USGS Ohio Water Science Center

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Ohio Water Microbiology Lab

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Ohio Water Science Center

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OWML: QA/QC

Quality Assurance/Quality Control Manual: Ohio Water Microbiology Laboratory

 

Table 4.  Acceptance criteria for laboratory refrigerators, freezers, incubators, and waterbaths

Equipment identification

Use

Acceptance criteria

Temperature logger installed

INC 2

Actinomycetes

28C 1.0C

 

INC 5

General Use

41C 1C

X

INC 6

Method 1601/1602, transfer cultures, general use

36C 1C

 

INC 7

Method 1601/1602, transfer cultures, general use

36C 1.0C

X

INC S

General Use

41C 1C, 44.5C 0.5C

 

FIELD INCUBATORS

Membrane filtration

35C 1.0C, 44.5C 0.5C, 41C 0.5C

 

W/B 1

Melt and temper agar

48C 3.0C

 

W/B 2

Method 1602, heat treatments

37C 1.0C, 70C 3.0C

 

W/B 3

Grow hosts/1602

36C 1.0C, 48C 1.0C

 

W/B 6

Grow hosts

36C 1.0C, 48C 1.0C

 

REFRIG 1

Sample storage

1 to 4C

X

REFRIG 2

Sample storage

1 to 4C

 

REFRIG 4

Sample storage

1 to 4C

X

REFRIG 6

Reagent/ media storage 1 to 4C X

REFRIG 7

Reagent/ media storage

1 to 4C

X

FREEZ 1

Reagent storage

 -20C to -30C

X

FREEZ 2

Ice packs, biological sample storage

 -20C to -30C

 

FREEZ 3

Bacteria stocks, virus stocks, samples

Shelf 1 -70C 10C

Shelf 2 -70C 10C

Shelf 3 -60C 10C

Shelf 4 -60C 10C

Shelf 5 -60C 10C

X

FREEZ 5

Probes, hybridization reagents

-20C to -30C

X

FREEZ 6

Cell culture, long term storage

Shelf 1 -70C 10C

Shelf 2 -70C 10C

Shelf 3 -60C 10C

Shelf 4 -60C 10C

Shelf 5 -60C 10C

X

FREEZ 7

Long term storage

-20C to -30C

 

 

 

   

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