STANDARDS PRESENTATION Page 8 of 19 TO
CALIFORNIA OCCUPATIONAL SAFETY AND HEALTH STANDARDS BOARD
TITLE 8 , DIVISION 1 , CHAPTER 4
2 . Wet methods or vacuum cleaners equipped with HEPA filters shall be used to collect all wastes , dusts , residues , debris , or other materials that are generated from high-exposure trigger tasks or that otherwise contain or are contaminated with respirable crystalline silica .
3 . Employees engaged in housekeeping tasks shall use respirator protection in accordance with subsection ( h )( 3 ).
4 . The employer shall provide readily accessible washing facilities in accordance with Section 3366 ( Washing Facilities ).
( C ) The Division may require the employer to take additional actions to protect employees through the issuance of an Order to Take Special Action in accordance with Section 332.3 .
( D ) Prohibitions . The following practices are prohibited for high-exposure trigger tasks , regardless of exposure levels .
1 . Any use of compressed air :
a . On waste , dust , debris , residue , or other materials that may contain crystalline silica ;
b . On any surface or clothing or body surface that may contain crystalline silica ; and
c . To back flush , backwash , or clean water , air , or other types of filters that may contain crystalline silica .
2 . Any dry sweeping , shoveling , disturbing , or other dry clean-up of wastes , dusts , debris , or other materials that may contain crystalline silica .
3 . Use of employee rotation as a means of reducing employee exposure to respirable crystalline silica .
4 . Walking or moving equipment on or through dry dust , debris , residue , or other materials that may contain crystalline silica .
( 32 ) Written exposure control plan .
( A ) The employer shall establish and implement a written exposure control plan that contains at least the following elements :
1 . A description of the tasks in the workplace that involve exposure to respirable crystalline silica ;
OSHSB-98 ( 2 / 98 )