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The scope here is Department-wide. DD Form 1209 — DD Form 1209, Liquid- and Plastic-Limits Determination, December 1999 — exists to Liquid- and Plastic-Limits Determination, and it applies across the services rather than inside one. That is what the DD prefix encodes: joint issue, single edition, every branch and defense agency working from identical paper.
Requirement traces to not stated; the form belongs to not stated. Everything about schedule sits below that in local instruction, which is where to ask if a date matters.
Current edition is not stated, carried as not stated. Check that against any copy you already hold before doing anything else — Department-level revisions land everywhere simultaneously, so a stale file is stale across the whole Department.
Formats: PDF. Length 1 pages, approximately 117 entries. Pick on the basis of how you will complete it.
Default to fillable pdf, print only when you must. The fillable file stores what you type; the printable file is a blank picture. A Department form often travels further than a service form — scanned, emailed, forwarded to an agency that never saw the original — and typed text is what survives that.
What the form asks for
- 1. Project.
- 2. Date.
- 3. Excavation number.
- 4. Job number.
- 5. Sample number.
- Number of blows, column 1.
- Number of blows, column 2.
- Number of blows, column 3.
- Number of blows, column 4.
- Number of blows, column 5.
- Number of blows, column 6.
- 6. Liquid limit (LL). Run number, column 1.
- Tare number, column 1.
- a. Weight of wet soil + tare, column 1.
- b. Weight of dry soil + tare, column 1.
- c. Weight of water (Ww = a - b), column 1.
- d. Weight of tare, column 1.
- e. Weight of dry soil (Ws = b - d), column 1.
- Water content (w = Ww / Ws x 100), column 1.
- Run number, column 2.
- Tare number, column 2.
- a. Weight of wet soil + tare, column 2.
- b. Weight of dry soil + tare, column 2.
- c. Weight of water (Ww = a - b), column 2.
Edition check comes first, ahead of any entry. Compare the printed date to not stated and replace anything older. Department-level supersession is simultaneous across the services, so a superseded blank is not merely out of date locally; the office receiving it is already working from the new field structure whichever branch it belongs to.
For anything ambiguous in a specific field, the form's own instructions come first and not stated controls where the two differ.
Send it as not stated or local guidance specifies. Save a copy. Cross-service and cross-agency routing is normal for Department forms, and a lost original outside your own organization is harder to chase down.
A number is a complete address in the DD series. Because the sequence is Department-level and not duplicated per service, there is nothing further to specify.
Do not read across from a service number. DA numbering is Army-specific under an Army proponent; DD numbering is Department-wide under not stated or an equivalent Department office. The sequences are unrelated, so identical digits in each identify two different documents. Read the prefix, not the digits.
Revision follows directive changes, changed data requirements and amended notice language, unannounced. Verify not stated each time rather than trusting a saved copy — the cost of the check is seconds.
Limits of this page: it distributes a published Department of Defense document and describes it. No legal advice, no procedural ruling, no statement about whether any submission will be accepted. Applicability, eligibility and procedure belong to not stated, to a servicing personnel office, or to the office named in not stated.
Questions and answers
- What is DD Form 1209?
- DD Form 1209, Liquid- and Plastic-Limits Determination, December 1999
- Which edition is current?
- Not stated by the publisher
- Who is responsible for this form?
- Not stated
- In which formats can it be downloaded?