- Gum and Wood Chemicals Manufacturing Effluent Guidelines - Interim Final Rule (PDF)(9 pp, 1 MB, May 18, 1976, 41 FR 20506)
- 
      Development Document for Interim Final Effluent Limitations Guidelines and Proposed New Source Performance Standards for the Gum and Wood Chemicals Manufacturing Point Source Category (PDF)(181 pp, 7 MB, 
  April 1976, 
  440/1-76/060b)
  Industry description, wastewater characterization, treatment technologies, regulatory compliance cost estimates and pollutant loadings for the final rule
