EPA Method 8330 Analyte Back Catalog number: 79252 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 34601 1,4-Diisopropylbenzene Price on request 677561 3-(4-Methylbenzylidene)camphor, 250mg Price on request SCP150-021-011 CONOSTAN Standard S-21, 500 ppm, 100g Price on request