USGS - science for a changing world

Scientific Investigations Report 2007–5186

Scientific Investigations Report 2007–5186

Back to Table of Contents

Table 5. Industrial categories contributing to total nitrogen and total phosphorus loads in the Columbia and Puget Sound basins.

[From documentation of Phase I and Phase II activities and U.S. Environmental Protection Agency Permit Compliance System. Abbreviation: SIC, standard industrial classification]

Industrial category SIC code
Plastics materials and resins 2821
Nitrogenous fertilizers 2873
Primary aluminum 3334
Wet corn milling 2046
Blast furnaces and steel mills 3312
Industrial inorganic chemicals, 2819
Petroleum refining 2911
Meat packing plants 2011
Paper mills 2621
Pulp mills 2611
Paints and allied products 2851
Primary nonferrous metals 3339
Paperboard mills 2631
Poultry slaughtering and processing 2015

Back to Table of Contents

AccessibilityFOIAPrivacyPolicies and Notices

Take Pride in America logoU.S. Department of the Interior | U.S. Geological Survey
Page Contact Information: Publications Team
Page Last Modified: Thursday, 01-Dec-2016 19:52:52 EST