Guidance

Food and water microbiology scheme: sample schedule 1 April 2022 to 31 March 2023

Updated 15 February 2022

UKHSA Food and water microbiology external quality assessment schemes

Schedules: 1 April 2022 to 31 March 2023

We aim to meet all the dates in this document. You will be advised as soon as possible if any changes have to be made. Please contact us if you do not receive your samples within 7 days of the listed dispatch dates.

Food and environmental proficiency testing unit (FEPTU)

UK Health Security Agency
61 Colindale Avenue
London
NW9 5EQ

Email [email protected]

Telephone 020 8327 7119

Standard scheme

Food microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations and enumerations required – up to 3 sets of results can be reported
348 S0733
S0734
9 May 2022 17 Jun 2022 Campylobacter spp. detection

Campylobacter spp. enumeration

Escherichia coli O157 detection

Salmonella spp. detection

Aerobic colony count

Enterobacteriaceae enumeration
350 S0737
S0738
4 Jul 2022 12 Aug 2022 Presumptive Bacillus cereus enumeration

Coagulase-positive staphylococci enumeration

Listeria spp. (including L. mono) enumeration

Listeria monocytogenes enumeration

Aerobic colony count

Coliform enumeration
352 S0741
S0742
5 Sep 2022 14 Oct 2022 Cronobacter spp. detection

Listeria spp. (including L. mono) detection

Listeria monocytogenes detection

Clostridium perfringens enumeration

Aerobic colony count

Escherichia coli enumeration
354 S0745
S0746
7 Nov 2022 16 Dec 2022 Campylobacter spp. detection

Campylobacter spp. enumeration

Escherichia coli O157 detection

Salmonella spp. detection

Aerobic colony count

Enterobacteriaceae enumeration

Yersinia enterocolitica
356 S0749

S0750
30 Jan 2023 10 Mar 2023 Presumptive Bacillus cereus enumeration

Coagulase-positive staphylococci enumeration

Listeria spp. (including L. mono) enumeration

Listeria monocytogenes enumeration

Aerobic colony count

Coliform enumeration
358 S0753
S0754
13 Mar 2023 21 Apr 2023 Listeria spp. (including L. mono) detection

Listeria monocytogenes detection

Salmonella spp. detection

Clostridium perfringens enumeration

Sulfite-reducing anaerobic bacteria

Aerobic colony count

Escherichia coli enumeration

Note that for this scheme, molecular methods can be used for pathogen examination or as a confirmation test.

European microbiology legislation scheme

Regulation (EC) 2073/2005 Microbiological Criteria for Foodstuffs associated with Regulation (EC) 852/2004 and subsequent amendments.

Food microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Food category Examinations and enumerations required
EFL59 EFL175
EFL176
EFL177
4 Jul 2022 5 Aug 2022 Meat According to the Food Safety or Process Hygiene Criteria
EFL60 EFL178
EFL179
EFL180
7 Nov 2022 9 Dec 2022 Dairy According to the Food Safety or Process Hygiene Criteria
EFL61 EFL181
EFL182
EFL183
30 Jan 2023 3 Mar 2023 Ready to eat product According to the Food Safety or Process Hygiene Criteria
EFL62 EFL184
EFL185
EFL186
13 Mar 2023 14 Apr 2023 Miscellaneous According to the Food Safety or Process Hygiene Criteria

Non-pathogen scheme

Food microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations and enumerations required – up to 3 sets of results can be reported
NP071 NP0197 NP0198 9 May 2022 24 Jun 2022 Pseudomonas spp.
Yeasts
Moulds
Coliforms
Enterobacteriaceae
Escherichia coli
Enterococci
Lactic acid bacteria
Aerobic colony count at 30°C

All the above enumerations are included for all samples.

An option to register for PYM (Pseudomonas spp., yeasts and moulds only) is available.
NP072 NP0199 NP0200 5 Sep 2022 21 Oct 2022 Pseudomonas spp.
Yeasts
Moulds
Coliforms
Enterobacteriaceae
Escherichia coli
Enterococci
Lactic acid bacteria
Aerobic colony count at 30°C

All the above enumerations are included for all samples.

An option to register for PYM (Pseudomonas spp., yeasts and moulds only) is available.
NP073 NP0201 NP0202 30 Jan 2023 17 Mar 2023 Pseudomonas spp.
Yeasts
Moulds
Coliforms
Enterobacteriaceae
Escherichia coli
Enterococci
Lactic acid bacteria
Aerobic colony count at 30°C

All the above enumerations are included for all samples.

An option to register for PYM (Pseudomonas spp., yeasts and moulds only) is available

Shellfish scheme

Food microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations and enumerations required
SF071 SF0150 SF0151 4 Jul 2022 5 Aug 2022 Escherichia coli MPN

Salmonella spp. detection
SF072 SF0152 SF0153 7 Nov 2022 9 Dec 2022 Escherichia coli MPN

Salmonella spp. detection
SF073 SF0154 SF0155 13 Mar 2023 14 Apr 2023 Escherichia coli MPN

Salmonella spp. detection

Pathogenic vibrio scheme

Food and water microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations and enumerations required
V063 V0166
V0167
4 Jul 2022 5 Aug 2022 Detection:
Vibrio cholerae non-O1 and non-O139 strains
Vibrio vulnificus

Detection and enumeration:
Vibrio parahaemolyticus
V064 V0168
V0169
7 Nov 2022 9 Dec 2022 Detection:
Vibrio cholerae non-O1 and non-O139 strains
Vibrio vulnificus

Detection and enumeration:
Vibrio parahaemolyticus
V065 V0170
V0171
13 Mar 2023 14 Apr 2023 Detection:
Vibrio cholerae non-O1 and non-O139 strains
Vibrio vulnificus

Detection and enumeration:
Vibrio parahaemolyticus

Staphylococcus aureus enterotoxin scheme

Food microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations required
STA047 ST0093 ST0094 9 May 2022 10 Jun 2022 Staphylococcus aureus enterotoxin
STA048 ST0095 ST0096 5 Sep 2022 7 Oct 2022 Staphylococcus aureus enterotoxin

Environmental swab scheme

Environmental microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations required
ES25 ES0049 ES0050 9 May 2022 3 Jun 2022 Relevant pathogen relating to outbreak details as provided on the request form.


Campylobacter spp.

Coagulase-positive staphylococci

Escherichia coli O157

Listeria monocytogenes

Salmonella spp.
   
ES26 ES0051 ES0052 5 Sep 2022 30 Sep 2022 Enumeration of hygiene indicator organisms.


Aerobic colony count

Bacillus cereus

Escherichia coli

Enterobacteriaceae

Listeria spp.
   
ES27 ES0053 ES0054 7 Nov 2022 2 Dec 2022 Relevant pathogen relating to outbreak details as provided on the request form.


Campylobacter spp.

Coagulase-positive staphylococci

Escherichia coli O157

Listeria monocytogenes

Salmonella spp.
   
ES28 ES0055 ES0056 13 Mar 2023 7 Apr 2023 Enumeration of hygiene indicator organisms


Aerobic colony count

Bacillus cereus

Escherichia coli

Enterobacteriaceae

Listeria spp.
   

Shiga toxin-producing Escherichia coli scheme

Food microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations required – samples can only be examined using molecular methods
STX12 STX023 STX024 4 Jul 2022 29 Jul 2022 Detection of the major virulence genes associated with Escherichia coli serogroups O157, O111, O26, O103, O145 and O104:H4 (STEC)

Includes detection of stx-coding genes and the presence of the intimin-coding gene eae
STX13 STX025 STX026 30 Jan 2023 24 Feb 2023 Detection of the major virulence genes associated with Escherichia coli serogroups O157, O111, O26, O103, O145 and O104:H4 (STEC)

Includes detection of stx-coding genes and the presence of the intimin-coding gene eae

Norovirus and Hepatitis A virus scheme

Non-accredited

Food and water microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations required
Samples can only be examined using molecular methods
NHV011 NHV0021
NHV0022
7 Nov 2022 9 Dec 2022 Detection of Norovirus GI and GII and Hepatitis A virus

Optional: quantification of Norovirus GI and GII and Hepatitis A virus
NHV012 NHV0023
NHV0024
13 Mar 2023 14 Apr 2023 Detection of Norovirus GI and GII and Hepatitis A virus

Optional: quantification of Norovirus GI and GII and Hepatitis A virus

Legionella isolation scheme

Water microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations and enumerations required per litre
G126 G126A G126B 4 Apr 2022 13 May 2022 Detection, enumeration and identification of Legionella spp.
G127 G127A G127B 6 Jun 2022 15 Jul 2022 Detection, enumeration and identification of Legionella spp.
G128 G128A G128B 3 Oct 2022 11 Nov 2022 Detection, enumeration and identification of Legionella spp.
G129 G129A G129B 9 Jan 2023 17 Feb 2023 Detection, enumeration and identification of Legionella spp.

Legionella molecular scheme

Water microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations and enumerations required per litre – samples can only be examined using molecular methods
LM11 LM11A LM11B 1 Aug 2022 9 Sep 2022 Detection and quantification of Legionella spp.
LM12 LM12A LM12B 20 Feb 2023 31 Mar 2023 Detection and quantification of Legionella spp.

Recreational and surface water scheme

Water and environmental microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations and enumerations required*
S105 S105A S105B 4 Apr 2022 6 May 2022 River, lake or stream waters:

Coliform bacteria

Escherichia coli

Enterococci

Faecal coliform

Clostridium perfringens

Salmonella spp. detection
S106 S106A S106B 6 Jun 2022 8 Jul 2022 Swimming pool or hydrotherapy pool waters:

Coagulase-positive staphylococci

Coliform bacteria

Escherichia coli

Enterococci

Pseudomonas aeruginosa

Total staphylococci

Colony count (37ºC/24 hours)
S107 S107A S107B 1 Aug 2022 2 Sep 2022 Marine (bathing beach) waters:

Escherichia coli

Enterococci

Salmonella spp.
S108 S108A S108B 3 Oct 2022 4 Nov 2022 River, lake or stream waters:

Coliform bacteria

Escherichia coli

Enterococci

Faecal coliform

Clostridium perfringens

Salmonella spp. detection
S109 S109A S109B 9 Jan 2023 10 Feb 2023 Swimming pool or hydrotherapy pool waters:

Coagulase-positive staphylococci

Coliform bacteria

Escherichia coli

Enterococci

Pseudomonas aeruginosa

Total staphylococci

Colony count (37ºC/24 hours)
S110 S110A S110B 20 Feb 2023 24 Mar 2023 Marine (bathing beach) waters:

Escherichia coli

Enterococci

Salmonella spp.

*Salmonella spp. per litre; colony count per 1mL; all other counts are per 100mL

Drinking water scheme

Water microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations and enumerations required – up to 3 sets of results can be reported*
W202 W202A W202B 4 Apr 2022 6 May 2022 Coliform bacteria

Escherichia coli

Enterococci

Clostridium perfringens

Pseudomonas aeruginosa

Colony count (37ºC/48 hours)

Colony count (22ºC/72 hours)
W203 W203A W203B 6 Jun 2022 8 Jul 2022 Coliform bacteria

Escherichia coli

Enterococci

Clostridium perfringens

Pseudomonas aeruginosa

Colony count (37ºC/48 hours)

Colony count (22ºC/72 hours)
W204 W204A W204B 1 Aug 2022 2 Sep 2022 Coliform bacteria

Escherichia coli

Enterococci

Clostridium perfringens

Pseudomonas aeruginosa

Colony count (37ºC/48 hours)

Colony count (22ºC/72 hours)
W205 W205A W205B 3 Oct 2022 4 Nov 2022 Coliform bacteria

Escherichia coli

Enterococci

Clostridium perfringens

Pseudomonas aeruginosa

Colony count (37ºC/48 hours)

Colony count (22ºC/72 hours)
W206 W206A W206B 9 Jan 2023 10 Feb 2023 Coliform bacteria

Escherichia coli

Enterococci

Clostridium perfringens

Pseudomonas aeruginosa

Colony count (37ºC/48 hours)

Colony count (22ºC/72 hours)
W207 W207A W207B 20 Feb 2023 24 Mar 2023 Coliform bacteria

Escherichia coli

Enterococci

Clostridium perfringens

Pseudomonas aeruginosa

Colony count (37ºC/48 hours)

Colony count (22ºC/72 hours)

*Colony count per 1mL; all other counts are per 100mL

Bottled and mineral water scheme

Water and food microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations and enumerations required*
BMW29 BMW29A BMW29B 4 Apr 2022 29 Apr 2022 Coliform bacteria

Escherichia coli

Enterococci

Pseudomonas aeruginosa

Sporulated sulphite-reducing anaerobes

Colony count (37ºC/24 hours)

Colony count (22ºC/72 hours)
BMW30 BMW30A BMW30B 1 Aug 2022 26 Aug 2022 Coliform bacteria

Escherichia coli

Enterococci

Pseudomonas aeruginosa

Sporulated sulphite-reducing anaerobes

Colony count (37ºC/24 hours)

Colony count (22ºC/72 hours)
BMW31 BMW31A BMW31B 9 Jan 2023 3 Feb 2023 Coliform bacteria

Escherichia coli

Enterococci

Pseudomonas aeruginosa

Sporulated sulphite-reducing anaerobes

Colony count (37ºC/24 hours)

Colony count (22ºC/72 hours)

*Sporulated sulphite-reducing anaerobes per 50mL; colony count per 1mL; all other counts are per 250mL

Hospital waters

Endoscope rinse water scheme

Water microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations and enumerations required – up to 3 sets of results can be reported*
EW30 EW30A EW30B 4 Apr 2022 29 Apr 2022 Total viable counts (28ºC to 32ºC for 5 days)

Pseudomonas aeruginosa

Selected distribution:
Yeasts/moulds (EW32)
EW31 EW31A EW31B 1 Aug 2022 26 Aug 2022 Total viable counts (28ºC to 32ºC for 5 days)

Pseudomonas aeruginosa

Selected distribution:
Yeasts/moulds (EW32)
EW32 EW32A EW32B 9 Jan 2023 3 Feb 2023 Total viable counts (28ºC to 32ºC for 5 days)

Pseudomonas aeruginosa

Selected distribution:
Yeasts/moulds (EW32)

*All counts are per 100mL

Mycobacterium spp. in water scheme

Water microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations and enumerations required*
MY011 MY011A MY011B 4 Apr 2022 24 Jun 2022 Endoscope rinse water
MY012 MY012A MY012B 6 Jun 2022 26 Aug 2022 Heater cooler water
MY013 MY013A MY013B 3 Oct 2022 23 Dec 2022 Endoscope rinse water
MY014 MY014A MY014B 9 Jan 2023 31 Mar 2023 Heater cooler water

*All levels are per 100mL

Hospital tap water scheme

Water microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations and enumerations required – up to 3 sets of results can be reported*
HTW24 HTW24A HTW24B 6 Jun 2022 1 Jul 2022 Pseudomonas aeruginosa
HTW25 HTW25A HTW25B 3 Oct 2022 28 Oct 2022 Pseudomonas aeruginosa
HTW26 HTW26A HTW26B 20 Feb 2023 17 Mar 2023 Pseudomonas aeruginosa

*All counts are per 100mL

Dialysis water scheme

Water microbiology examinations

Sample schedule for 1 April 2022 to 31 March 2023

Distribution number Sample numbers Dispatch date Date results due by Examinations and enumerations required – up to 3 sets of results can be reported*
DW27 DW27A DW27B 6 Jun 2022 1 Jul 2022 Total viable counts (17ºC to 23ºC for 7 days)
DW28 DW28A DW28B 3 Oct 2022 28 Oct 2022 Total viable counts (17ºC to 23ºC for 7 days)
DW29 DW29A DW29B 20 Feb 2023 17 Mar 2023 Total viable counts (17ºC to 23ºC for 7 days)

*All counts are per mL

Hydrotherapy poolwaters

Please select distributions S106 and/or S109 from Recreational and surface water scheme.