| This information is provided free of charge by the Department of Industrial Relations from its web site at www.dir.ca.gov. These regulations are for the convenience of the user and no representation or warranty is made that the information is current or accurate. See full disclaimer at http://www.dir.ca.gov/od_pub/disclaimer.html. |
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| (1) This section applies to all occupational exposures to 1,3-Butadiene (BD), Chemical Abstracts Service Registry No. 106-99-0, except as provided in subsection (a)(2). |
| (2) Exemptions. |
| (1) General. |
| (A) Determinations of employee exposure shall be made from breathing zone air samples that are representative of the 8-hour TWA and 15-minute short-term exposures of each employee. |
| (2) Initial monitoring. |
| (3) Periodic monitoring and its frequency. |
| (4) Termination of monitoring. |
| (5) Additional monitoring. |
| (7) Employee notification of monitoring results. |
| (8) Observation of monitoring. - |
| (2) Access to regulated areas shall be limited to authorized persons. |
| (3) Regulated areas shall be demarcated from the rest of the workplace in any manner that minimizes the number of employees exposed to BD within the regulated area. |
| (1) Engineering controls and work practices. |
| (2) Compliance plan. |
| (B) The written compliance plan shall include a schedule for the development and implementation of the engineering controls and work practice controls including periodic leak detection surveys. |
| (D) The employer shall not implement a schedule of employee rotation as a means of compliance with the PELs. |
| (2) Written plans for the exposure goal program shall be furnished upon request for examination and copying to the Chief, NIOSH, affected employees and designated employee representatives. |
| (3) Such plans shall be updated as necessary to reflect significant changes in the status of the exposure goal program. |
| (4) Respirator use is not required in the exposure goal program. |
| (A) A leak prevention, detection, and repair program. |
| (B) A program for maintaining the effectiveness of local exhaust ventilation systems. |
| (C) The use of pump exposure control technology such as, but not limited to, mechanical double-sealed or seal-less pumps. |
| (D) Gauging devices designed to limit employee exposure, such as magnetic gauges on rail cars. |
| (E) Unloading devices designed to limit employee exposure, such as a vapor return system. |
| (F) A program to maintain BD concentration below the action level in control rooms by use of engineering controls. |
| (A) Periods necessary to install or implement feasible engineering and work practice controls; |
| (B) Non-routine work operations which are performed infrequently and in which exposures are limited in duration. |
| (C) Work operations for which feasible engineering controls and work practice controls are not yet sufficient to reduce exposures to or below the PELs; |
| (D) Emergencies. |
| (2) Respirator Program. |
| (A) The employer shall institute a respirator program in accordance with section 5144(b) (except (d)(1)(C), (d)(1)(C)2.a., and b.) through (m). |
| (C) In lieu of the replacement intervals listed in Table 1, the employer may replace cartridges or canisters at 90% of the expiration of service life, provided the employer: |
| 1. Demonstrates that employees will be adequately protected by this procedure. |
| (D) A label shall be attached to the filter element(s) to indicate the date and time it is first installed on the respirator. |
| (F) Regardless of the air purifying element used, if an employee detects the odor of BD, the employer shall replace the air-purifying element(s) immediately. |
| (3) Respirator selection. |
| (A) The employer must select appropriate respirators from Table I. |
____________________________
Concentration of airborne BD Minimum required respirator
(ppm) or condition of use
____________________________
Less than or equal to 5 ppm (a) Air-purifying half mask or full facepiece
(5 times PEL). respirator equipped with approved BD or
organic vapor cartridges or canisters.
Cartridges or canisters shall be replaced every
4 hours.
Less than or equal to 10 ppm (a) Air-purifying half mask or full facepiece
(10 times PEL). respirator equipped with approved BD or
organic vapor cartridges or canisters.
Cartridges or canisters shall be replaced every
3 hours.
____________________________
Concentration of airborne BD Minimum required respirator
(ppm) or condition of use
____________________________
Less than or equal to 25 ppm (a) Air-purifying full facepiece respirator
(25 times PEL). equipped with approved BD or organic vapor
cartridges or canisters.
Cartridges or canisters
shall be replaced every 2 hours.
(b) Any powered air-purifying respirator
equipped with approved BD or organic vapor
cartridges. PAPR cartridges shall be replaced
every 2 hours.
(c) Continuous flow supplied air respirator
equipped with a hood or helmet.
Less than or equal to 50 ppm (a) Air-purifying full facepiece respirator
(50 times PEL). equipped with approved BD or organic vapor
cartridges or canisters.
Cartridges or canisters
shall be replaced every (1) hour.
(b) Powered air-purifying respirator
equipped with a tight-fitting facepiece
and an approved BD or organic vapor
cartridges. PAPR cartridges shall be replaced
every (1) hour.
____________________________
Concentration of airborne BD Minimum required respirator
(ppm) or condition of use
____________________________
Less than or equal to 1,000 (a) Supplied air respirator equipped with a
ppm (1,000 times PEL). half mask of full facepiece and operated in
a pressure demand or other positive pressure
mode.
Greater than 1000 ppm (a) Self-contained breathing unknown
concentration, or apparatus equipped with a
firefighting full facepiece and operated in a
pressure demand or other positive pressure
mode.
(b) Any supplied air respirator equipped with
a full facepiece and operated in a pressure
demand or other positive pressure mode in
combination with an auxiliary self-contained
breathing apparatus operated in a pressure
demand or other positive pressure mode.
Escape from IDLH (a) Any positive pressure self-contained
conditions. breathing apparatus with an appropriate
service life.
(b) A air-purifying full facepiece respirator
equipped with a front or back mounted BD or
organic vapor canister.
____________________________
| Notes: Respirators approved for use in higher concentrations are permitted to be used in lower concentrations. Full facepiece is required when eye irritation is anticipated. |
| (B) Air purifying respirators must have filter element(s) approved by NIOSH for organic vapors or BD. |
| (1) Employees covered. The employer shall institute a medical screening and surveillance program as specified in this subsection for: |
| 1. At or above the PELs on 30 or more days a year for 10 or more years; |
| 2. At or above the action level on 60 or more days a year for 10 or more years; or |
| 3. Above 10 ppm on 30 or more days in any past year; and |
| (C) Each employee exposed to BD following an emergency situation. |
| (2) Program administration. |
| (B) Physical examinations, health questionnaires, and medical procedures shall be performed or administered by a physician or other licensed health care professional. |
| (C) Laboratory tests shall be conducted by an accredited laboratory. |
| (3) Frequency of medical screening activities. The employer shall make medical screening available on the following schedule: |
| 2. Before assumption of duties by the employee in a job with BD exposure; |
| 3. Every 3 years after the initial physical examination; |
| 4. At the discretion of the physician or other licensed health care professional reviewing the annual health questionnaire and CBC; |
| 6. At termination of employment if twelve months or more have elapsed since the last physical examination. |
| (B) Following an emergency situation, medical screening shall be conducted as quickly as possible, but not later than 48 hours after the exposure. |
| (C) For each employee who must wear a respirator, physical ability to perform the work and use the respirator must be determined as required by section 5144. |
| (4) Content of medical screening. |
| (A) Medical screening for employees covered by subsections (j)(1) (A)-(B) shall include: |
| 2. A complete physical examination, with special emphasis on the liver, spleen, lymph nodes, and skin; |
| 3. A CBC; and |
| 4. Any other test which the examining physician or other licensed health care professional deems necessary to evaluate whether the employee may be at increased risk from exposure to BD. |
| (5) Additional medical evaluations and referrals. |
| (B) The specialist to whom the employee is referred under this subsection shall determine the appropriate content for the medical evaluation, e.g., examinations, diagnostic tests and procedures, etc. |
| (A) A copy of this section including its appendices; |
| (B) A description of the affected employee's duties as they relate to the employee's BD exposure; |
| (C) The employee's actual or representative BD exposure level during employment tenure, including exposure incurred in an emergency situation; |
| (D) A description of pertinent personal protective equipment used or to be used; and |
| (7) The written medical opinion. |
| 1. The occupationally pertinent results of the medical evaluation; |
| 2. A medical opinion concerning whether the employee has any detected medical conditions which would place the employee's health at increased risk of material impairment from exposure to BD; |
| 3. Any recommended limitations upon the employee's exposure to BD; and |
| 4. A statement that the employee has been informed of the results of the medical evaluation and any medical conditions resulting from BD exposure that require further explanation or treatment. |
| (8) Medical surveillance. |
| (1) Hazard communication. The employer shall communicate the hazards associated with BD exposure in accordance with the requirements of section 5194, Hazard Communication. |
| (2) Employee information and training. |
| (A) The employer shall provide all employees exposed to BD with information and training in accordance with the requirements of section 5194, Hazard Communication. |
| (C) Training shall be provided prior to or at the time of initial assignment to a job potentially involving exposure to BD at or above the action level or STEL and at least annually thereafter. |
| 1. The health hazards associated with BD exposure, and the purpose and a description of the medical screening and surveillance program required by this section; |
| 2. The quantity, location, manner of use, release, and storage of BD and the specific operations that could result in exposure to BD, especially exposures above the PEL or STEL; |
| 3. The engineering controls and work practices associated with the employee's job assignment, and emergency procedures and personal protective equipment; |
| 4. The measures employees can take to protect themselves from exposure to BD. |
| 5. The contents of this standard and its appendices, and |
| 6. The right of each employee exposed to BD at or above the action level or STEL to obtain: |
| a. medical examinations as required by subsection (j) at no cost to the employee; |
| b. the employee's medical records required to be maintained by subsection (m)(4); and |
| c. all air monitoring results representing the employee's exposure to BD and required to be kept by subsection (m)(2). |
| (3) Access to information and training materials. |
| (B) The employer shall provide to the Chief or NIOSH, or the designated employee representatives, upon request, all materials relating to the employee information and the training program. |
| (1) Objective data for exemption from initial monitoring. |
| (B) This record shall include at least the following information: |
| 1. The product or activity qualifying for exemption; |
| 2. The source of the objective data; |
| 3. The testing protocol, results of testing, and analysis of the material for the release of BD; |
| 4. A description of the operation exempted and how the data support the exemption; and |
| 5. Other data relevant to the operations, materials, processing, or employee exposures covered by the exemption. |
| (C) The employer shall maintain this record for the duration of the employer's reliance upon such objective data. |
| (2) Exposure measurements. |
| (A) The employer shall establish and maintain an accurate record of all measurements taken to monitor employee exposure to BD as prescribed in subsection (d). |
| (B) The record shall include at least the following information: |
| 1. The date of measurement; |
| 2. The operation involving exposure to BD which is being monitored; |
| 3. Sampling and analytical methods used and evidence of their accuracy; |
| 4. Number, duration, and results of samples taken; |
| 5. Type of protective devices worn, if any; and |
| 6. Name, social security number and exposure of the employees whose exposures are represented. |
| 7. The written corrective action and the schedule for completion of this action required by subsection (d)(7)(B). |
| (C) The employer shall maintain this record for at least 30 years in accordance with section 3204. |
| (3) Respirator Fit-test. |
| (A) The employer shall establish a record of the fit tests administered to an employee including: |
| 1. The name of the employee, |
| 2. Type of respirator, |
| 3. Brand and size of respirator, |
| 4. Date of test, and |
| 5. Where QNFT is used, the fit factor, strip chart recording or other recording of the results of the test. |
| (B) Fit test records shall be maintained for respirator users until the next fit test is administered. |
| (4) Medical screening and surveillance. |
| (A) The employer shall establish and maintain an accurate record for each employee subject to medical screening and surveillance under this section. |
| (B) The record shall include at least the following information: |
| 1. The name and social security number of the employee; |
| 2. Physician's or other licensed health care professional's written opinions as described in subsection (k)(7); |
| 3. A copy of the information provided to the physician or other licensed health care professional as required by subsections (k)(7)(B)-(D). |
| (C) Medical screening and surveillance records shall be maintained for each employee for the duration of employment plus 30 years, in accordance with section 3204. |
| (5) Availability. |
| (A) The employer, upon written request, shall make all records required to be maintained by this section available for examination and copying to the Chief and NIOSH. |
| (B) Access to records required to be maintained by subsections (l)(1)-(3) shall be granted in accordance with section 3204(e). |
| (6) Transfer of records. |
| (B) The employer shall transfer medical and exposure records as set forth in section 3204(h). |
| (1) Effective date. This section shall become effective August 27, 1997. |
| (2) Start-up dates. |
| (A) The initial monitoring required under subsection (d)(2) shall be completed within sixty (60) days of the effective date of this standard or the introduction of BD into the workplace. |
| (1) Appendix E to this section is mandatory. |