(b). site check and/or corrective actions as described in LAC 33:XI.711.A.2 and/or 715.C.1.e shall be conducted; (c). all product has been removed from the tank and the tank has been cleaned of any residual product and bottom sludge; (d). the affected tank fill ports are padlocked; (e). all product piping is disconnected from the tank; and (f). the tank is prohibited from delivery (red tagged) by the department the failed tank or piping is repaired, replaced, or permanently closed. b iii. Further investigation is not required if the test results for the system, tank, and delivery piping do not indicate that a leakrelease exists and if environmental contamination is not the basis for suspecting a release. c iv. Owners and operators mustshall either conduct a site check as described in Subsection B2 of this Section or begin corrective action in accordance with LAC 33:XI.715 if the test results for the system, tank, and delivery piping do not indicate that a leakrelease exists, but environmental contamination is the basis for suspecting a release. 2. Site Check. Owners and operators mustshall measure for the presence of a release where contamination is most likely to be present at the UST site. In selecting sample types, sample locations, and measurement methods, owners and operators mustshall consider the nature of the stored substance, the type of initial alarm or cause for suspicion, the type of backfill, the depth of groundwater, and other factors appropriate for identifying the presence and source of the release. Within 20 days after the suspected release notification, or another reasonable period of time determined by the department in writing, owners and operators shall
(b). site check and/or corrective actions as described in LAC 33:XI.711.A.2 and/or 715.C.1.e shall be conducted; (c). all product has been removed from the tank and the tank has been cleaned of any residual product and bottom sludge; (d). the affected tank fill ports are padlocked; (e). all product piping is disconnected from the tank; and (f). the tank is prohibited from delivery (red tagged) by the department the failed tank or piping is repaired, replaced, or permanently closed. b iii. Further investigation is not required if the test results for the system, tank, and delivery piping do not indicate that a leakrelease exists and if environmental contamination is not the basis for suspecting a release. c iv. Owners and operators mustshall either conduct a site check as described in Subsection B2 of this Section or begin corrective action in accordance with LAC 33:XI.715 if the test results for the system, tank, and delivery piping do not indicate that a leakrelease exists, but environmental contamination is the basis for suspecting a release. 2. Site Check. Owners and operators mustshall measure for the presence of a release where contamination is most likely to be present at the UST site. In selecting sample types, sample locations, and measurement methods, owners and operators mustshall consider the nature of the stored substance, the type of initial alarm or cause for suspicion, the type of backfill, the depth of groundwater, and other factors appropriate for identifying the presence and source of the release. Within 20 days after the suspected release notification, or another reasonable period of time determined by the department in writing, owners and operators shall
UT018fin.docx