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).