Anhydrous Ammonia

The laws associated with anhydrous ammonia fertilizer are in The Kansas Fertilizer Law.


Anhydrous Ammonia Storage Tank Policy – 4-13-2021

The following policy applies to anhydrous ammonia storage tanks (tanks) in Kansas.

  1. Rail car tanks with pressure stamps of 250 or higher:
    1. Shall not be placed into service;
    2. If currently in service, shall not be relocated and placed back into service;
    3. If currently in service, shall be taken out of service by January 1, 2030.
  2. Tanks (including rail car tanks) with working pressures less than 250 p.s.i. or with unknown/unverifiable working pressures:
    1. Shall not be placed into service;
    2. If currently in service, shall not be relocated and placed back into service;
    3. If currently in service, shall be taken out of service by December 31, 2022, or
    4. If tank is tested at 250 PSI and approved for Anhydrous service by an individual with a National Board Certification for testing, it may fall under item 4. below.
  3. Tanks, other than those in 1. or 2. above, not meeting the requirements of item 4. below:
    1. Shall not be placed into service;
    2. If currently in service, shall not be relocated and placed back into service;
    3. If currently in service, shall be taken out of service by January 1, 2030.
  4. Tanks that may be used without restrictions on service time or relocations shall meet the following:
    1. The tank was designed and manufactured for anhydrous ammonia storage with a minimum design pressure of 250 p.s.i.;
    2. The tank information is complete and readily available by:
      1. The manufacturer’s data plate (original or replacement) is legible, attached to the tank; or
      2. The build sheet or U-1-A form is available and clearly linked to the tank; or
      3. Recertification documentation is available and clearly linked to the tank.
    3. The tank is without damage;
    4. All repairs and modifications to the tank have been made by and/or approved by a certified R-stamp holder and the documentation is available for inspection;
    5. The tank and its installation comply with KDA statutes and regulations.

This policy supersedes previously issued polices and approvals regarding anhydrous ammonia storage tanks.