CLP - Instrument Performance Check Solution Back Catalog number: 19167 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82503 EPA Method 8250/8250A - Analytes Mix #11 Price on request 11779.10 1,2,3,4,6-Pentachloronaphthalene,,,, Price on request 3479.23-100-CY d-(cis-trans)-Phenothrin Price on request