This specification establishes minimum welding standards for the manufacture and maintenance of railcars, locomotives, and their components, intended for North American railroad service. Clauses 4 through 17 cover the general requirements
AWS D15.1/D15.1M:2019 establishes minimum welding standards for the manufacture and maintenance of railcars, locomotives, and their components, intended for North American railroad service. Clauses 4 through 17 cover the general requirements for welding in the railroad industry. Clauses 18 through 23 cover specific requirements for the welding of base metals thinner than 1/8 in [3 mm].
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This standard describes polyacrylamide (PAM) for use in the treatment of potable water, wastewater, and reclaimed water.
The purpose of this standard is to provide the minimum requirements for PAM products, including physical, chemical, packaging, shipping, and testing requirements and to provide the means of developing requirements for PAM products. This standard can be referenced in documents for purchasing and receiving PAM products and can be used as a guide for testing the physical and chemical properties of PAM product samples. The stipulations of this standard apply when this document has been referenced and then only to PAM products used in the treatment of potable water, wastewater, and reclaimed water.
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This standard describes epichlorohydrin dimethylamine (EPI-DMA) polyamines for use in the treatment of potable water, wastewater, and reclaimed water.
The purpose of this standard is to provide the minimum general requirements for EPI-DMA polyamine products, including physical, chemical, sampling, packaging, shipping, and testing requirements, and to provide the means of developing requirements for specific EPI-DMA polyamine products. This standard can be referenced in documents for purchasing and receiving EPI-DMA polyamine products and can be used as a guide for testing the physical and chemical properties of EPI-DMA polyamine product samples.
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The purpose of this standard is to provide the minimum requirements for polyDADMAC products, including physical, chemical, packaging, shipping, and testing requirements, and to provide the means of developing requirements for specific polyDADMAC products.
This standard describes poly(diallyldimethylammonium chloride) for use in the treatment of potable water, wastewater, and reclaimed water. It can be referenced in documents for purchasing and receiving polyDADMAC and can be used as a guide for testing the physical and chemical properties of polyDADMAC samples. The stipulations for this standard apply when this document has been referenced and then only to polyDADMAC used in the treatment of potable water, wastewater, and reclaimed water. Each section or subsection of this standard shall apply to the treatment of potable water, wastewater, and reclaimed water unless the section, subsection, or title states that it applies only to potable water, only to wastewater, or only to reclaimed water.
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The purpose of this standard is to provide the minimum requirements for liquid PACl, including physical, chemical, sampling, testing, packaging, and shipping requirements.
This standard describes polyaluminum chloride (PACl) in aqueous (liquid) form for use in the treatment of potable water, wastewater, and reclaimed water.
This standard can be referenced in specifications for purchasing and receiving liquid PACl and can be used as a guide for testing the physical and chemical properties of liquid PACl samples. The stipulations of this standard apply when this document has been referenced and then only to liquid PACl used in the treatment of potable water, wastewater, and reclaimed water.
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This standard describes ferric chloride in aqueous (liquid) form for use in the treatment of potable water, wastewater, and reclaimed water.
This standard describes ferric chloride in aqueous (liquid) form for use in the treatment of potable water, wastewater, and reclaimed water. Applications of the chemical include (1) water softening with lime or a combination of lime and soda ash to improve hardness reduction and coagulation, and (2) water clarification, as a coagulant, followed by settling or filtration.
This standard can be referenced in documents for purchasing and receiving liquid ferric chloride and can be used as a guide for testing the physical and chemical properties of liquid ferric chloride samples. The stipulations of this standard apply when this document has been referenced and then only to liquid ferric chloride used in the treatment of potable water, wastewater, and reclaimed water.
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This standard describes dry-form ferric sulfate and liquid ferric sulfate for use in the treatment of potable water, wastewater, or reclaimed water.
The purpose of this standard is to provide minimum requirements for ferric sulfate, including physical, chemical, sampling, packaging, shipping, and testing requirements. This standard can be referenced in documents for purchasing and receiving ferric sulfate and can be used as a guide for testing the physical and chemical properties of ferric sulfate. The stipulations of this standard apply when this document has been referenced and then only to ferric sulfate used in the treatment of potable water, wastewater, or reclaimed water.
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This standard describes sodium aluminate in both liquid and solid form for use in water supply service. Sodium aluminate according to this standard is a combination of sodium oxide and aluminum oxide with sufficient excess causticity for stabilization.
The purpose of this standard is to provide minimum requirements for sodium aluminate, including physical, chemical, sampling, packaging, shipping, and testing requirements.
This standard describes sodium aluminate in both liquid and solid form for use in water supply service. Sodium aluminate according to this standard is a combination of sodium oxide and aluminum oxide with sufficient excess causticity for stabilization.
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The purpose of this standard is to provide the minimum requirements for liquid sodium silicate, including physical, chemical, sampling, testing, packaging, and shipping requirements.
This standard describes liquid sodium silicate used in the preparation of activated silica, which is used as a coagulant aid for the treatment of potable water, wastewater, or reclaimed water and for (1) the control of corrosion and (2) stabilization of iron and manganese. It can be referenced in documents for purchasing and receiving liquid sodium silicate and can be used as a guide for testing the physical and chemical properties of liquid sodium silicate samples. The stipulations of this standard apply when this document has been referenced and then only to liquid sodium silicate used in potable water, wastewater, or reclaimed water.
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This standard covers purified aluminum sulfate in liquid, ground, or lump form, for use in water treatment.
This standard covers purified aluminum sulfate in liquid, ground, or lump form, for use in water treatment. The purpose of this standard is to provide purchasers, manufacturers, and suppliers with the minimum requirements for aluminum sulfate, including physical, chemical, packaging, shipping, and testing requirements.
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