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The thief should be capable of penetrating the x4057 in the tank to the required level, mechani- cally equipped to permit filling at any desired level, and capable of being withdrawn without undue contamination of the contents.

ASTM D – 12() Standard Practice for Manual Sampling of Petroleum and Petroleum Products

This procedure is quite general because deliver it to the laboratory. The practice does not cover sampling of electrical insulating oils and hydraulic fluids. This is especially critical when remixing 7. Use c Check the thief for proper operation. Put the three sets of borings in individual sample containers, label, and deliver them to the laboratory.

Packages Packages to be Packages Packages to be A number in parentheses indicates the year of last reapproval.

Method Dobtain samples by the boring procedure in Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.


If composited samples are additional sample volume, if only a middle sample is required.

As examples, a spot sample provides a sample from only asfm particular point in the tank, vessel compartment, or pipeline. Otherwise, collect the sample directly in the thief can be used in some cases to obtain a quantitative estimate sample container.

Screw caps providing a vapor pling devices shall be clean, dry, and free of all substances that tight closure seal shall be used for cans. Insert the tube FIG. If required, obtain clean equipment or container, if necessary.

Multi-Level Self-Sealing Sampler

Include the following information on characteristics and average condition of the material. The probe should be oriented horizontally.

To facilitate the discussion on proper handling and semi-liquid or solid state from tanks, pipelines, drums, barrels, mixing of samples, sample containers are referred to as either cans, tubes, bags, kettles and open-discharge streams.

Some tests may also be made on the spot samples before blending and the results averaged. All other samples shall be capped immediately middle, and lower sample may not represent the concentration and taken to the laboratory.

Whenever possible, the rate of sample withdrawal should be This type is lowered into the tank with the valve open to Tank capacity less than or equal to m3 10 bbls permit atm hydrocarbon to flush through the container.

Log In Sign Up. The valves snap shut when the thief is withdrawn. The core type thief is shown in Fig.


The more transfers between containers, the water or water emulsion adtm by layers of sludge or greater the likelihood one or both of these problems may occur. Diameter of Opening m Install the closure on the sample container. Avoid build-up of A1. The additional capacity is sample, the types of sample containers to be used and any required for thermal expansion of the sample and enhances special instructions required for special materials to be sample mixing.

Recommended opening diam- the tank is not equipped with sampling taps. Note 2 – The procedure for sampling liquefied petroleum gases is described in Practice D ; the procedure for sampling fluid power hydraulic fluids is covered in ANSI B The individual test results of baffles, and orifice or perforated plate, or combination of any may be arithmetically averaged, adjusting for variations in flow of these methods.

Procedures are also included for the sampling of free water and other heavy components associated with petroleum and petroleum products. Bottles of this type 5.

Open bags and wrappings of cakes. Special Instructions for Specific Materials 7. Never use rubber stoppers.

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