An Industrial User with a discharge to a sewer system and which the Department determines is classified by the following Standard Industrial Classification (SIC) Codes, or the corresponding North America Industry Classification System (NAICS) codes, is subject to 314 CMR 7.03(2) and 314 CMR 7.05(1)(h):

1000-1399 Metal Mining, Coal Mining, Oil and Gas Exploration; 1474-1499 Chemical/Fertilizer Mining, Nonmetallic Minerals; 2000-3999 Manufacturing; 4231 Maintenance Facilities for Motor Freight Transport; 4581 Airports, Flying Fields and Airport Terminal Service; 4911-4939 Electric and Gas Production; 4953 Refuse Systems; 7216 Dry-cleaning (except rug cleaning); 7217 Carpet and Upholstery Cleaning; 7218 Industrial Laundries; 7384 Photofinishing Laboratories; 7532-7539 Automotive Repair Shops and Paint Shops; 7549 Automotive Services; 7819 Motion Picture Developing/Printing/Film Processing; 8062-8069 Hospitals; 8071 Medical Laboratories; 8072 Dental Laboratories; 8731 Commercial Physical and Biological Research; and Remedial discharges under M.G.L. c. 21E at any active or inactive facility falling in one or more of the above SIC Code categories.

REGULATORY AUTHORITY

314 CMR 7.00: M.G.L. c. 21, §§ 26 through 53.

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