The department of ecology shall provide proper and adequate procedures to safeguard the confidentiality of manufacturing processes: PROVIDED, That the confidentiality shall not extend to waste products discharged into the waters or air of the state.[ 1971 ex.s. c 160 s 2.]
Confidentiality as to manufacturing processes.
RCW 90.52.020, under Chapter 90.52 Pollution disclosure act of 1971..
RCW 90.52.020