IMSBC Group A • TML • Moisture Content • Sampling Age • Rain Exposure • Can Test • Parcel Acceptance • Dynamic Separation

Bulk Carrier Cargo Liquefaction, TML & Moisture Margin Tool

Screen whether cargo that may liquefy or undergo dynamic separation is below its certified Transportable Moisture Limit, whether TML and moisture tests remain current, whether rain or cargo variability invalidates the loading basis, and which individual hold or parcel controls the decision.

Figures represent
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Need much more depth? Click Advanced above.Advanced adds hold-by-hold parcels, FMP/TML cross-checks, cargo variability, stockpile sampling sufficiency, post-rain retesting, frozen-sample status, precipitation procedures, field observations and stop/retest cost exposure.
Fast10 primary inputs
Hard gateMC must remain below TML
VisualMoisture margin + test-age charts

Single Cargo Parcel

Enter the signed shipper/laboratory TML and actual moisture values. Cargo presets are descriptive only and never assign a legal cargo group or TML.

tonnes.
% by mass, wet basis.
% by mass, wet basis.
percentage points. Company screen only, not an IMO threshold.
months since TML test.
days before loading.
A dry can test never proves TML compliance.

Cargo & IMSBC Basis

% wet basis. Certified value controls.
Optional cross-check for methods where TML = 90% of FMP.
percentage points.
t/m³, optional context.
months.

Hold / Parcel Moisture Register

Each materially different parcel should stand on its own. Any failed parcel controls the acceptance signal. Parcel names are retained only on screen and are not sent in Tool Data.

Hold / parcelCargo tTML %MC %MC age dRain since sampleRetestedCan testFrozen sample state

Sampling & Moisture-Control Status

Used only by stockpile-scale screen.
Cargo schedule and approved procedure still control.

Rain / Water-Ingress Sensitivity

Sensitivity only. Calculated rainfall water can show how quickly headroom disappears, but it cannot replace re-sampling or laboratory testing after material moisture exposure.

m².
mm.
% user estimate.
t. If above zero, overrides area × rainfall calculation.

Field Observations & Stop-Loading Flags

Stop / Retest Commercial Exposure

selected currency/day.
hours.
Optional context only.
Safety limitation: this tool does not authorize loading or carriage. The actual IMSBC cargo schedule, certified TML, representative moisture-content testing, shipper declaration, appropriate-authority procedures, port/flag requirements, independent survey advice and the Master's judgment control. A dry can test is only a field observation and never proves the cargo is below TML.
Current regulatory basis: IMSBC Amendment 07-23 entered into force on 1 January 2025. Amendment 08-25 may be applied voluntarily from 1 January 2026 and is scheduled to become mandatory on 1 January 2027. For Group A cargoes, TML testing is required within six months of loading unless composition or characteristics change sooner; moisture sampling/testing must be as near as practicable to loading and never more than seven days before commencement of loading. Significant rain or snow after testing requires renewed confirmation that moisture remains below TML. The can test is complementary only; a dry result does not establish compliance.
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