1. and , The Production and Use of Fire Retardant Additives in Ontario, Environmental Protection Service, Environment Canada, Ottawa, MS Report No. O. R.22 (1978).
2. Midwest Research Institute, Assessment of the Need for Limitation on Triaryl and Trialkyl/Aryl Phosphates, Draft final report, EPA Contract No. 68–01-4313 (1979).
3. Technical material leaflet available from A & K Petro-Chem Industries Limited, Weston, Ontario.
4. , and , Use of Tributoxyethyl Phosphate to Control Foam in the Production of Soda Ash from Trona, US Patent No. 4 083 939; 11 April (1978).