Fast Phage P/A (Presence/Absence)
Charm Sciences’ Fast Phage tests provide rapid detection of coliphage, a viral structure that is an indicator of fecal contamination in water. Coliphage has recently been named as an alternative indicator for the presence of fecal contamination in water under the US Ground Water Rule. While bacteria, coliforms, enterococci and E. coli, have been the historical indicator organisms for fecal pollution in water, viruses have been the predominant cause of waterborne illnesses. Coliphage are viral structures with similarity to pathogenic enteric viruses, and therefore better risk indicators than their bacterial counterparts.
With its fast results, Fast Phage enables rapid remediation of fecal risks in water supplies. Fast Phage variations include Presence/Absence (P/A), Most Probable Number (MPN), and Continuous Monitoring Tests. Applications include source, distribution and process water monitoring.
Fast Phage P/A is a two-step process to qualitatively detect as little as 1 coliphage per 100 ml sample. An initial 5-hour enrichment is followed with a 3-hour rapid fluorescent prediction of positive as well as a conventional overnight plaque assay modified after EPA Method 1601.
FAST PHAGE P/A AT A GLANCE
• Same day positive prediction – less than 8 hours
• Rapid fluorescent prediction with conventional
overnight plaque determination
• Convenient ready-to-use unit-dosed reagents
• Augment bacterial testing with coliphage viral indicator
• Dedicated kits specific to male specific (F+) and Somatic coliphage
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1.978.687.9200 
info@charm.com
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