... They increase biological oxygen demand, are highly toxic to aquatic organisms, and can be carcinogenic to man and animals. All are mutagenic and harmful to reproduction. Heavy PAHs bind strongly ... segregated CBM and conventional oil and gas produced water volume data. API’s 1995 study indicated that the management and disposal of E&P wastes was following a trend toward less discharge ... Estimate Nebraska 164,688 61,200 51,191 State Nevada No data available 6,700 2,765 Estimate New Mexico 445,265 706,000 112,934 State New York No data available 300 844 State North Dakota 59,503...