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MEMORANDUM
D
ATE
:
October 13, 2014
T
O
:
AOAC® O
FFICIAL
M
ETHODS
B
OARD
M
EMBERS
F
ROM
:
D
ARRYL
S
ULLIVAN
, CHAIR – AOAC ERP
ON
SPIFAN N
UTRIENT
M
ETHODS
S
UBJECT
:
Final Action Method Recommendations – Responses to OMB
____________________________________________________________________________
AOAC OMA # OMB Comments
ERP Chair Responses
2011.20
Nucleotides
1.
Return to ERP; answer questions from user
comments page 77 of the OMB meeting book
(9‐11‐14)
a.
OMB approves final action status on
this method, upon response from the
ERP that user comments were
addressed
USER COMMENTS:
The ERP reviewed the comments from one
laboratory regarding the method being time
consuming and not complete. The ERP agreed
that this comment did not reflect the overall
quality of the study.
2012.10
Vitamins A &
E
1.
ERP recognizes & accepted that the
reproducibility (RSDR) for cis vitamin A in
some samples were higher than the SMPR
requirement
a.
The level of cis vitamin A were low in
corresponding samples
2.
Return to ERP; answer questions from user
comments page 80 of the OMB meeting book
(9‐11‐14)
a.
OMB approves final action status on
this method, upon response from the
ERP that user comments were
addressed
USER COMMENTS:
The ERP reviewed the comments from one
laboratory suggesting that the chromatography
required improvement. All of the other
participating labs found the chromatography to
be acceptable. The ERP agreed that this
comment did not reflect the true quality of the
study.
2012.13
Fatty Acids
1.
SMPR was not met
2.
ERP recognizes & accepted that the
reproducibility (RSDR) for trans fatty acid in
some samples were higher than the SMPR
requirement
3.
The level of trans fatty acid were low in
corresponding samples
4.
Documentation by ERP that safety concerns
were addressed
5.
Modify safety concerns in OMA – refer to
USER COMMENTS:
The ERP reviewed the user comments
regarding simplifying the sample preparation
procedure and the addition of more standards.
Since the sample preparation and standards
were acceptable to all other laboratories, the
ERP agreed that these comments did not reflect
the overall quality of the study.
Candidates for 2016 Method of the Year
388