Control Technique/Equipment | Inspection and Maintenance Requirements | Frequency |
Composite Mesh-Pad (CMP) System, Packed-Bed Scrubber (PBS), or PBS/CMP | 1. Visually inspect device to ensure that there is proper drainage, no unusual Chromic Acid buildup on the pads and/or packed beds, and no evidence of chemical attack that affects the structural integrity of the device. | 1. Quarterly. |
2. Visually inspect back portion of the mesh pad closest to the fan to ensure there is no breakthrough of Chromic Acid Mist, and/or back portion of the chevron mist eliminator to ensure it is dry and there is no breakthrough of Chromic Acid Mist. | 2. Quarterly. | |
3. Visually inspect ductwork from Tank to the Add-on Air Pollution Control Device to ensure there are no Leaks. | 3. Quarterly. | |
4. Perform washdown and/or add fresh makeup water to the packed bed when it is needed. | 4. Per manufacturer. | |
Fiber-Bed Mist Eliminator A | Same as number 1 for CMP, PBS, or PBS/CMP. | 1. Quarterly. |
Same as number 3 for CMP, PBS, or PBS/CMP. | 2. Quarterly. | |
Same as number 4 for CMP, PBS, or PBS/CMP. | 3. Per manufacturer. | |
High Efficiency Particulate Arrestor (HEPA) Filter | 1. Look for changes in the pressure drop. | 1. Weekly. |
2. Replace HEPA Filter. | 2. Per manufacturer's specifications or District's requirement. | |
Enclosed Hexavalent Chromium Plating Tanks [Facilities subject to section 93102.6(b)] | 1. Drain the air-inlet (purge air) valves at the end of each day that the Tank is in operation. | 1. Daily. |
2. Visually inspect Tank access door seals and membranes for integrity. | 2. Weekly. | |
3. Drain the evacuation unit directly into the Chrome Plating Tank or into the rinse Tanks (for recycle into the Chrome Plating Tank). | 3. Weekly. | |
4. Visually inspect membranes for perforations using a light source that adequately illuminates the membrane (e.g. Grainger model No. 6X971 Fluorescent Hand Lamp). | 4. Monthly. | |
5. Visually inspect all clamps for proper operation; replace as needed. | 5. Monthly. | |
6. Clean or replace filters on evacuation unit. | 6. Monthly. | |
7. Visually inspect piping to, piping from, and body of evacuation unit to ensure there are no Leaks and no evidence of chemical attack. | 7. Quarterly. | |
8. Replace access door seals, membrane evacuation unit filter, and purge air inlet check valves in accordance with the manufacturer's recommendations. | 8. Per manufacturer. | |
Pitot tube | Backflush with water or remove from the duct and rinse with Fresh Water. Replace in the duct and rotate 180 degrees to ensure that the same zero reading is obtained. Check pitot tube ends for damage. Replace pitot tube if cracked or fatigued. | Quarterly. |
Ampere-Hour meter | Install and maintain per manufacturer's specifications. | Per manufacturer. |
Stalagmometer/Tensiometer | Calibrate and maintain per manufacturer's specifications. | Per manufacturer. |
Building Enclosure | Visually inspect for Breaches in Building Enclosure(s) required pursuant to section 93102.4(d). | Weekly |
_____________ |
A Inspection and maintenance requirements for the control device installed upstream of the Fiber-Bed Mist Eliminator to prevent plugging do not apply as long as the inspection and maintenance requirements for the fiber-bed unit are followed.
Cal. Code Regs. Tit. 17, § 93102.10
Note: Authority cited: Sections 39600, 39601, 39650, 39658, 39659, 39666 and 41511, Health and Safety Code. Reference: Sections 39650, 39658, 39659, 39665, 39666 and 41511, Health and Safety Code; and 40 Code of Federal Regulations Part 63 Subpart N.
Note: Authority cited: Sections 39600, 39601, 39650, 39658, 39659, 39666 and 41511, Health and Safety Code. Reference: Sections 39650, 39658, 39659, 39665, 39666 and 41511, Health and Safety Code; and 40 CFR Part 63 Subpart N.
2. Amendment of section and NOTE filed 12-28-2023; operative 1/1/2024 pursuant to Government Code section 11343.4 (Register 2023, No. 52).