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Synonym(s):
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Total
coliform, Dairy Water MPN
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Requisition Form
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G-20
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Test Description
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Detects
the presence of Total coliform bacteria in Dairy Waters.
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Pre-Approval Needed
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Regulatory
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Supplemental Information Required
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N/A
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Supplemental Form(s)
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N/A
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Performed on Specimens from (sources)
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Food |
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Sample/Specimen Type for Testing
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Glycol,
Sweetwater, Chilling Water, Cooling Water, Silo Water, Dairy Waters
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Minimum Volume/Size Required
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>
105 mL
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Storage/Preservation Prior to Shipping
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• Place
sample in water-tight, wide-mouthed container with a capacity of at least 120
mL (4 oz). • Sodium
thiosulfate (100mg/L) must be added to containers before sterilization (0.1
mL of 10% sodium thiosulfate solution, appropriate tablet, or powder). • Samples
must be tested within 30 hours of collection. • Dairy
water samples must be - tested within 6 hours of collection if not
refrigerated (temperature control not required)
- maintained at 0.0°C to 4.5°C
and shipment must include temperature control.
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Transport Medium
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N/A
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Specimen Labeling
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Sample Identification must match submission
form.
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Shipping and Specimen Handling Requirements
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• Ship samples on Ice and/or Ice Packs • Samples must be shipped for overnight delivery • Ship according to Dangerous Good Regulations,
IATA, and/or CFR 49.
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Method
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FORM
FDA/NCIMS 2400m Dairy Waters
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Turn-around Time
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5
Days
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Interferences/Limitations
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Can
detect total coliform bacteria at a sensitivity of <1.1 CFU/100 mL.
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| Common Causes for Rejection
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• Not collected by a Registered Sanitarian • Insufficient quantity specimen • Improperly stored,
• Failure to meet shipping guidelines
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Additional Information
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N/A
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