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Laboratories testing food quality and safety are
encouraged to routinely perform proficiency tests.
Proficiency testing is an external check of quality. It
provides an independent and unbiased assessment
of the performance of all aspects of the laboratory,
both human and hardware. Each participating labo-
ratory is encouraged to use its normal analytical
method, thereby simulating the testing of a routine
laboratory sample as closely as possible. While the
outcome of the analysis may be dependent upon the
choice of method, it also could be affected by the
performance of the laboratory equipment or the
competence of the analyst. Using proficiency test-
ing, those laboratories performing well can ensure
high standards are maintained and those perform-
ing unsatisfactorily can implement corrective action
rapidly. In an environment where analytical labora-
tories now compete intensively for work, proficiency
testing provides the means by which external cus-
tomers can compare competence in carrying out
specific tests. Together with laboratory accreditation
and the use of validated methods, proficiency tests
are an important requirement of the EU Additional
Measures Directive 93/99/EEC applying to laborato-
ries entrusted with the official control of food.
The FAPAS ® (Food Analysis Performance
Assessment Scheme) program is run by the profi-
ciency testing group of the Central Science
Laboratory, an executive agency of the UK
Department for Environment, Food and Rural
Affairs (DEFRA). The FAPAS program was estab-
lished in 1990 to improve the quality of analytical
data on certain foodstuffs from UK analytical labo-
ratories, and it was soon expanded worldwide. It is
now the largest food chemistry proficiency testing
scheme in the world, with the widest range of
matrices and analytes. The program is designed to
test real food samples, including canned meats,
canned fish, soft drinks, fruit, vegetables, alcoholic
drinks, and more.
Restek introduces calibration mixes that can be
used with the FAPAS® Series 5 organochlorine pesti-
cides analyses, and the FAPAS® Series 9
organophosphorus pesticides analyses. Use of
Restek calibration mixtures by laboratories partici-
pating in the FAPAS® program is voluntary and no
endorsement of any Restek product has been made
by the Central Science Laboratory.
To obtain further information regarding the FAPAS®
program or to participate, contact
For technical information regarding the mixtures
listed here, contact Restek Technical Service or
your local Restek distributor.
✔ Series V Organochlorine Pesticide
Mix #1— Suitable for GC/MS Methods
-BHC oxychlordane
-BHC -endosulfan I
-BHC -endosulfan II
hexachlorobenzene endosulfan sulfate
heptachlor endrin
heptachlor epoxide (isomer B) 4,4'-DDE
aldrin 4,4'-DDD
dieldrin 2,4'-DDT
-cis-chlordane 4,4'-DDT
- trans-chlordane
100µg/mL each in acetone
1mL per ampule
Ea. 5-pk. 10-pk.
32412 32412-510 —
with data pack
32412-500 32412-520 32512
✔ Series V Organochlorine Pesticide
Mix #2— Suitable for GC/ECD Methods
-BHC 10 µg/mL
-BHC 10
-BHC 10
hexachlorobenzene 10
heptachlor 10
heptachlor epoxide (isomer B) 10
aldrin 10
dieldrin 20
-cis-chlordane 10
- trans-chlordane 10
oxychlordane 10
-endosulfan I 10
-endosulfan II 20
endosulfan sulfate 20
endrin 20
4,4'-DDE 20
4,4'-DDD 20
2,4'-DDT 20
4,4'-DDT 20
Each compound at concentration listed, in acetone
1mL per ampule
Ea. 5-pk. 10-pk.
32414 32414-510 —
with data pack
32414-500 32414-520 32514
✔ Series IX Organophosphorus
Pesticide Standard
Suitable for GC/FPD, GC/NPD, and
GC/MS Methods
chlorpyriphos chlorpyriphos-methyl
diazinon dichlorvos
etrimphos fenitrothion
malathion methacriphos
phosphamidon pirimiphos-methyl
100µg/mL in acetone
1 mL per ampule
Ea. 5-pk. 10-pk.
32413 32413-510 —
with data pack
32413-500 32413-520 32513
Pesticide Reference
Materials
For Food Testing Now Available
by Christopher Cox, R&D Manager
✔ For laboratories performing food testing.
✔ Ensures accurate proficiency testing. new
Order a FREE Foods,
Flavors, and Fragrances
Catalog! This 52-page
document includes
important analysis tips,
and chromatograms for
the analysis of fats and
oils, carbohydrates,
vitamins, amino acids,
organic acids, preservatives, flavors and
fragrances, essential oils, and chiral separa-
tions. Retention time indices and complete
product listings for all the relevant GC and
HPLC products also are included (lit. cat.#
59260). Also, request the soon-to-be-
released Applications Note detailing food
packaging testing (lit. cat.# 59348).
Plus 1™ Restek’s Customer Commitment
You will be seeing the Plus 1™ symbol throughout our catalog, on our packaging, and on our website. Plus 1™
Service means we will surpass your expectations every time you contact us! You’ll get Plus 1™ service when you
ask our experienced Technical Service Team to help solve a difficult analytical problem. Our helpful, efficient
Customer Service Team provides Plus 1™ service even when you place a late-day order. Plus 1™ customer serv-
ice is what has made Restek unique. If special attention was paid to your request or if our employees went out
of their way for you, let us know. Contact us with your Restek success stories today!