In Title 40 of the Code of Federal Regulations, Part 63 (§§ 63.600 to 63.1199), in § 63.1101, the definition of Process wastewater is added alphabetically to read as follows:
Process wastewater means wastewater which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, by-product, or waste product. Examples are product tank drawdown or feed tank drawdown, water formed during a chemical reaction or used as a reactant, water used to wash impurities from organic products or reactants, equipment washes between batches in a batch process, water used to cool or quench organic vapor streams through direct contact, and condensed steam from jet ejector systems pulling vacuum on vessels containing organics.
[FR Doc. 03-55504 Filed 2-7-03; 8:45 am]
BILLING CODE 1505-01-D