Minnesota Health List - Gases Back Catalog number: 61011 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9174 Pentachlorobenzene Price on request 98859 Formaldehyde-DNPH Level 2 (0.5ug/mL) Price on request MI526-100 Powder reagents for free chlorine (100 tests). Contains: 100 sachets Price on request