SAN DIEGO COUNTY AIR POLLUTION CONTROL DISTRICT
RULE 361.144 - STANDARD FOR MANUFACTURING
This rule applies to the following manufacturing operations using commercial asbestos:
(1) The manufacture of cloth, cord, wicks, tubing, tape, twine, rope, thread, yarn, roving,
lap, or other textile materials.
(2) The manufacture of cement products.
(3) The manufacture of fireproofing and insulating materials.
(4) The manufacture of friction products.
(5) The manufacture of paper, millboard, and felt.
(6) The manufacture of floor tile.
(7) The manufacture of paints, coatings, caulks, adhesives, and sealants.
(8) The manufacture of plastics and rubber materials.
(9) The manufacture of chlorine utilizing asbestos diaphragm technology.
(1) Each owner or operator of any of the manufacturing operations to which this rule applies
(2) Each owner or operator of any of the manufacturing operations to which this section
(i) Monitor each potential source of asbestos emissions from any part of the manufacturing facility, including
air cleaning devices, process equipment, and buildings housing material processing and handling equipment, 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.
(ii) Inspect each air cleaning device at least once each week for proper operation and for changes that signal
the potential for malfunctions, 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:
(A) Maintenance schedule.
(B) Recordkeeping plan.
(iii) Maintain records of the results of visible emission monitoring and air cleaning device inspections using
a format similar to that shown in Figures 1 and 2 and include the following:
(A) Date and time of each inspection.
(B) Presence or absence of visible emissions.
(C) Condition of fabric filters, including presence of any tears, holes and abrasions.
(D) Presence of dust deposits on clean side of fabric filters.
(E) Brief description of corrective actions taken, including date and time.
(F) Daily hours of operation for each air cleaning device.
(iv) Furnish upon request, and make available at the affected facility during normal business hours for inspection
by the Control Officer, all records required under this rule.
(v) Retain a copy of all monitoring and inspection records for at least two years.
(vi) Submit quarterly a copy of the 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