6807 EVERGREEN WAY 2016-01-01 MF Import

4. Outlets from the tank area shall have positive control to prevent uncontrolled discharge from the tank area of spilled chemicals or petroleum products. 5. The outlet shall have a dead-end sump for the collection of small spills. It shall be cleaned weekly to minimize the potential For contaminahon of stortnwarer and/or ground warer. 6. During the wet season, accumulated stormwater shall be released irequently. 7. For petroleum tank facns, the stormwater shall pass through an API or CP-type oil/water separator in addition to other requirements. 8. If a tank is to be located in an area where firearms may be discharged, concrete encapsulation (or equivalent) should be used to procect the inner tank. 9. Tanks sl�ould be guarded against vehicles through the use of bollards or traffic barriers. 10. All instaliations shall be done per the Uniform Fire Code and the National Electric Code. SMALL PORTABLE TANK STORAGE l. A secondary container that completely encloses the tank shall be used whenever liquids are temporarily stored i� a portable tank. 2. When liquids are permanently stored in portable tanks, the containment systcro shail be a bermed impervious area (using either heavy mil plastic or Portland cement). The minimum storage volume shall be 100% of the total tank volume. 3. If a tank is to be located in an area where firearms may be discharged, concrete encapsulation (or equivalent) should be used to protect the inner tank. 4. Tanks should be guarded against vehicles through the use of bollards or traffic barziers as appropriate. 5. All tank installations should be per the Unifortn Fire Code and the National Electric Code. TEMPORARY TANK STORAGE Temporary fuel tanks used to fuel vehicles in the field shall be placed in a bermed, impervious (using heavy mil plastic or Portland cement) area. The bermed area shall be large enough to contain the greater of: 10% of the total enclosed combined tank volume or 110 percent of the la�gest tank's volume. EXCEPT[ONS Double walled tanks do not need containment systems, for either pertnanent, portable, or temporary installations. All double-walled tanks shall be UL approved. 4-2.2.6 BMP 51.50 C9NTAINER STQRAGE OF LIQUIDS, FOOD `JVASTES UR DANGEROUS WASTES A container is any portable device in which material is stored. These practices apply to container(s) located outside a building used to temporarily store accumulated food wastes, vegetable or animal grease, used oil, liquid feedstock or cleaning chemical, or Dangerous Wastes (liquid or solid, unless the business is pemtitted by DOE ta store the wastes (R.4 in Section 4-3)). l. Containers used to store Dangerous Waste, food waste, or other liquids shall be 4;ept inside a building unless impracticable due to site consvaints or Uniform Fire Code requirements. If the containers are placed outside, the requirements of this BMP must be met. 4-2-10