intrinsically safe shop vac
Safety standard petitions: Remington Coal Company, Inc., et al.,
... which has ventilated the battery charging station (old inside shop) near Sugar Run Shaft. Docket No.: M-96-081-C. FR Notice: 61 FR 47193. ...Summary of Findings: Petitioner's proposal to use an intrinsically safe atmospheric monitoring system (AMS), a Trolex Explosive Gas Sensor ...