOC per liter shall be 

determined using the appropriate test method pursuant to Section 503.1, and calculated 

by the following equation:

 Wm - Ww - Wec

 December 11, 2003

 240 - 9

Placer County APCD Rules and Regulations
Grams of VOC per Liter of Material = -----------------------

 Vm

 Wm = Weight of all volatile compounds in grams

Ww = Weight of water in grams

Wec = Weight of exempt compounds in grams

Vm = Volume of material in liters

248 VOLATILE ORGANIC COMPOUND (VOC) AS APPLIED: A VOC as applied means the 

VOC content of the cleaning solvent as applied, including any diluters, and calculated 

pursuant to Section 503.1.

249 VOLATILE ORGANIC COMPOUND (VOC) AS SUPPLIED: A VOC as supplied means 

the VOC content of the original material as supplied by the manufacturer and calculated 

pursuant to Section 503.1.

23450 WIPE CLEANING: The method of cleaning a surface by physically rubbing it with a 

material such as a rag, paper, or a cotton swab moistened with a solvent. 

300 STANDARDS: The following standards shall apply to any person or stationary source subject to 

this rule:

301 SOLVENT REQUIREMENTS:A person shall not use a solvent to perform cleaning 

operations, including the use of cleaning devices or methods, unless it complies with the 

following applicable requirements:

301.1 Until December 11, 2004, a person shall not use a solvent to perform cleaning 

operations, including the use of cleaning devices or methods, unless it complies 

with the following applicable requirements:

301.1.1 Manufacturing Processes and Coating, Adhesive, or Ink Applications: 

The solvent used to clean substrates during the manufacturing process, 

or used for surface preparation of substrates before coating, adhesive, or 

ink applications shall have a VOC content equal to or less than 70 grams 

of VOC per liter of material, as calculated in accordance with 

Sections233401 and 503.1.

301.11.2 Repair and Maintenance: Solvents used for repair or 

maintenance cleaning shall have a VOC content of 900 grams or less of 

VOC per liter of material, as calculated in accordance with 

Sections233401 and 503.1 and a VOC composite partial pressure of 20 

mm Hg or less at 20 o

C (68 oF), as calculated in accordance with 

Sections233401 and 503.3. 

301. 11.3 Coatings Application Equipment: Solvents used for cleaning 

coatings application equipment shall have a VOC content of 950 grams 

or less of VOC per liter of material, as calculated in accordance 

Sections233401 and 503.1 and 503.2 and a VOC composite partial 

pressure of 35 mm Hg or less at 20 o

C (68 oF), as calculated in 

accordance with Sections233401 and 503.3. 

301. 11.4 Electronic Assemblies: Solvents used for manufacturing or 

maintenance cleaning of electronic assemblies shall have a VOC content 

of 900 grams or less of VOC per liter of material, as calculated in 

accordance with Sections233401 and 503.1 and a VOC composite 

partial pressure of 33 mm Hg or less at 20 o

C (68 oF), as calculated in 

accordance with Sections233401 and 503.3. 

December 11, 2003

 240 - 10

Rules and Regulations Placer County APCD
301. 11.5 Polyester Resin Application: Solvents used for cleaning 

polyester resin application equipment shall comply with any one of the 

limits specified below: 

301.1.5.1 The solvent shall have a VOC content of 200 grams or 

less VOC per liter of material, as calculated in 

accordance with Sections233401 and 503.1; or 

301.1.5.2 The solvent shall have a VOC content of 1100 grams or 

less of VOC per liter of material, as calculated in 

accordance with Sections233401 and 503.1, and a VOC 

composite partial pressure of 1.0 mm Hg or less at 20 o

C 

(68 oF), as calculated in accordance Sections233401

and 503.3; or 

301.1.5.3 In lieu of complying with either of the VOC limitations in 

Sections 301.1.5.1 and 301.1.5.2, above, a person may 

comply by using a solvent residue reclamation system. 

Reclamation may be done either on-site or off-site 

through a reclamation facility. The on-site reclamation 

system shall operate at least at 80 percent efficiency, by 

weight, and the solvent residues shall contain not more 

than 20 percent VOC, by weight. 

301.2 Effective December 11, 2004 a person shall not perform solvent cleaning unless 

the solvent has a VOC content, as applied (as determined per Sections 401 and 

503.1) equal to or less than the applicable VOC limit in the table below. The VOC 

content shall be calculated based on grams per liter of solvent or pounds per 

gallon of solvent including water and exempt compounds.

VOC 

Content

g/l (lb/gal)

Solvent Cleaning Activity (Effective 

December 

11, 2004)

General (wipe cleaning, maintenance cleaning) 50 (0.42)

Product Cleaning During Manufacturing Process or Surface Preparation 

for Coating, Adhesive, Sealants, or Ink Application

 General

 Electrical Apparatus Components and Electronic Components

 Medical Devices and Pharmaceuticals

50 (0.42)

500 (4.2)

800 (6.7)

Repair and Maintenance Cleaning

 General

 Electrical Apparatus Components and Electronic Components

Medical Devices and Pharmaceuticals

 

 General Work Surfaces

 Tools, Equipment, and Machinery

 Platelets

50 (0.42)

900 (7.5)

600 (5.0)

800 (6.7)

800 (6.7)

Architectural Coating Application Equipment

 Water based Coatings

 Solvent based Coatings – Jobsite and No Enclosed Gun Cleaner

50 (0.42)

300 (2.5)

 December 11, 2003

 240 - 11

Placer County APCD Rules and Regulations
302 CLEANING DEVICES AND METHODS: A person shall perform solvent cleaning 

operations using only one of the following cleaning devices or methods: and shall comply 

with the provision of Section 302.4.A person shall not perform solvent cleaning unless 

one of the following cleaning devices or methods is used:

302.1 Wipe cleaning.

302.2 Cleaning within closed containers or by using hand held spray bottles from which 

solvents are applied without a propellant-induced force.

302.3 Using cleaning equipment which has a solvent container that is closed during 

cleaning operations, except when depositing and removing objects to be 

cleaned, and is closed during non-operation with the exception of maintenance 

and repair to the cleaning equipment itself.

302.4 Using remote reservoir degreaser, non-vapor degreaser, or vapor degreaser 

used pursuant to the provisions of Rule 216, Organic Solvent Cleaning and 

Degreasing Operations.

302.5 Using solvent flushing methods where the cleaning solvent is discharged into a 

container which is closed except for the solvent collection openings and, if 

necessary, openings to avoid excessive pressure buildup inside the container. 

The discharged solvent from the equipment must be collected into containers 

without atomizing into the open air. The solvent may be flushed through the 

system by air or hydraulic pressure, or by pumping.

302.6 Using an enclosed gun cleaner for the cleaning of application equipment, except 

as listed in Section 302.7 or by using a solvent that contains 50 grams per liter or 

less VOCs for cleaning of spray guns if no enclosed gun cleaner is used.

302.7 Using solvents that comply with the VOC limits in Section 301 and cleaning 

methods in Section 302.5 for cleaning of application equipment used to apply 

architectural coatings at the jobsite.

302.8 Cleaning of spray gun nozzles by soaking in solvent provided the container (not 

to exceed five (5) gallons in size) is kept tightly covered at all times except when 

accessing the container.

302.1 Wipe cleaning.

302.2 Non-propellant spray bottles or containers.

302.3 An enclosed gun cleaner, as defined in Section 209.

302.49 Regardless of cleaning method, any spray discharge of solvent into the open air 

is prohibited at all times. 

303 EMISSION CONTROL SYSTEM: As an alternative to compliance with Sections 301 and 

302, a person may use an Emission Control System associated with the solvent cleaning 

operation, approved by the Air Pollution Control Officer and which satisfies both of the 

following conditions:

303.1 The capture device shall collect at least 90 percent, by weight, of the VOC 

emissions generated by the solvent cleaning operation, (a Capture Efficiency of 

90 percent, as defined in Section 204), and

303.2 The control device shall reduce VOC emissions from the emission capture 

system by at least 95 percent, by weight, (a Control Device Efficiency of 95 

percent, as defined in Section 206).

As an alternative to complying with Sections 301 and 302, a person may use air pollution 

control equipment provided it satisfies the following conditions:

303.1 The air pollution control equipment is approved by the Air Pollution Control 

Officer pursuant to Rule 501, General Permit Requirements, and 

303.2 The air pollution control equipment is designed and operated with:

303.2.1 A control device efficiency of at least 95 percent on a mass 

basis, as determined pursuant to Sections 402 and 503.5, and

303.2.2 An emission collection efficiency of at least 90 percent on a 

mass basis of the emissions generated by the solvent cleaning 

operations, as determined pursuant to Section 503.6, or

December 11, 2003

 240 - 12

Rules and Regulations Placer County APCD
303.2.3 An output of less than 50 parts per million calculated as carbon 

with no dilution.

304 STORAGE AND DISPOSAL: All VOC-containing materials used in solvent cleaning 

operations, such as solvents, and cloth and paper moistened with solvents, shall be 

stored in non-absorbent containers with no liquid leaks. Such containers shall be kept 

closed at all times except when filling or emptying.

304.1 All VOC-containing materials used in solvent cleaning operations, such as 

solvents, and cloth and paper moistened with solvents, shall be stored in 

non-absorbent containers with no liquid leaks. Such containers shall be kept 

closed at all times except when filling or emptying.

304.2 All spent solvents shall be disposed of properly. Spent cleanup solvents may be 

classified as hazardous waste. The owner or operator shall obtain approval from 

applicable local, state, or federal water pollution control agency prior to disposing 

of spent solvents into the sewer or storm drain systems.

400 ADMINISTRATIVE

401 CALCULATION FOR DETERMINING VOC CONTENT OF CLEANING SOLVENTS 

INCLUDING WATER AND EXEMPT COMPOUNDS: For the VOC content as applied, 

the volume of solvent is defined as the volume of the original solvent, plus any material 

added to the original solvent (e.g., thinners or reducers). For the VOC content as 

supplied, the volume of solvent is defined as the volume of the original solvent. The 

weight of VOC per total volume of solvent shall be calculated by the following equation:

m

ecwv

V

WWW G −− 2 =

Where:G2 = Weight of VOC per total volume of solvent, in grams per 

liter

Wv = Weight of all volatile compounds, in grams

Ww = Weight of water, in grams

Wec = Weight of exempt compounds, in grams

Vm = Volume of solvent, in liters

402 CALCULATION FOR DETERMINING PERCENT CONTROL EFFICIENCY AND VOC 

MASS EMISSION RATE: The VOC mass emission rate shall be calculated both 

upstream and downstream of the emissions control device based on the VOC mass 

concentration, collection efficiency, and volumetric flowrate, pursuant to Section 503.5, 

and 503.6 and the following equations:

402.1 VOC mass emission rate:

()60(*)(*)( calculated upstream and downstream) hr

m = CQM

Where: M = VOC mass emission rate (upstream/downstream), in 

lb/hr.

Q = the volumetric flowrate at the inlet (upstream) or exhaust 

stack outlet (downstream), in standard cubic feet per 

minute as determined by Section 503.9.

C = the VOC mass concentration at the inlet (upstream) or 

outlet (downstream), in pounds per standard cubic feet, 

as determined pursuant to Section 503.9.

402.2 The percent control efficiency is calculated as follows:

 December 11, 2003

 240 - 13

Placer County APCD Rules and Regulations
% 100*⎟

⎟

⎠

⎞

⎜

⎜

⎝

⎛ − =

u

du

M

MM CE

Where: CE = control efficiency.

Mu = the upstream VOC mass emission rate, in lb/hr.

Md = the downstream VOC mass emission rate, in lb/hr.

403 CALCULATION FOR DETERMINING VOC COMPOSITE PARTIAL PRESSURE: VOC 

composite partial pressure shall be calculated by the following equation:

∑ ∑

∑

= =

=

+ +

= n

e

n

i i

i

e

e

w

w

n

i i

ii

c

MW

W

MW

W

MW

W

MW

VPW

PP

1 1

1

) )((

Where: PPC = VOC composite partial pressure at 20 oC, in mm Hg.

Wi = Weight of the "i"th VOC compound, in grams as determined by 

ASTM E 260-96.

Ww = Weight of water, in grams as determined by ASTM D 3792-99. 

We = Weight of the "e"th exempt compound, in grams, as determined

by ASTM E 260-96.

MWi = Molecular weight of the "i"th VOC compound, in grams per gmole, as given in chemical reference literature.

MWw = Molecular weight of water, 18 grams per g-mole.

MWe = Molecular weight of the "e"th exempt compound, in grams per gmole, as given in chemical reference literature.

VPi = Vapor pressure of the "i"th VOC compound at 20oC, in mm Hg, 

as determined by Section 503.4 of this rule.

404 OPERATION AND MAINTENANCE PLAN: Any person using an approved emission 

control equipment pursuant to Section 303 must submit an Operation and Maintenance 

Plan for the emissions control equipment to the Air Pollution Control Officer for approval. 

This Plan shall specify operation and maintenance procedures that demonstrate 

continuous operation and compliance of the emissions control equipment during periods 

of emissions-producing operations. This Plan shall specify key system operating 

parameters, such as temperatures, pressures, and/or flow rates, necessary to determine 

compliance with this rule and shall describe in detail procedures to maintain the approved 

control device. The plan shall specify which records must be kept to document these 

operations and maintenance procedures. The records shall comply with the 

requirements of Section 501. This Plan shall be implemented upon approval by the Air 

Pollution Control Officer.

405 PRODUCT INFORMATION REQUIREMENTS FOR SELLERS: Any person who sells 

any solvent subject to this rule shall make available to the purchaser at the time of sale 

the following information:

405.1 The solvent type by name/code/manufacturer;

405.2 The maximum VOC content of the cleanup solvent as applied. The VOC content 

shall be displayed as grams of VOC per liter of solvent (or pounds of VOC per 

gallon), including water and exempt compounds as determined pursuant to 

Section 503.1.

405.3 Recommendations regarding thinning, reducing, or mixing with any solvent, if 

applicable.

401 OPERATION AND MAINTENANCE PLAN: A person using an emission control system 

pursuant to Section 303, as a means of alternate compliance with this rule, must submit 

December 11, 2003

 240 - 14

Rules and Regulations Placer County APCD
an Operation and Maintenance Plan for the emission control system to the Air Pollution 

Control Officer for approval. A person proposing to install a new emission control system 

as a means of alternate compliance with this rule shall submit in addition to an Operation 

and Maintenance Plan, an application for Authority to Construct, pursuant to Rule 501, 

General Permit Requirements. The Plan shall specify operating and maintenance 

procedures which will demonstrate continuous operation of the emission control system 

during periods of emissions-producing operations. The Plan shall also specify which 

records must be kept to document these operating and maintenance procedures. These 

records shall comply with the requirements of Sections 501.2.2 and 501.3. The Plan 

shall be implemented upon approval of the Air Pollution Control Officer.

4026 VIOLATIONS: Failure to comply with any provision of this rule shall constitute a violation 

of the rule. 

500 MONITORING AND RECORDS

501 RECORDKEEPING: Any person subject to this rule, shall comply with all of the following 

applicable requirements: 

501.1 List of Materials: A current list of solvents in use shall be maintained and shall 

include all of the following items:

501.1.1 The product name and identification code of the solvent, and the specific 

application pursuant to Section 301.

501.1.2 The VOC content of the solvent, as determined pursuant to Section 502. 

1., and the VOC composite partial pressure of the solvent as determined 

pursuant to Section 503.3.

501.1.3 Method of cleaning and cleaning device used with the solvent.

501.2 Usage Amounts:

501.2.1 For persons using materials which comply with the standards specified in 

Section 301, or using materials pursuant to Section 103.3, records shall 

be maintained on a monthly basis, showing the type and volume of 

solvents used.

501.2.2 For persons using materials exceeding the VOC and VOC composite 

partial pressure limits specified in Section 301, and using an Emission 

Control System pursuant to Section 303, or using materials pursuant to 

Section 103.4, records shall be maintained on a daily basis, showing the 

type and volume of solvents used.

501.3 Emission Control System: Any person using an Emission Control System 

pursuant to Section 303 shall maintain such records as required by Section 

501.2.2 on a daily basis.

501.4 Low Volume Usage: Any person claiming partial exemption from this rule for low 

volume of solvent usage, pursuant to Section 103.5, shall maintain such records 

as required by Section 501.2.1 on a daily basis.

501.1 List of Solvents: A list shall be maintained of all solvents currently used and/or 

stored at the site. The list shall include the following information:

501.1.1 Cleaning solvent type by name/code/manufacturer.

501.1.2 The actual VOC content of cleaning solvents listed in Section 

301, as applied including water and exempt compounds.

501.1.3 The actual mixing ratio for the cleaning solvent as applied.

501.2 Product Information: The information listed under Section 405 shall be 

maintained on-site and made available to the Air Pollution Control Officer upon 

request.

501.3 Usage Records: Any person within the District using cleaning solvents regulated 

by this rule shall update and maintain the records as required by this rule as 

follows:

 December 11, 2003

 240 - 15

Placer County APCD Rules and Regulations
501.3.1 Daily: Any person claiming an exemption from this rule pursuant to 

Section 104.4 shall maintain the following records.

501.3.1.1 Records of total applied volume in gallons per day of 

solvents used for cleaning of sterilization ink indicating 

equipment.

501.3.1.2 Records of total volume of aerosol products in ounces 

used.

501.3.2 Monthly:

501.3.2.1 Record of total applied volume in gallons for each 

cleaning solvent used, and

501.3.2.2 Record of solvent cleaning activity associated with each 

solvent used.

501.3.3 Annually:

501.3.3.1 Low Volume Usage: Any person claiming partial 

exemption from this rule for low volume of solvent 

usage, pursuant to Section 104.1, shall maintain records 

of the type and volume of solvent used, as required by 

Section 502, on an annual basis.

501.4 Emission Control Equipment: Any person using an emission control equipment

pursuant to this rule shall maintain records, on a daily basis, of key system 

operating parameters for emission control equipment, including, but not limited 

to:

501.4.1 Hours of operation;

501.4.2 Routine and non-routine maintenance; and

501.4.3 The records required by Section 404 as part of the Operation 

and Maintenance Plan.

501.4.4 Records of test reports conducted pursuant to Section 503.

502 RETENTION OF RECORDS: All records required by this rule shall be retained on-site 

for at least two years, except for sources subject to Rule 507, Federal Operating Permit 

Program, which shall be retained for at least five years. Such records shall be made 

available to the Air Pollution Control Officer upon request. 

503 TEST METHODS

503.1 Determination of VOC Content: VOC content of solvents shall be determined in 

accordance with United States Environmental Protection Agency (U.S. EPA) 

Method 24 and Sections 233 and 503.2 Sections 401 and 503.2 of this rule. 

503.2 Determination Of Compounds Exempt From VOC Definition: Compounds 

exempt from the VOC definition, as listed in Rule 102, Definitions, shall be 

determined in accordance with ASTM D4457-8591 or ARB Method 432. If any of 

the perfluorocarbons or volatile cyclic and linear methyl siloxanes are being 

claimed as exempt compounds, the person making the claim must state in 

advance which compounds are present, and the EPA-approved test method 

used to make the determination of these compounds. 

503.3 Determination Of VOC Composite Partial Pressure: VOC composite partial 

pressure shall be determined in accordance with ASTM E260-916 for organic 

compounds, and ASTM D3792-8691 for water content as applicable, and 

Sections 403 and 503.4 232, 503.1, 503.2 and 503.4 of this rule. 

December 11, 2003

 240 - 16

Rules and Regulations Placer County APCD
503.4 Determination of Vapor Pressure: Vapor pressure of a VOC shall be determined 

in accordance with ASTM Method D2879-8696, or may be obtained from a 

published source such as: 

503.4.1 "The Vapor Pressure of Pure Substances", Boublik, Fried, and 

Hala; Elsevier Scientific Publishing Company, New York, 1973. 

503.4.2 "Perry's Chemical Engineer's Handbook", McGraw-Hill Book 

Company, 1984. 

503.4.3 "CRC Handbook of Chemistry and Physics, Chemical Rubber 

Publishing Company, 1986-87. 

503.4.4 "Lange's Handbook of Chemistry", John Dean, ed., McGraw-Hill 

Book Company, 1985. DETERMINATION OF SOLVENT 

COMPONENTS: The identity of components in solvents shall be 

determined by U.S. EPA Method 18. 

503.5 Determination of Control Device Efficiency: Efficiency of the emission control 

device shall be based upon test measurements made in accordance with (1) U.S. 

EPA Method 18, 25 or 25A, for VOC concentration, and (2) EPA Method 2 or 2C 

(whichever is applicable) for flow rates, and calculated in accordance with 

Section 206. Control efficiency of the emissions control equipment shall be 

determined in accordance with United States Environmental Protection Agency 

Method 18, 25, or 25A (whichever is applicable).

503.6 Determination of Capture Collection Efficiency: Collection efficiency shall be 

determined in accordance with U.S. EPA "Guidelines for Determining Capture 

Efficiency, January 9, 1995",. Individual capture efficiency test runs subject to 

United States Environmental Protection Agency technical guidelines shall be 

determined by: calculated in accordance with Section 204, shall be determined 

by:

503.6.1 Applicable U.S. EPA methods 204, 204A, 204B, 204C, 204E, 

and/or 204F; or 

503.6.2 The South Coast Air Quality Management District “Protocol for 

Determination of Volatile Organic Compound (VOC) Capture Efficiency”; 

or 

503.6.32 Any other method approved by the U.S. EPA, the California Air 

Resources Board, and the Air Pollution Control Officer. 

503.7 Multiple Test Methods: When more than one test method or set of test methods 

is specified for any testing, a violation of any requirement of this rule established 

by any one of the specified test methods shall constitute a violation of this rule. 

503.8 Test Method Updates: Future U.S. EPA-approved revisions of any test methods 

referenced in Section 503 shall then become the applicable versions with respect 

to this rule. 

502.9 Determination of Volumetric Flowrate: Volumetric flowrate shall be determined 

in accordance with United States Environmental Protection Agency Methods 2, 

2A, 2C, or 2D (whichever is applicable).

 December 11, 2003

 240 - 17

Placer County APCD Rules and Regulations