Table 1: Chemical disclosure requirements by states.

Chemical disclosure required to the stateNo chemical disclosure required to the state
Disclosure of trade secret to medical personnelNo disclosure of trade secret to medical personnel

ArkansasAlabamaAlaska, California
Colorado*Indiana Illinois, Kansas
Montana*Louisiana Kentucky, Mississippi
OhioMichiganMissouri, Nebraska
Pennsylvania*New MexicoNew York, South Dakota
Texas*North DakotaTennessee, Utah
OklahomaVirginia, Washington
West Virginia
Wyoming

States requiring physicians to sign confidentiality agreements.