A permittee shall monitor monthly for total nitrogen and/or total phosphorus if the discharge is to a nutrient limited watershed as designated in OAC 252:730.
Okla. Admin. Code § 252:606-6-93
A permittee shall monitor monthly for total nitrogen and/or total phosphorus if the discharge is to a nutrient limited watershed as designated in OAC 252:730.
Okla. Admin. Code § 252:606-6-93