40 CFR Part 425
LEATHER TANNING AND FINISHING POINT SOURCE CATEGORY
June 9, 2020
Topic
General Provisions
Subpart
A
Hair Pulp, Chrome Tan, Retan-Wet Finish Subcategory
Subpart
B
Hair Save, Chrome Tan, Retan-Wet Finish Subcategory
Subpart
C
Hair Save or Pulp, Non-Chrome Tan, Retan-Wet Finish Subcategory
Subpart
D
Retan-Wet Finish-Sides Subcategory
Subpart
E
No Beamhouse Subcategory
Subpart
F
Through-the-Blue Subcategory
Subpart
G
Shearling Subcategory
Subpart
H
Pigskin Subcategory
Subpart
I
Retan-Wet Finish-Splits Subcategory
Appendix
A
Potassium Ferricyanide Titration Method
Appendix
B
Modified Monier-Williams Method
Appendix
C
Definition and Procedure for the Determination of the Method Detection Limit
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