Source: https://www.arb.ca.gov/drdb/mbu/suphtml/r1006.htm
Timestamp: 2018-04-22 16:32:31
Document Index: 51305819

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DRDB: MBUAPCD 1006 ETHYLENE OXIDE STERILIZERS AND AERATORS
RULE 1006 ETHYLENE OXIDE STERILIZERS AND AERATORS
CONTENTS PART 1.0. PURPOSE
PART 3.0. APPLICABILITY
PART 4.0. NOTIFICATION
PART 5.0. REPORTING
PART 6.0. REQUIREMENTS
PART 7.0. EXEMPTIONS
PART 8.0. COMPLIANCE
PART 9.0. ALTERNATE COMPLIANCE DATE
PART 10.0. SOURCE TESTING
PART 1.0. PURPOSE
1.1. To comply with Section 39666 of the Health & Safety Code and Section 93102, Subchapter 7.5, Chapter 1, Part III, Titles 17 and 26, of the California Administrative Code, through the installation of controls on sterilizers and aerators which use ethylene oxide.
2.1. Acute care facility.
2.2. Aeration.
means the process during which residual ethylene oxide dissipates, whether under forced air flow, natural of mechanically assisted convection, or other means, from previously sterilized materials after the sterilizer cycle is complete.
2.3. Aeration-only facility.
2.4. Aerator.
2.5. Aerator exhaust stream.
means all ethylene oxide-contaminated air which is emitted from an aerator.
2.6. Back-draft valve exhaust stream.
means the air stream which results from collection of ethylene oxide-contaminated air which may be removed from the sterilizer through a back-draft valve or rear chamber exhaust system during unloading of the sterilized materials.
2.7. Control device.
means an article, machine, equipment, or contrivance which reduces the amount of ethylene oxide between its inlet and outlet and which is sized, installed, operated, and maintained according to good engineering practices, as determined by the District.
2.8. Control efficiency.
means the ethylene oxide (EtO) mass or concentration reduction efficiency of a control device, as measured with ARB Test Method 431 (Title 17, CCR, Section 94143) according to the source testing requirements herein, and expressed as a percentage calculated across the control device as follows:
2.9. Date of compliance.
2.10. District.
means the Monterey Bay Unified Air Pollution Control District.
2.11. Ethylene oxide (EtO).
means the substance identified as a toxic air contaminant by the Air Resources Board in 17 CCR, Section 93000.
2.12. Facility.
2.13. Facility-wide pounds of ethylene oxide used per year.
means the total pounds of ethylene oxide used in all of the sterilizers at the facility during a one-year period.
2.14. Leak-free.
means that state which exists when the concentration of sterilant gas measured 1 cm. away from any portion of the exhaust system of a sterilizer or aerator, during conditions of maximum sterilant gas mass flow, is less than:
10 ppm for other compositions of sterilant gas, as determined by ARB Test method 21 (Title 17, CCR, Section 94124) using a portable flame ionization detector calibrated with methane, or a non-dispersive infrared analyzer, or an acceptable alternative method or analytical instrument approved by the District. A chlorofluorocarbon-12 specific audible detector using a metal oxide semi-conductor sensor shall be considered an acceptable alternative for exhaust systems carrying a sterilant gas mixture of ethylene oxide and chlorofluorocarbon-12.
2.15. Local medical emergency.
means an unexpected occurrence in the area served by the acute care facility resulting in a sudden increase in the amount of medical treatments which require a significant increase in the operation of a sterilizer as determined by the Air Pollution Control Officer or the County Health Officer.
2.16. Sterilant gas.
means ethylene oxide or any combination of ethylene oxide and (an)other gas(es) used in a sterilizer.
2.17. Sterilizer.
2.18. Sterilizer cycle.
2.19. Sterilizer door hood exhaust stream.
means the air stream which results from collection of fugitive ethylene oxide emissions, by means of an existing hood over the sterilizer door, during the time that the sterilizer door is open after the sterilizer cycle has been completed.
2.20. Sterilizer exhaust stream.
means all ethylene oxide-contaminated air which is intentionally removed from the sterilizer during the sterilizer cycle.
2.21. Sterilizer exhaust vacuum pump.
3.1. This rule shall apply to any person who owns or operates a sterilizer or aerator.
4.1. Any person subject to this regulation must provide the District with the following information, in writing, within 30 days of the date of District adoption:
4.1.1. the name(s) of the owner and operator of the facility, and
4.1.2. the location of the facility, and
4.1.3. the number of sterilizers and aerators at the facility, and
4.1.4. an estimate of the total pounds of ethylene oxide and sterilant gas used by the facility, in all sterilizers, during the previous calendar year, as determined by a method approved by the District. The District may exempt a source from this requirement if the District maintains current equivalent information on the source.
5.1. Any person who owns or operates a sterilizer shall furnish a written report to the District annually on the date specified by the District, or, at the District's discretion, shall maintain such a report and make it available to the District upon request. This report shall include one of the following, as determined by the District:
5.1.1. the number of sterilizer cycles and the pounds of ethylene oxide used per cycle for each sterilizer during the reporting period, as determined by a method approved by the District; or
5.1.2. the total pounds of sterilant gas and the total pounds of ethylene oxide purchased, used, and returned in the previous calendar year, as determined by a method approved by the District.
6.1. No person shall operated a sterilizer or aerator after the applicable date shown in column (d), Table I, unless all of the following requirements are satisfied:
6.1.1. there is no discharge of sterilizer exhaust vacuum pump working fluid to wastewater streams, and
6.1.2. the exhaust systems including, but not limited to, any piping, ducting, fittings, valves, or flanges, through which ethylene oxide-contaminated air is conveyed from the sterilizer and aerator to the outlet of the control device are leak-free, and
6.1.3 all of the control requirements shown in Table I below for the applicable control category are met; and
6.1.4. for facilities using more than 600 pounds of ethylene oxide per year, the back-draft valve is ducted to the control device used to control the sterilizer exhaust stream or the aerator exhaust stream; and
6.1.5 for facilities using more than 5,000 pounds of ethylene oxide per year, the sterilizer door hood exhaust stream is ducted to the control device used to control the aerator exhaust stream.
more than 4 and less than or equal to 600
7.1. The requirements set forth in Part 6.0. above do not apply to any facility which treats materials in a sterilizer and which uses a total of 4 pounds or less of ethylene oxide per calendar year.
7.1. The District Hearing Board may grant an emergency variance from items (a) and (c) in Table I of Part 6.0., Requirements, to a person who owns or operates an acute care facility if response to a local medical emergency requires increased operation of a sterilizer or aerator such that the requirements cannot be met.
8.1. The facility shall be in compliance with all provisions specified in Part 6.0., Requirements, no later than the date specified in column (d) of Table I.
8.2. For the purpose of determining compliance with the control efficiency requirement shown in column (c) of Table I, Part 6.0., if a reduction in the amount of ethylene oxide across the control device is demonstrated, but the control efficiency cannot be affirmatively demonstrated because the concentration of ethylene oxide measured in the outlet of the control device is below 0.2 parts per million ethylene oxide, the facility shall be considered to be in compliance with this requirement.
9.1. The owner or operator of any facility which uses more than 600 pounds of ethylene oxide per year may choose this alternate compliance option which addresses the date for compliance with the requirements of Part 6.0. If this compliance option is chosen, the owner or operator shall:
9.1.1. within 3 months of the date of District adoption of regulations enacting this control measure, comply with the requirements shown in subsections 6.1.1 and 6.1.2. and demonstrate a control efficiency of 99.9% for the sterilizer exhaust stream, in accordance with the source testing requirements set forth in Part 10.0; and
9.1.2. within 6 months of the date of District adoption of regulations enacting this control measure, submit to the District a plan to discontinue operation of all sterilizers and aerators or comply with the District requirements to submit a plant to comply with the requirements of subsections 6.1.3., 6.1.4., and 6.1.5., and
9.1.3. within 12 months of the date of District adoption of regulations enacting this control measure, do one of the following:
9.1.3.1. demonstrate to the satisfaction of the District that operation of all sterilizers and aerators at the facility has been permanently discontinued; or
9.1.1.2. demonstrate compliance with the requirements of subsections 6.1.3., 6.1.4., and 6.1.5., in accordance with the source testing provision set forth in Part 10.0., below.
10.1. Source testing of a facility shall be conducted according to the District's source test procedure manual, as well as ARB Test Method 431 (Title 17, CCR, Section 94143) and the method evaluations cited therein or an acceptable source test method approved by the Executive Officer of the Air Resources Board. Specific requirements for application are given below:
10.1.1. The test on a control device for a sterilizer exhaust stream shall be run with a typical load, as approved by the District, in the sterilizer.
10.1.2. The test on a control device for an aerator exhaust stream shall be run with a typical load, as approved by the District, in the aerator.
10.1.3. The inlet and outlet of the control device shall be sampled simultaneously during testing to measure the control efficiency.
10.1.4. The efficiency of each control device shall be determined under conditions of maximum ethylene oxide mass flow to the device, under normal operating conditions. To measure the control efficiency of the control device on the sterilizer exhaust stream, sampling shall be done during the entire duration of the first sterilizer evacuation after ethylene oxide has been introduced. To measure the control efficiency of the control device on an aerator exhaust stream with a constant air flow, sampling shall be done during a period of at least 60 minutes, starting 15 minutes after aeration begins. To measure the control efficiency of the control device on an aerator exhaust stream with a non-constant air flow, sampling shall be done during the entire duration of the first aerator evacuation after aeration begins.
10.1.5. There shall be no dilution of the air stream between the inlet and outlet test points during testing.