EPA Method 526 Surrogate Standard Back Catalog number: 93187 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4007-ASS-ACX5 PAH/NPD Stock Solution 21 Analytes, each consentration as listed in acetone; units: 1x1mL, 5x1mL 0711.10 Naphthalene [91-20-3] 1.86 µg/mL 0713.11 2-Methylnaphthalene [91-57-6] Price on request 10581.23-100-ME (±)-Chlorophacinone-d4 (indanedione-4,5,6,7-d4) Price on request 11385.18-10MG Nitrendipine,neat,neat,10mg, Price on request