EPA Method 525.2 Pesticide Level 5 Back Catalog number: 92842 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9147 4-Nitroquinoline-1-oxide Price on request H946332 4-Hydroxy-3-methoxymandelic Acid-d3, 10mg Price on request L-PFTRDS Sodium perfluoro-1-tridecanesulfonate, 50µg/ml MeOH, 1,2ml Price on request