In general, public records that are exempt from public disclosure are those in the categories listed in RCW 42..56.230 through 42.56.480. Reference must be made to this statute to determine on a case-by-case basis whether a particular record is exempt. When a city denies a request for disclosure of a public record, it must identify the specific statutory exemption upon which the denial is based and it must provide a brief explanation of how that exemption applies. RCW 42.56.520. It should be kept in mind, however, that certain statutes outside of the public records law also prohibit disclosure of particular records.