RULE 504 Contents of Petitions - Adopted 4/18/72, Amended 8/31/76, 
                   Renumbered 5/89

          I.  Every Petition Shall State:

              A.  The name, address and telephone number of the petitioner,
                  or other person authorized to receive service of notices.

              B.  Whether the petitioner is an individual, co-partner,
                  corporation or other entity, the names and addresses of
                  the partners if a co-partnership, names and addresses of
                  the officers if a corporation, and the names and
                  addresses of the persons in control, if other entity.

              C.  The type of business or activity involved in the
                  application and the street address at which it is

              D.  A brief description of the article, machine, equipment 
                  or other contrivance, if any involved in the application.

              E.  The section or Rule under which the petition is filed;
                  that is, whether petitioner desires a hearing:

                  1.  To determine whether a permit shall be revoked, or a
                      suspended permit reinstated under Section 42307 
                      Health and Safety Code of the State of California;

                  2.  For a variance under Section 42350 Health and Safety

                  3.  To revoke or modify a variance under Section 42356
                      Health and Safety Code;

                  4.  To review the denial or conditional granting of an
                      Authority to Construct or Permit to Operate under 
                      Rule 201 of these Rules and Regulations.

              F.  Each petition shall be signed by the petitioner, or by
                  some person on his behalf, and where the person signing
                  is not the petitioner it shall set forth his authority 
                  to sign.

              G.  Petitions for revocation of permits shall allege in
                  addition the Rule under which permit was granted, the
                  Rule or Section which is alleged to have been violated,
                  together with a brief statement of the facts constituting
                  such alleged violation.

              H.  Petitions for reinstatement of suspended permits shall
                  allege in addition the Rule under which the permit was
                  granted, the request and alleged refusal which formed 
                  the basis for such suspension, together with a brief
                  statement as to why information requested, if any, was
                  not furnished, whether such information is believed by
                  petitioner to be pertinent, and if so, when it will be

              I.  All petitions shall be typewritten, double-spaced, on
                  legal or letter size paper, on one side of the paper
                  only, leaving a margin of at least one inch at the top
                  and left side of each sheet.