Session 1. Frequently Asked Technical Questions Related to International Trade and Answers

Wine Australia

Group Discussion:

  1. Are wines tested upon entry or exit of the country?

Session 2. Review of the Ring Tests and the 2016 IWTS APEC Laboratory Workshop: Total SO2, Titratable Acidity, Sugar and Alcohol Measurements

Australian Wine Research Institute (AWRI)

U.S. Alcohol and Tobacco Tax and Trade Bureau

Group Discussion:

  1. If you attended the APEC Laboratory Workshop, on May 23, 2016, do you put any of the items from the workshop into practice?
  2. If you did not attend the 2016 Workshop, please review the presentations and be prepared to discuss how your lab approaches the testing of the 4 analytes.  Questions about problems associated with these tests can be raised in this session.
  3. What analytical methods are used to determine Total SO2 and are they governed by regulation?
  4. Are control samples of a similar matrix run in conjunction with the analysis?

Session 3. Certificates of Analysis: A Proposal

“Certificates of Analysis.” This paper was authored by FIVS.

Presentation on Certificates of Analysis

Bronco Wine Company

Group Discussion:

  1. Which authority in your country mandates the tests required on your certificates of analysis?
  2. Are the certificates of analysis prescribed by law?
  3. What is the process for requesting changes to the required tests?

Session 4.  Laboratory Accreditation

“Laboratory Accreditation.” This paper was authored by FIVS.

Laboratory Accreditation – Presentation

ETS Laboratory

Group Discussion:

  1. Is there a regulatory standard for lab testing enforced on laboratories in your country?
  2. Does it comply or align with ISO 17025?
  3. Are the individual analytical methods used in wine testing prescribed by regulation?

Session 5.  Laboratory Measurement

Uncertainty of Measure – Why is it important

E. & J. Gallo Winery

Group Discussion:

  1. What is uncertainty of measurement?
  2. Why is uncertainty of measurement important…does your laboratory know its uncertainty of measure?
  3. What factors contribute to a method’s uncertainty of measure?

Session 6.  Sugar Testing

“Harmonizing Expression of Measurement Results in Wine Analysis: Best Practices When Testing and Reporting Sugar in Wine.”

This paper was authored by the IWTS.

6.1 Presentation of Best Practices When Testing and Reporting Sugar

U.S. Alcohol and Tobacco Tax and Trade Bureau

6.2 Sugar Free Extract Measurement & Expression

AWRI

Group Discussion:

  1. What sugar method does your lab use?
  2. Is the method mandated by law or is your lab free to choose the method?
  3. When methods of analysis for sugar in producer countries are used as the basis for sweetness indications on wine labels but are different from the methods of analysis used to determine accuracy of sweetness indications in import markets, how can producers be comfortable that their products will be accepted into the importing country?

Session 7.  Methanol in Wine

Methanol in Wine

The paper for this session was authored by FIVS and presented at the 2017 OIV Congress.

Presentation-FIVS

Group Discussion:

  1. Does your country establish a limit for methanol in grape wine?
  2. If you answered “yes” to the first question,
  3. What is the limit?
  4. What scientific units are used to express it? And
  5. What risk (if any) is believed to make the limit necessary (e.g. public health, product quality, other)?

Session 8. Best Practices when Testing and Reporting Total SO2 in Wine

Presentation

Practical Measurement of Total Sulfur Dioxide in Wine. The paper for this session was authored by the Australian Wine Research Institute (AWRI).

AWRI

Group Discussion:

  1. What Total Sulfur Dioxide (TSO2) method does your lab use?
  2. Is the method mandated by law or is your lab free to choose the method?

Session 9.  Expiration Date Labeling

Presentation by E. & J. Gallo Winery

Presentation on wine Expiration Date Labeling. U.S. Alcohol and Tobacco Tax and Trade Bureau

  1. Does your country require expiration date labeling for wines?
  2. If so, what format is required? (use by, sell by, best before, produced on, bottled on, etc.)