Specifications include, but are not limited to: The AQUA AMMONIA supplied under terms of this proposal shall contain no inorganic or organic substances in quantities capable of producing deleterious or injurious effects upon the health of those consuming water treated with it, nor shall it contain any substances which react with source or process waters to produce a substance which could be deleterious or injurious to the health of the consumer. For this purpose, an injurious or deleterious effect is defined as causing the concentration of any one (1) of the chemical substances regulated in drinking water by the United States Environmental Protection Agency (USEPA) and/or Texas Commission on Environmental Quality (TCEQ) to exceed the Maximum Contaminant Level, established and in effect at the time of delivery, for that substance, or cause a significant increase in the concentration of that substance over levels currently observed.