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// CODE SNIPPET

1910.1029 Coke Oven Emissions

OSHA 1910 General Industry > Z Toxic and Hazardous Substances > 1910.1029 Coke Oven Emissions
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1910.1029(a) Scope and Application

This section applies to the control of employee exposure to coke oven emissions, except that this section shall not apply to working conditions with regard to which other Federal agencies exercise statutory authority to prescribe or enforce standards affecting occupational safety and health.

1910.1029(b) Definitions

For the purpose of this section:

Authorized person means any person specifically authorized by the employer whose duties require the person to enter a regulated area, or any person entering such an area as a designated representative of employees for the purpose of exercising the opportunity to observe monitoring and measuring procedures under paragraph (n) of this section.

Beehive oven means a coke oven in which the products of carbonization other than coke are not recovered, but are released into the ambient air.

Coke oven means a retort in which coke is produced by the destructive distillation or carbonization of coal.

Coke oven battery means a structure containing a number of slot-type coke ovens.

Coke oven emissions means the benzene-soluble fraction of total particulate matter present during the destructive distillation or carbonization of coal for the production of coke.

Director means the Director, National Institute for Occupational Safety and Health, U.S. Department of Health, Education, and Welfare, or his or her designee.

Emergency means any occurrence such as, but not limited to, equipment failure which is likely to, or does, result in any massive release of coke oven emissions.

Existing coke oven battery means a battery in operation or under construction on January 20, 1977, and which is not a rehabilitated coke oven battery.

Rehabilitated coke oven battery means a battery which is rebuilt, overhauled, renovated, or restored such as from the pad up, after January 20, 1977.

Secretary means the Secretary of Labor, U.S. Department of Labor, or his or her designee.

Stage charging means a procedure by which a predetermined volume of coal in each larry car hopper is introduced into an oven such that no more than two hoppers are discharging simultaneously.

Sequential charging means a procedure, usually automatically timed, by which a predetermined volume of coal in each larry car hopper is introduced into an oven such that no more than two hoppers commence or finish discharging simultaneously although, at some point, all hoppers are discharging simultaneously.

Pipeline charging means any apparatus used to introduce coal into an oven which uses a pipe or duct permanently mounted onto an oven and through which coal is charged.

Green plush means coke which when removed from the oven results in emissions due to the presence of unvolatilized coal.

1910.1029(c) Permissible Exposure Limit

The employer shall assure that no employee in the regulated area is exposed to coke oven emissions at concentrations greater than 150 micrograms per cubic meter of air (150 µg/m3), averaged over any 8-hour period.

1910.1029(d) Regulated Areas

1910.1029(d)(1)

The employer shall establish regulated areas and shall limit access to them to authorized persons.

1910.1029(d)(2) The Employer Shall Establish the Following as Regulated Areas:

1910.1029(d)(2)(i)

The coke oven battery including topside and its machinery, pushside and its machinery, coke side and its machinery, and the battery ends; the wharf; and the screening station;

1910.1029(d)(2)(ii) The Beehive Oven and Its Machinery

1910.1029(e) Exposure Monitoring and Measurement

1910.1029(e)(1) Monitoring Program

1910.1029(e)(1)(i)

Each employer who has a place of employment where coke oven emissions are present shall monitor employees employed in the regulated area to measure their exposure to coke oven emissions.

1910.1029(e)(1)(iii)

The employer shall collect fullshift (for at least seven continuous hours) personal samples, including at least one sample during each shift for each battery and each job classification within the regulated areas including at least the following job classifications:

1910.1029(e)(1)(iii)(a) Lidman

1910.1029(e)(1)(iii)(b) Tar Chaser

1910.1029(e)(1)(iii)(c) Larry Car Operator

1910.1029(e)(1)(iii)(d) Luterman

1910.1029(e)(1)(iii)(e) Machine Operator, Coke Side

1910.1029(e)(1)(iii)(f) Benchman, Coke Side

1910.1029(e)(1)(iii)(g) Benchman, Pusher Side

1910.1029(e)(1)(iii)(h) Heater

1910.1029(e)(1)(iii)(i) Quenching Car Operator

1910.1029(e)(1)(iii)(j) Pusher Machine Operator

1910.1029(e)(1)(iii)(k) Screening Station Operator

1910.1029(e)(1)(iii)(l) Wharfman

1910.1029(e)(1)(iii)(m) Oven Patcher

1910.1029(e)(1)(iii)(n) Oven Repairman

1910.1029(e)(1)(iii)(o) Spellman; And

1910.1029(e)(1)(iii)(p) Maintenance Personnel

1910.1029(e)(1)(iv)

The employer shall repeat the monitoring and measurements required by this paragraph (e)(1) at least every three months.

1910.1029(e)(1)(ii)

The employer shall obtain measurements which are representative of each employee's exposure to coke oven emissions over an eight-hour period. All measurements shall determine exposure without regard to the use of respiratory protection.

1910.1029(e)(2) Redetermination

Whenever there has been a production, process, or control change which may result in new or additional exposure to coke oven emissions, or whenever the employer has any other reason to suspect an increase in employee exposure, the employer shall repeat the monitoring and measurements required by paragraph (e)(1) of this section for those employees affected by such change or increase.

1910.1029(e)(3) Employee Notification

1910.1029(e)(3)(i)

The employer must, within 15 working days after the receipt of the results of any monitoring performed under this section, notify each affected employee of these results either individually in writing or by posting the results in an appropriate location that is accessible to employees.

1910.1029(e)(3)(ii)

Whenever such results indicate that the representative employee exposure exceeds the permissible exposure limit, the employer shall, in such notification, inform each employee of that fact and of the corrective action being taken to reduce exposure to or below the permissible exposure limit.

1910.1029(e)(4) Accuracy of Measurement

The employer shall use a method of monitoring and measurement which has an accuracy (with a confidence level of 95%) of not less than plus or minus 35% for concentrations of coke oven emissions greater than or equal to 150 µg/m3.

1910.1029(f) Methods of Compliance

The employer shall control employee exposure to coke oven emissions by the use of engineering controls, work practices and respiratory protection as follows:

1910.1029(f)(1) Priority of Compliance Methods

1910.1029(f)(1)(i) Existing Coke Oven Batteries

1910.1029(f)(1)(i)(a)

The employer shall institute the engineering and work practice controls listed in paragraphs (f)(2), (f)(3) and (f)(4) of this section in existing coke oven batteries at the earliest possible time, but not later than January 20, 1980, except to the extent that the employer can establish that such controls are not feasible. In determining the earliest possible time for institution of engineering and work practice controls, the requirement, effective August 27, 1971, to implement feasible administrative or engineering controls to reduce exposures to coal tar pitch volatiles, shall be considered. Wherever the engineering and work practice controls which can be instituted are not sufficient to reduce employee exposures to or below the permissible exposure limit, the employer shall nonetheless use them to reduce exposures to the lowest level achievable by these controls and shall supplement them by the use of respiratory protection which complies with the requirements of paragraph (g) of this section.

1910.1029(f)(1)(i)(b)

The engineering and work practice controls required under paragraphs (f)(2), (f)(3) and (f)(4) of this section are minimum requirements generally applicable to all existing coke oven batteries. If, after implementing all controls required by paragraphs (f)(2), (f)(3) and (f)(4) of this section, or after January 20, 1980, whichever is sooner, employee exposures still exceed the permissible exposure limit, employers shall implement any other engineering and work practice controls necessary to reduce exposure to or below the permissible exposure limit except to the extent that the employer can establish that such controls are not feasible. Whenever the engineering and work practice controls which can be instituted are not sufficient to reduce employee exposures to or below the permissible exposure limit, the employer shall nonetheless use them to reduce exposures to the lowest level achievable by these controls and shall supplement them by the use of respiratory protection which complies with the requirements of paragraph (g) of this section.

1910.1029(f)(1)(iii) Beehive Ovens

1910.1029(f)(1)(iii)(a)

The employer shall institute engineering and work practice controls on all beehive ovens at the earliest possible time to reduce and maintain employee exposures at or below the permissible exposure limit, except to the extent that the employer can establish that such controls are not feasible. In determining the earliest possible time for institution of engineering and work practice controls, the requirement, effective August 27, 1971, to implement feasible administrative or engineering controls to reduce exposures to coal tar pitch volatiles, shall be considered. Wherever the engineering and work practice controls which can be instituted are not sufficient to reduce employee exposures to or below the permissible exposure limit, the employer shall nonetheless use them to reduce exposures to the lowest level achievable by these controls and shall supplement them by the use of respiratory protection which complies with the requirements of paragraph (g) of this section.

1910.1029(f)(1)(iii)(b)

If, after implementing all engineering and work practice controls required by paragraph (f)(1)(iii)(a) of this section, employee exposures still exceed the permissible exposure limit, the employer shall implement any other engineering and work practice controls necessary to reduce exposures to or below the permissible exposure limit except to the extent that the employer can establish that such controls are not feasible. Whenever the engineering and work practice controls which can be instituted are not sufficient to reduce employee exposures to or below the permissible exposure limit, the employer shall nonetheless use them to reduce exposures to the lowest level achievable by these controls and shall supplement them by the use of respiratory protection which complies with the requirements of paragraph (g) of this section.

1910.1029(f)(1)(ii) New or Rehabilitated Coke Oven Batteries

1910.1029(f)(1)(ii)(a)

The employer shall institute the best available engineering and work practice controls on all new or rehabilitated coke oven batteries to reduce and maintain employee exposures at or below the permissible exposure limit, except to the extent that the employer can establish that such controls are not feasible. Wherever the engineering and work practice controls which can be instituted are not sufficient to reduce employee exposures to or below the permissible exposure limit, the employer shall nonetheless use them to reduce exposures to the lowest level achievable by these controls and shall supplement them by the use of respiratory protection which complies with the requirements of paragraph (g) of this section.

1910.1029(f)(1)(ii)(b)

If, after implementing all the engineering and work practice controls required by paragraph (f)(1)(ii)(a) of this section, employee exposures still exceed the permissible exposure limit, the employer shall implement any other engineering and work practice controls necessary to reduce exposure to or below the permissible exposure limit except to the extent that the employer can establish that such controls are not feasible. Wherever the engineering and work practice controls which can be instituted are not sufficient to reduce employee exposures to or below the permissible exposure limit, the employer shall nonetheless use them to reduce exposures to the lowest level achievable by these controls and shall supplement them by the use of respiratory protection which complies with the requirements of paragraph (g) of this section.

1910.1029(f)(2) Engineering Controls

1910.1029(f)(2)(i) Charging

The employer shall equip and operate existing coke oven batteries with all of the following engineering controls to control coke oven emissions during charging operations:

1910.1029(f)(2)(i)(a) One of the Following Methods of Charging:

1910.1029(f)(2)(i)(a)(1)

Stage charging as described in paragraph (f)(3)(i)(b) of this section; or

1910.1029(f)(2)(i)(a)(2)

Sequential charging as described in paragraph (f)(3)(i)(b) of this section except that paragraph (f)(3)(i)(b)(3)(iv) of this section does not apply to sequential charging; or

1910.1029(f)(2)(i)(a)(3)

Pipeline charging or other forms of enclosed charging in accordance with paragraph (f)(2)(i) of this section, except that paragraphs (f)(2)(i)(b), (d), (e), (f) and (h) of this section do not apply;

1910.1029(f)(2)(i)(b)

Drafting from two or more points in the oven being charged, through the use of double collector mains, or a fixed or movable jumper pipe system to another oven, to effectively remove the gases from the oven to the collector mains;

1910.1029(f)(2)(i)(c)

Aspiration systems designed and operated to provide sufficient negative pressure and flow volume to effectively move the gases evolved during charging into the collector mains, including sufficient steam pressure, and steam jets of sufficient diameter;

1910.1029(f)(2)(i)(d)

Mechanical volumetric controls on each larry car hopper to provide the proper amount of coal to be charged through each charging hole so that the tunnel head will be sufficient to permit the gases to move from the oven into the collector mains;

1910.1029(f)(2)(i)(e)

Devices to facilitate the rapid and continuous flow of coal into the oven being charged, such as stainless steel liners, coal vibrators or pneumatic shells;

1910.1029(f)(2)(i)(f)

Individually operated larry car drop sleeves and slide gates designed and maintained so that the gases are effectively removed from the oven into the collector mains;

1910.1029(f)(2)(i)(g)

Mechanized gooseneck and standpipe cleaners;

1910.1029(f)(2)(i)(h)

Air seals on the pusher machine leveler bars to control air infiltration during charging; and

1910.1029(f)(2)(i)(i)

Roof carbon cutters or a compressed air system or both on the pusher machine rams to remove roof carbon.

1910.1029(f)(2)(ii) Coking

The employer shall equip and operate existing coke oven batteries with all of the following engineering controls to control coke oven emissions during coking operations;

1910.1029(f)(2)(ii)(a)

A pressure control system on each battery to obtain uniform collector main pressure;

1910.1029(f)(2)(ii)(b)

Ready access to door repair facilities capable of prompt and efficient repair of doors, door sealing edges and all door parts;

1910.1029(f)(2)(ii)(c)

An adequate number of spare doors available for replacement purposes;

1910.1029(f)(2)(ii)(d)

Chuck door gaskets to control chuck door emissions until such door is repaired, or replaced; and

1910.1029(f)(2)(ii)(e) Heat Shields on Door Machines

1910.1029(f)(3) Work Practice Controls

1910.1029(f)(3)(i) Charging

The employer shall operate existing coke oven batteries with all of the following work practices to control coke oven emissions during the charging operation:

1910.1029(f)(3)(i)(a)

Establishment and implementation of a detailed, written inspection and cleaning procedure for each battery consisting of at least the following elements:

1910.1029(f)(3)(i)(a)(1)

Prompt and effective repair or replacement of all engineering controls;

1910.1029(f)(3)(i)(a)(2)

Inspection and cleaning of goosenecks and standpipes prior to each charge to a specified minimum diameter sufficient to effectively move the evolved gases from the oven to the collector mains;

1910.1029(f)(3)(i)(a)(3)

Inspection for roof carbon build-up prior to each charge and removal of roof carbon as necessary to provide an adequate gas channel so that the gases are effectively moved from the oven into the collector mains;

1910.1029(f)(3)(i)(a)(4)

Inspection of the steam aspiration system prior to each charge so that sufficient pressure and volume is maintained to effectively move the gases from the oven to the collector mains;
SEE MORE

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This section applies to the control of employee exposure to coke oven emissions, except that this section shall not apply to working conditions ...
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