1. (a) Except as provided in subdivision (b), all abrasive blasting operations shall be conducted within a permanent building.

2. (b) An abrasive blasting operation conducted under one or more of the following conditions is not required to be conducted within a permanent building:

   1. (1) Steel or iron shot/grit is used exclusively;
   2. (2) The item to be blasted exceeds 8 feet in any dimensions; or
   3. (3) The surface being blasted is situated at its permanent location or not further away from its permanent location than is necessary to allow the surface to be blasted.

3. (c) Except for testing conducted in accordance with section 92530(b)(1)(B) and as otherwise provided in section 92510 or 92520, any abrasive blasting operation conducted in accordance with subsections (b)(2) and (b)(3) outside a permanent building must use exclusively:

   1. (1) Wet abrasive blasting;
   2. (2) Hydroblasting;
   3. (3) Vacuum blasting; or
   4. (4) Abrasives certified for permissible dry outdoor blasting.

Note: Authority cited: Sections 39600 and 39601, Health and Safety Code. Reference: Sections 41900, 41902, 41904 and 41905, Health and Safety Code.

History

1. Amendment filed 1-2-76; effective thirtieth day thereafter (Register 76, No. 1).

2. Renumbering of article 4 (section 92400) to article 3 and renumbering of article 5 (sections 92500-92520, not consecutive) to article 4 and amendment of Note filed 10-18-82; effective thirtieth day thereafter (Register 82, No. 43).

3. Amendment filed 8-30-84; effective thirtieth day thereafter (Register 84, No. 35).

4. Repealer and new subsections (a), (b) and (c) filed 5-1-91; operative 5-31-91 (Register 91, No. 24).