Wis. Admin. Code Department of Natural Resources NR 245.12

Current through October 28, 2024
Section NR 245.12 - Standards of performance

The following effluent limitations for all or specific subcategories establish the quantity or quality of pollutants or pollutant properties which may be discharged by a facility which is a new source subject to the provisions of this chapter.

(1) There shall be no discharge of process waste waters from the normal wheat flour milling, normal rice milling, animal feed, and hot cereal subcategories.
(2) The pH of all discharges shall be within the range of 6.0 to 9.0.
(3) The 30 day average and daily maximum limitations for BOD5 and suspended solids are set forth in table 3.
(4) The effluent limitations for process subcategories in table 3 are in lbs/MsBu of corn or wheat processed and in lbs/1000lbs or kg/1000kg of rice processed. The limitations for corn and wheat may be converted to kg/1000kg by dividing the english unit limitation by 56 in the case of corn and 60 in the case of wheat.
(5) The effluent limitations for product subcategories in table 3 are in lbs/1000lbs or kg/1000kg of cereal product for the ready-to-eat subcategory and of wheat flour raw material for the wheat starch and gluten subcategory.

Table 3

Standard of Performance Effluent Limitation

BOD5

Suspended Solids

Process subcategory

Ave.

Max.

Ave.

Max.

corn dry milling

2

6

1

3

corn wet milling

20

60

10

30

bulgur wheat flour milling

.3

.9

.2

.6

parboiled rice milling

.07

.21

.03

.09

Product subcategory

ready-to-eat cereal

0.20

0.60

0.15

0.45

wheat starch and gluten

1.0

3.0

1.0

3.0

Wis. Admin. Code Department of Natural Resources NR 245.12

Cr. Register, June, 1976, No. 246, eff. 7-1-76.