(1) The limitation for ammonia does not apply if the mother liquor feed to the ion exchange process or the raffinate from the ion exchange process contains sulfates at concentrations exceeding 1,000 mg/l, this mother liquor or raffinate is treated by ammonia stripping, and this mother liquor or raffinate is not commingled with any other process or nonprocess waters prior to steam stripping for ammonia removal.
(1) Within the range of 7.0 to 10.0 at all times.
NR 274.102 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.103 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.104
NR 274.104
New source performance standards. Any new source subject to this subchapter shall achieve the following standards:
-
See PDF for table 
(1) The limitation for ammonia does not apply if the mother liquor feed to the ion exchange process or the raffinate from the ion exchange process contains sulfates at concentrations exceeding 1,000 mg/l, this mother liquor or raffinate is treated by ammonia stripping, and this mother liquor or raffinate is not commingled with any other process or nonprocess waters prior to steam stripping for ammonia removal.
(1) Within the range of 7.0 to 10.0 at all times.
NR 274.104 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.105
NR 274.105
Pretreatment standards for existing sources. Except as provided in
ss. NR 211.13 and
211.14, any new [existing] source subject to this subchapter which introduces pollutants into a POTW shall comply with
ch. NR 211 and achieve the limitations set forth in
s. NR 274.103.
NR 274.105 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.106
NR 274.106
Pretreatment standards for new sources. Except as provided in
s. NR 211.13, any new source subject to this subchapter which introduces pollutants into a POTW shall comply with
ch. NR 211 and achieve the limitations set forth in
s. NR 274.103.
NR 274.106 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.11
NR 274.11
Applicability; description of the primary columbium-tantalum subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the production of columbium or tantalum by primary columbium-tantalum facilities.
NR 274.11 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.112
NR 274.112
Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. Except as provided in
40 CFR 125.30 to
125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT:
-
See PDF for table
(1) Within the range of 7.5 to 10.0 at all times.
NR 274.112 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.113 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.114
NR 274.114
New source performance standards. Any new source subject to this subchapter shall achieve the following standards:
-
See PDF for table
(1) Within the range of 7.5 to 10.0 at all times.
NR 274.114 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.115
NR 274.115
Pretreatment standards for existing sources. Except as provided in
ss. NR 211.13 and
211.14, any new [existing] source subject to this subchapter which introduces pollutants into a POTW shall comply with
ch. NR 211 and achieve the limitations set forth in
s. NR 274.113.
NR 274.115 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.116
NR 274.116
Pretreatment standards for new sources. Except as provided in
s. NR 211.13, any new source subject to this subchapter which introduces pollutants into a POTW shall comply with
ch. NR 211 and achieve the limitations set forth in
s. NR 274.113.
NR 274.116 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.12
NR 274.12
Applicability; description of the secondary silver subcategory. This subchapter applies to the discharge of pollutants to waters of the state and the introduction of pollutants into POTWs from the production of silver from secondary silver facilities processing photographic and nonphotographic raw materials.
NR 274.12 History
History: Cr.
Register, March, 1991, No. 423, eff. 4-1-91.
NR 274.122
NR 274.122
Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. Except as provided in
40 CFR 125.30 to
125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BPT:
-
See PDF for table
(1) Within the range of 7.5 to 10.0 at all times.
