20. American Society for Testing Materials. ASTM C1566-73: Standard 

 definitions of terms relating to rubber and rubber-like materials, ASTM 

 annual standards, part 28, Jul 1973. 



21. Modern plastics encyclopedia, 1974-1975, vol. 51, no. 10A. New 

 York, NY, McGraw-Hill, Oct 1974. 



22. E. I. Du Pont de Nemours and Co. , Elastomer Chemicals Department. 

 Engineering guide to the Du Pont elastomers. Wilmington, DE. 



23. . Engineering properties of adiprene urethane rubber. Wilmington, 



DE. 



24. The Goodyear Tire and Rubber Co. Goodyear pond and reservoir 

 liners. Akron, OH. 



25. Herculite Protective Fabrics Corp. Herculite Information Bulletin 

 No. MS- 8: A guide to chemical resistance of standard Herculite fabrics. 

 New York, NY Dec 1972. 



26. . Herculite Technical Information Bulletin No. LR-7: Herculite 



LR oil resistant fabrics. New York, NY, Nov 1971. 



27. Burke Rubber Company. Burke Product Bulletin, Product No. D-7300- 

 4: Burke pond/pit liner. San Jose, CA. 



28. Seaman Corporation, Shelter-Rite Division. Specifications: Shelter 

 Rite coated industrial fabrics, style 7028. Millersburg, OH. 



29. . Specifications: Shelter Rite coated industrial fabrics, 



style 8218. Millersburg, OH. 



30. Jack Lee. ''Selecting membrane pond liners," Pollution Engineering, 

 no. 40, Jan 1974, p. 33. 



31. ''New antifouling compounds," National Defense, Jan-Feb 1974, p. 

 270. 



26 



