OWML: QA/QC

TYPE OF MEDIA/BUFFER

SOURCE

STORAGE

HOLDING TIME

mENDO agar

Difco, Detroit, MI

Dry agar – Cabinet

Plates - refrigerator

As specified by manufacturer

3 days as plates

MI agar

OWML

Refrigerator

6 months in dilution bottles

2 weeks as plates

MI agar

Becton Dickinson, Cockeysville, MD

Dry agar – Cabinet

Plates - refrigerator

As specified by manufacturer

2 weeks as plates

Colilert

Idexx Corp., Westbrook, ME

Cabinet

As specified by manufacturer

mFC agar

Difco, Detroit, MI

Dry agar – Cabinet

Plates - refrigerator

As specified by manufacturer

3 days as plates

mTEC agar

OWML

Refrigerator

6 months in dilution bottles

2 weeks as plates

mTEC agar

Becton Dickinson, Cockeysville, MD

Dry agar – Cabinet

Plates - refrigerator

As specified by manufacturer

2 weeks as plates

Modified mTEC

OWML

Refrigerator

6 months in dilution bottles

2 weeks as plates

Modified mTEC

Becton Dickinson, Cockeysville, MD

Dry agar – Cabinet

Plates - refrigerator

As specified by manufacturer

mEI

OWML

Refrigerator

6 months in dilution bottles

3 days to 2 weeks as plates*

mCP agar

OWML

Refrigerator

6 months in dilution bottles

1 month as plates

Phosphate buffer with magnesium chloride (Appendix M)

OWML

Cabinet (unopened)

Refrigerator (after opening)

1 year (unopened)

1 week (after opening)

Phosphate buffer with magnesium chloride

Hardy Diagnostics, CA

Cabinet (unopened)

Refrigerator (after opening)

As specified by manufacturer

Urea-phenol solution  (Appendix F)

OWML

Refrigerator

6 months or until it is no longer a straw-yellow color