Document wD60vvaQkXp3q8K3x3ZRadw1J

227S8 Federal Register / Vol. 51, No. 119 / Friday. June 20, 1986 / Rules and Regulations collected following the porocedures with the permissible exposure limit specified in Appendix A. prescribed by paragraph (c) of this (ii) All samples taken to satisfy the section; monitoring requirements of paragraph (f) (A) Local exhaust ventilation of this section shall be evaluated using equipped with HEPA filter dust the OSHA Reference Method (ORM) collection systems; specified in Appendix A, or an (B) General ventilation systems; equivalent counting method. (C) Vacuum cleaners equipped with (iii) If an equivalent method to the HEPA filters; ORM is used, the employer shall ensure (D) Enclosure or isolation of processes that the method meets the following producing asbestos, tremolite, criteria: anthophyUite, or actinolite dust; (A) Replicate exposure data used to (E) Use of wet methods, wetting establish equivalency are collected in agents, or removal encapsulants to side-by-side field and laboratory control employee exposures during comparisons; asbestos, tremolite, anthophyUite, or (B) The comparison indicates that 90 actinolite handling, mixing, removal, percent of the samples collected in the cutting, application, and cleanup; range 0.5 to 2.0 times the permissible (F) Prompt disposal of wastes limit have an accuracy range of plus or contaminated with asbestos, tremolite, minus 25 percent of the ORM results anthophyUite, or actinolite in leak-tight with a 95 percent confidence level as containers; or demonstrated by a statistically valid (G) Use of work practices or other protocol; and engineering controls that the Assistant (C) The equivalent method is Secretary can show to be feasible. documented and the results of the (ii) Wherever the feasible engineering comparison testing are maintained. and work practice controls described (iv) To satisfy the monitoring above are not sufficient to reduce requirements of paragraph (f). employers employee exposure to or below the limit shall rely on the results of monitoring prescribed in paragraph (c), the analysis performed by laboratories that employer shall use them to reduce have instituted quality assurance employee exposure to the lowest levels programs that include'the elements attainable by these controls and shall prescribed in Appendix A: supplement them by the use of (8) Employee notification of respiratory protection that complies monitoring results. {i) The employer with the requirements of paragraph (h) shall notify affected employees of the of this section. monitoring results that represent that (2) Prohibitions, (i) High-speed employee's exposure as soon as .possible abrasive disc saws that are not following receipt of monitoring results. equipped with appropriate engineering (ii) The employer shall notify affected controls shall not be used for work employees of the results of monitoring related to asbestos, tremolite, representing the employee's exposure in anthophyUite, or actinolite. writing either individually or by posting (ii) Compressed air shall not be used at a centrally-located place that is- to remove asbestos, tremolite, accessible to affected employees. anthophyUite, or actinolite or materials (7) Observation ofmonitoring, (i) The containing asbestos, tremolite, employer shall provide affected, anthophyUite, or actinolite unless the employees or their designated compressed air is used in conjunction representatives an opportunity to with an enclosed ventilation system observe any. monitoring of employee designed to capture the dust cloud exposure to asbestos, tremolite,. created by the compressed air. anthophyUite, or actinolite conducted in (iii) Materials containing asbestos, accordance with this section. tremolite, anthophyUite, or actinolite . (ii) When observation of.the shall not be applied by spray methods. monitoring of employee.exposure to, - (3) Employee rotation. The employer asbestos, tremolite, anthophyUite, or shall not use employee rotation as a actinolite requires entry into, an area means of compliance with the exposure where the use of protective clothing or limit prescribed in paragraph (c) of this equipment is required! the .observer shall section. ... be provided with and be required to use ' (h) Respiratory protection.--(l) such clothing and equipment and shall General. The employer shall provide comply with all. other applicable safety respirators, and ensure that they are and health procedures. used, where required by this section. (g) Methods of compliance.--{\) Respirators shall be used in the Engineering controls and work - following circumstances: practices. (1) The employer shall use one (i) During the interval necessary to or any combination of the following install or implement feasible engineering control methods to achieve compliance and work practice controls; (ii) In work operations such as maintenance and repair activities, or other activities for which engineering and work practice controls are not feasible; (iii) In work situations where feasible engineering and work practice controls are not yet sufficient to reduce exposure to or below the exposure limit; and (iv) In emergencies. (2) Respirator selection, (i) Where respirators are used, the employer shall select and provide, at no cost to the employee, the appropriate respirator as specified in Table D-4, and shall ensure that the employee uses the respirator provided. (ii) The employer shall select respirators from among those jointly approved as being acceptable for protection by the Mine Safety and Health Administration (MSHA) and the National Institute for Occupational Safety and Health (NIOSH) under the provisions of 30 CFR Part 11. (iii) The employer shall provide a powered, air-purifying respirator in lieu of any negative-pressure respirator specified in Table D-4 whenever (A) An employee chooses to use this type of respirator; and (B) This respirator will provide adequate protection to the employee. Table D-a.-Respiratory Protection for Asbestos. Tremolite, Anthophyllite, and Actinolite Fibers Airborne concentration of asbestos, tremotite, anthophyllite. actinolite, or a combination ot these minerals Required respirator Not in excess of 2 f/cc (to X PEL). Not in excess of to f/cc (50 X PEL). Not in excess of 20 f/cc (100 X PEL). Not in excess of 200 f/ cc (1000 X PEL). Greater than 200 f/cc (>f,000 X PEL) or unknown concentration. 1. Half-mask sir-purifying respira tor equipped with high-otficierv cy filters. 1. Fun facepiece air-purifying res pirator equipped with high-effi ciency fitters. 1. Any powered air purifying res pirator equipped with high elficieney titters. 2. Any supplied-air respirator op erated in continuous flow mode. 1. Full facepiece suppned-air res pirator operated in pressure domand mode. t. Full facepiece supplied air res pirator operated in pressure demand mode equipped with an auxiCary positive pressure sett-oontainod breathing appa ratus. Note: a. Respirators assigned tor higher environmental concentrations may be used at tower concentrations. b. A high-efficiency fiber means a fitter that is at least 99.97 percent efficient against mono-dispersed panicles Of 0 3 micrometers in diameter or larger. (3) Respirator program, (i) Where respiratory protection is used, the employer shall institute a respirator program in accordance with 29 CFR . 1910.134(b). (d), (e), and (f). (ii) The employer shall permit each employee Who uses a filter respirator to I i "i I .lap x21 ;s I 318 & *|!| 5* GLEASON-OOI006