EPA 1620 Standard 5 Back Catalog number: 53143 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3500.8-100-CY Ronnel Price on request 3707.10-110-05HC Gonyautoxin-2 and -3, 114.2+43.4µM, Solvent-HCl/AcOH(Aq), Unit 0.5mL, # of units-1, Cas.no. 60508-89-6/60537-65-7 Price on request S-4173-100-XY Recovery ISTD - PAH 3 Analytes each 100µg/mL in xylene; unit: 1x1mL 1534.20 d12-Perylene [1520-96-3] 1524.12 d10-Acenaphthene [15067-26-2] 1530.13 d10-Fluorene [81103-79-9] Price on request