NR 279.16(4)(4) The quantity and quality of pollutants or pollutant properties controlled by this subsection, attributable to once-through cooling water, are excluded from the discharge allowed by sub. (2). Once-through cooling water may be discharged with a total organic carbon concentration not to exceed 5 mg/l.

NR 279.17NR 279.17 Pretreatment standards for new sources (PSNS). Except as provided in 40 CFR 403.7, any new source subject to this subcategory which introduces pollutants into a publicly owned treatment works shall comply with 40 CFR Part 403 and achieve the following pretreatment standards for new sources (PSNS).

NR 279.17(1)(1) The following standards apply to the total refinery flow contribution to the POTW:

NR 279.17 Note1Where the discharge to the POTW consists solely of sour waters, the owner or operator has the option of complying with this daily maximum mass limitation for ammonia set forth in s. NR 279.16 (1) and (2).

NR 279.17(2)(2) The following standard is applied to the cooling tower discharge part of the total refinery flow to the POTW by multiplying:

NR 279.20NR 279.20 Applicability; description of the cracking subcategory. The provisions of this subcategory are applicable to all discharges from any facility that produces petroleum products by the use of topping and cracking, whether or not the facility includes any process in addition to topping and cracking. The provisions of this subcategory are not applicable, however, to facilities that include the processes specified in the petrochemical, lube or integrated subcategories.

NR 279.22NR 279.22 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

NR 279.22(1)(1) Except as provided in 40 CFR 125.30-125.32, any existing point source subject to this subcategory shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available:

NR 279.22(2)(2) The limits set forth in sub. (1) shall be multiplied by the following factors to calculate the maximum for any one day and maximum average of daily values for 30 consecutive days.

NR 279.22(3)(3) The provisions of s. NR 279.12 (3) apply to discharges of process wastewater pollutants attributable to ballast water by a point source subject to the provisions of this subcategory.

NR 279.22(4)(4) The quantity and quality of pollutants or pollutant properties controlled by this subsection, attributable to once-through cooling water, are excluded from the discharge allowed by sub. (2). Once-through cooling water may be discharged with a total organic carbon concentration not to exceed 5 mg/l.

NR 279.22(5)(5) The following effluent limitations constitute the quantity and quality of pollutants or pollutant properties controlled by this subsection and attributable to contaminated runoff, which may be discharged after the application of the best practicable control technology currently available by a point source subject to this subcategory.