QC Standard 2 Back Catalog number: 53085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96108 PAH Standard, 2000µg/ml in MethyleneChloride, 1ml Price on request N378012 2-Naphthylamine-d7, 5mg Price on request 92809 EPA Method 8240A Mix #3 Price on request