Stirophos Back Catalog number: 79346 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11726.12-100-IO 2,3,4,5,6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 81806 EPA Method 504 Price on request 10889.2-10MG Ethyl sulfate sodium salt,neat,neat,10mg, Price on request