Toronto — Chemtrade Logistics Income Fund reported net earnings of $10 million ($0.19 per diluted unit) on revenues of $217.5 million for the second quarter ending June 30, compared to the year-ago $8.5 million ($0.16 per share) on sales of $227.6 million. Chemtrade said the income increase was primarily due to an income tax recovery during the quarter, compared to an income tax expense during the year-ago quarter. Revenues were down due to lower revenues in the International segment, where sales were down to $49 million from $63.1 million, with the company citing lower sulfur volumes and prices. Chemtrade said North American sales volumes for most of its products in 2013 have been up, including sulfuric acid. Six-month earnings were $14.3 million ($0.34 per unit) on sales of $427.6 million, versus the year-ago $12.7 million ($0.31 per unit) on sales of $455.4 million.