Product deliverers must ensure delivery of regulated substances to UST systems are authorized and do not result in spills or overfills. Waste oil collectors must ensure withdrawals of regulated substances from waste oil UST systems are authorized.

(1) Authority to deliver or deposit. Without the prior written authorization of the department, a product deliverer may not deliver or deposit regulated substances into an UST system if:

(a) A valid facility compliance tag is not properly displayed at the UST facility where the UST system is located (RCW 90.76.050(1) and WAC 173-360A-0220(1) and 173-360A-0280(4));

(b) A red tag is attached to the fill pipe of the UST system (RCW 90.76.050(1) and WAC 173-360A-0280(4)); or

(c) The product deliverer knows that a release from the UST system has been confirmed and the UST system has not been repaired, regardless of whether a facility compliance tag is properly displayed at the UST facility.

(2) Authority to withdraw waste oil. Without the prior written authorization of the department, persons may not withdraw regulated substances from a waste oil UST system if:

(a) A valid facility compliance tag is not properly displayed at the UST facility where the UST system is located (WAC 173-360A-0220(1) and 173-360A-0280(5)); or

(b) A red tag is attached to the fill pipe of the UST system (WAC 173-360A-0280(5)).

(3) Spill and overfill control. To prevent spills and overfills during the transfer of regulated substances into an UST system, product deliverers must comply with the requirements in WAC 173-360A-0400(3).

(4) Reporting spills and overfills. Product deliverers and waste oil collectors must report any spill or overfill of regulated substances, including into spill prevention equipment, immediately to the owner or operator.