What's New Carcinogen Found In Houston After Harvey by Crystal J October 8, 2017 by Crystal J October 8, 2017 High levels of the carcinogen benzene were detected in a Houston neighborhood close to a Valero Energy refinery, local health officials said, heightening concerns over potentially hazardous leaks from oil… Read more 0 FacebookTwitterPinterestLinkedinTumblrRedditStumbleuponWhatsappEmail