SPS 382.34(14)(a)2.b.b. The minimum retention capacity shall be as per the manufacturer’s specifications. SPS 382.34(14)(a)2.c.c. The minimum retention capacity for a quantity exceeding 150 sinks or for special uses or installations shall be approved by the department. SPS 382.34(14)(a)3.3. Where a sufficient supply of diluting water cannot be provided to a dilution or neutralizing basin, the basin shall be filled with marble or limestone chips of not less than one inch nor more than 3” in diameter to the level of the basin’s outlet. SPS 382.34(14)(a)4.4. Either the inlet or outlet of a dilution or neutralizing basin shall be submerged to form a trap with a water seal of at least 4”. SPS 382.34(14)(b)(b) Vents. Vents for chemical waste systems shall be sized and installed in accordance with all of the following: SPS 382.34(14)(b)1.1. Dilution and neutralizing basins with submerged inlets shall have a sanitary vent connected to the basin and a chemical waste vent connected to the inlet pipe. The pitch and the developed length of the drain between the submerged basin inlet and the chemical waste vent shall be in accordance with Table 382.31-1. SPS 382.34(14)(b)2.2. Dilution and neutralizing basins with submerged outlets shall have a chemical waste vent connected to the basin and a sanitary vent connected to the outlet pipe. The pitch and the developed length of the drain between the submerged basin outlet and the sanitary vent shall be in accordance with Table 382.31-1. SPS 382.34(14)(b)3.3. The vents for a chemical waste basin shall be sized based on the number of drainage fixture units discharging into the basin and installed in accordance with s. SPS 382.31. SPS 382.34(15)(15) Special wastewater or mixed wastewater treatment or containment devices. Mixed wastewater treatment and containment devices, decontamination tanks or other special wastewater treatment devices shall discharge to a dispersal or treatment system in accordance with this section or as approved by the department. SPS 382.34 NoteNote: A sanitary permit may be required. See ch. SPS 383 for requirements relating to containment tank installation with no valved discharge. SPS 382.34(15)(a)1.1. Exterior containment devices or treatment systems for mixed wastewater, decontamination tanks and other special wastewater treatment devices shall not be located within 5 feet of a building or any portion of the building or swimming pool; 10 feet of a water service; 2 feet of a lot line; 10 feet of a clearwater cistern or 10 feet of the high water mark of a lake, stream, pond or flowage. SPS 382.34 NoteNote: The department of natural resources under chs. NR 811 and 812 may require additional setbacks. See ch. SPS 382 Appendix for further explanatory material. SPS 382.34(15)(a)2.2. Containment devices or treatment systems for mixed wastewater, decontamination tanks, or other special wastewater treatment devices shall be constructed in accordance with s. SPS 384.25 or as approved by the department. SPS 382.34(15)(b)(b) Vents. Vents for mixed wastewater, decontamination tanks and other special wastewater treatment systems shall be sized and installed in accordance with s. SPS 382.31. SPS 382.34(15)(c)(c) Alarm system. Containment devices or treatment systems for mixed wastewater, decontamination tanks and other special wastewater treatment devices shall be equipped with an alarm. SPS 382.34(15)(d)(d) Sampling provision. Containment devices or treatment systems for mixed wastewater, decontamination tanks and other special wastewater treatment devices shall be equipped to allow the collection of a representative sample. SPS 382.34(15)(e)1.1. A discharge line serving a containment tank for servicing purposes shall comply with all of the following: SPS 382.34(15)(e)1.b.b. A discharge line shall terminate with a service port consisting of a quick disconnect fitting with a removable plug. SPS 382.34(15)(e)1.c.c. The service port of a discharge line shall terminate at least 2 feet above final grade. SPS 382.34(15)(e)1.d.d. The service port of a discharge line shall be identified as such with a permanent sign with lettering at least 1/2 inch in height. SPS 382.34(15)(e)1.e.e. The service port of a discharge line shall be secured to a permanent support that is capable of withstanding the loads and forces placed on the port. SPS 382.34(15)(e)2.2. Where a lift station is employed for servicing a containment tank, the pump discharge line shall conform with subd. 1., except as provided in subd. 2. a. and b.
