EPA Method 8141 Standard Back Catalog number: 93543 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PAH-STK-B PAH Native Stock Solution, 1.2ml, toluene Price on request 72731 Tri(ethyleneglycol) monoethyl ether Price on request 10360.18-K-ME Nordoxepin hydrochloride Price on request