DRDB: SDAPCD 361-142 STANDARD FOR ASBESTOS MILLS

SAN DIEGO COUNTY AIR POLLUTION CONTROL DISTRICT

RULE 361.142 - STANDARD FOR ASBESTOS MILLS

(a) Each owner or operator of an asbestos mill shall either discharge no visible emissions to the outside air from that asbestos mill, including fugitive sources, or use the methods specified by Rule 361.152 to clean emissions containing particulate asbestos material before they escape to, or are vented to, the outside air.

(b) Each owner or operator of an asbestos mill shall meet the following requirements:

(1) Monitor each potential source of asbestos emissions from any part of the mill facility, including air cleaning devices, process equipment, and buildings that house equipment for material processing and handling, at least once each day, during daylight hours, for visible emissions to the outside air during periods of operation. The monitoring shall be by visual observation of at least 15 seconds duration per source of emissions.

(2) Inspect each air cleaning device at least once each week for proper operation and for changes that signal the potential for malfunction, including, to the maximum extent possible without dismantling other than opening the device, the presence of tears, holes, and abrasions in filter bags and for dust deposits on the clean side of bags. For air cleaning devices that cannot be inspected on a weekly basis according to this paragraph, submit to the Control Officer, and revise as necessary, a written maintenance plan to include, at a minimum, the following:

(ii) Recordkeeping plan.

(3) Maintain records of the results of visible emissions monitoring and air cleaning device inspections using a format similar to that shown in Figures 1 and 2 and include the following:

(ii) Presence or absence of visible emissions.

(iii) Condition of fabric filters, including presence of any tears, holes, and abrasions.

(iv) Presence of dust deposits on clean side of fabric filters.

(v) Brief description of corrective actions taken, including date and time.

(vi) Daily hours of operation for each air cleaning device.

(5) Retain a copy of all monitoring and inspection records for at least two years.

(6) Submit quarterly a copy of visible emission monitoring records to the Control Officer if visible emissions occurred during the report period. Quarterly reports shall be postmarked by the 30th day following the end of the calendar quarter.

FIGURE 1. Record of Visible Emission Monitoring

Date of inspection (mo/day/yr)	Time of inspection (a.m./p.m.)	Air cleaning device or fugitive source designation or number	Visible emission observed (yes/no), corrective action taken	Daily operating hours	Inspector's initials

FIGURE 2. Air Cleaning Device Inspection Checklist 1. Air cleaning device designation or number _______________________________

2. Date of inspection _________ __________ _____________ ____________

3. Time of inspection __________ __________ ___________ ____________

4. Is air cleaning device operating properly
(yes/no) __________ _________ ________ ________

5. Tears, holes, or abrasions in fabric filter
(yes/no) __________ _________ ________ ________

6. Dust on clean side of fabric filters
(yes/no) __________ _________ ________ ________

7. Other signs of malfunctions or potential malfunctions
(yes/no) __________ _________ ________ ________

8. Describe other malfunctions or signs of potential malfunctions.

9. Describe corrective action(s) taken.

10. Date and time corrective action taken.

__________ _________ ________ ________

11. Inspected by:

_____________________________ ______________________________
(Print/Type Name) (Title)

_____________________________ ______________________________
(Signature) (Date)

_____________________________ ______________________________
(Print/Type Name) (Title)

_____________________________ ______________________________
(Signature) (Date)