API RP 1637-2006 pdf download

API RP 1637-2006 pdf download

API RP 1637-2006 pdf download.Using the API Color-Symbol System to Mark Equipment and Vehicles for Product Identification at Gasoline Dispensing Facilities and Distribution Terminals.
1.1 PURPOSE OF THE SYSTEM 1.1.1 This recommended practice describes a system for marking equipment used to store and handle bulk petroleum, alcohol- blended petroleum and biodiesel products. The marking system described in this recommended practice does not cover aviation fuels. Marking systems for aviation fuels are described in API/IP Standard 1542, Identification Markings for Dedicated Aviation Fuel Manufacturing and Distribution Facilities, Airport Storage and Mobile Fuelling Equipment. 1.1.2 A uniform and easily understood identification system facilitates petroleum industry operations. Such a system helps to prevent mixing of multiple products, particularly gasoline with distillates, different grades of unleaded gasoline, gasoline contain- ing alcohol or alcohol containing gasoline versus neat (undiluted) gasoline and distillates containing different sulfur contents. 1.1.3 The principal purpose of a marking system is to identify product transfer points for tank-truck loading and unloading at distribution terminals and retail outlets, and to prevent errors in product handling. Personnel who handle products may make the mistake of “cross-dumping” (commingling) products because these personnel rely on memory rather than on written records. Gasoline blended to a required Reid Vapor Pressure (RVP) should always remain segregated from gasoline containing alcohol or alcohol containing gasoline as there is a potential for the commingling of the alcohol blend with the neat gasoline. This may result in a violation of volatility limits imposed on gasoline in certain areas of the country. Ultra low sulfur distillates may be contaminated by higher level distillates and should be handled appropriately to prevent con- tamination. Increased risk of contamination could also be associated with truck transport from the terminal and at retail outlets. API Recommended Practice 1007, Loading and Unloading of MC 306/DOT 406 Cargo Tank Motor Vehicles provides guidelines for preventing contamination.
1.2 SUPPORT OF THE SYSTEM 1.2.1 The equipment marking color-symbol system described in this recommended practice facilitates easy identification of products by means of colors, symbols and alphanumeric designations. The following additional measures are recommended to support the system: a. Providing charts to identify permanent locations of products at a facility (e.g. storage tank, loading arm, etc.). b. Using stencils, decals, or metal or plastic tags to identify product names on equipment. 1.2.2 The marking system should be the primary means of identification. Names or product code numbers are helpful when a program is initiated, but these should be used as secondary means of identification. Many names contain words common to other products, which can result in incorrect identification; for example, unleaded products may be super unleaded, regular unleaded, or either of these with an extender such as ethanol. Company names and product code numbers should be used wherever they are needed to supplement the marking system. 1.3 REFERENCED PUBLICATIONS The following standards, codes, and specifications are cited herein: API RP 1615 Installation of Underground Petroleum Storage Systems API/IP 1542 Identification Markings for Dedicated Aviation Fuel Manufacturing and Distribution Facilities, Airport Stor- age and Mobile Fuelling Equipment RP 1007 Loading and Unloading of MC 306/DOT 406 Cargo Tank Motor Vehicles
2.1 GENERAL (SEE FIGURE 1) 2.1.1 The majority of colors used in this equipment marking color-symbol system remain unchanged from those found in the Second Edition (September 1995). The third edition reflects the industry’s changing needs as a result of the introduction of ultra low sulfur distillates. The previous version included additions to address handling and safety requirements for oxygenated and alcohol-based fuels and slop or waste oil. Additionally, monitoring or observation well identification (as established in API Rec- ommended Practice 1615) is included here to complete the reference. Only easily distinguishable colors are used; this system does not attempt to define color shades. 2.1.2 In the equipment marking color-symbol system, a circle outline represents a gasoline product, a hexagon outline repre- sents a distillate-based product and an elongated pentagon represents an alcohol-blended product. 2.1.3 Superimposed crosses, bars and alpha-numeric designations for product names are used to further distinguish products. 2.1.4 Vapor-recovery connections and manholes are marked with orange circles. The gasoline symbol, the circle, is used because the principal environmental concern is with gasoline vapors. Note: Used oil is identified by a purple square. White lettering may be used to supplement the marking system.U.S. EPA’s Used Oil Manage- ment Standards (40 Code of Federal Regulations, Section 279) provide additional labeling requirements for used oil storage at generator, trans- fer, or processing and refining facilities. 2.1.5 Consistent with API Recommended Practice 1615, monitoring or observation wells are identified with a black equilateral triangle on a white background.

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