Chapter NR 252

Chapter NR 252

LEATHER TANNING AND FINISHING

NR 252.01   Purpose.

NR 252.015   Applicability.

NR 252.02   General definitions.

NR 252.03   Sulfide analytical method.

NR 252.035   Potassium ferricyanide titration method.

NR 252.036   Modified Monier-Williams method.

NR 252.0365   Method detection limit method.

NR 252.04   Applicability of sulfide pretreatment standards.

NR 252.05   Compliance date for pretreatment standards for existing sources (PSES).

NR 252.06   Monitoring requirements.

NR 252.10   Applicability; description of the hair pulp, chrome tan, retan-wet finishing subcategory.

NR 252.11   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

NR 252.12   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

NR 252.13   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

NR 252.14   New source performance standards (NSPS).

NR 252.15   Pretreatment standards for existing sources (PSES).

NR 252.16   Pretreatment standards for new sources (PSNS).

NR 252.20   Applicability; description of the hair save, chrome tan, retan-wet finish subcategory.

NR 252.21   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

NR 252.22   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

NR 252.23   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

NR 252.24   New source performance standards (NSPS).

NR 252.25   Pretreatment standards for existing sources (PSES).

NR 252.26   Pretreatment standards for new sources (PSNS).

NR 252.30   Applicability; description of the hair save or pulp, nonchrome tan, retan-wet finish subcategory.

NR 252.31   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

NR 252.32   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

NR 252.33   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

NR 252.34   New source performance standards (NSPS).

NR 252.35   Pretreatment standards for existing sources (PSES).

NR 252.36   Pretreatment standards for new sources (PSNS).

NR 252.40   Applicability; description of the retan-wet finish-sides subcategory.

NR 252.41   Effluent limitations representing the degree of effluent reduction attainable by the control technology currently available (BPT).

NR 252.42   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

NR 252.43   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

NR 252.44   New source performance standards (NSPS).

NR 252.45   Pretreatment standards for existing sources (PSES).

NR 252.46   Pretreatment standards for new sources (PSNS).

NR 252.50   Applicability; description of the no beamhouse subcategory.

NR 252.51   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

NR 252.52   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

NR 252.53   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

NR 252.54   New source performance standards (NSPS).

NR 252.55   Pretreatment standards for existing sources (PSES).

NR 252.56   Pretreatment standards for new sources (PSNS).

NR 252.60   Applicability; description of the through-the-blue subcategory.

NR 252.61   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

NR 252.62   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

NR 252.63   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

NR 252.64   New source performance standards (NSPS).

NR 252.65   Pretreatment standards for existing sources (PSES).

NR 252.66   Pretreatment standards for new sources (PSNS).

NR 252.70   Applicability; description of the shearing subcategory.

NR 252.71   Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).

NR 252.72   Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

NR 252.73   Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

NR 252.74   New source performance standards (NSPS).

NR 252.75   Pretreatment standards for existing sources (PSES).

NR 252.76   Pretreatment standards for new sources (PSNS).

NR 252.80   Applicability; description of the pigskin subcategory.