(See Revision Note at chapter heading Env-Ws 300) #6521, eff 6-4-97; amd by #7645, eff 2-8-02; ss by #8360, INTERIM, eff 6-4-05, EXPIRES: 12-1-05; ss by #8474, eff 11-30-05 (formerly Env-Ws 319.01 )
(See Revision Note at chapter heading Env-Ws 300) #6521, eff 6-4-97; amd by #7645, eff 2-8-02; ss by #8360, INTERIM, eff 6-4-05, EXPIRES: 12-1-05; ss by #8474, eff 11-30-05 (formerly Env-Ws 319.01 )