(1) The director shall require the information required under RCW 15.58.060 and shall register the label or labeling for such pesticide if he determines that:

     (a) Its composition is such as to warrant the proposed claims for it;

     (b) Its labeling and other material required to be submitted comply with the requirements of this chapter;

     (c) It will perform its intended function without unreasonable adverse effects on the environment;

     (d) When used in accordance with widespread and commonly recognized practice it will not generally cause unreasonable adverse effects on the environment;

     (e) In the case of any pesticide subject to section 24(c) of FIFRA, it meets (1)(a), (b), (c), and (d) of this section and the following criteria:

     (i) The proposed classification for general use, for restricted use, or for both is in conformity with section 3(d) of FIFRA;

     (ii) A special local need exists.

     (2) The director shall not make any lack of essentiality a criterion for denying registration of any pesticide.

[1979 c 146 § 2; 1971 ex.s. c 190 § 10.]