Доступен ли доступный порт карты 100 Tph или нет. TPH GRO by EPA 8015 & TPH DRO Chromatograms . TPH GRO by EPA 8015 & TPH DRO Chromatograms comparing various fuel and oil types The EPA 8015 TPH GRO and DRO method is the primary tool for quantifying petroleum in the "gasoline range" and the "diesel range".