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Do Not Enter: The History and Purpose of This Common Sign



Definitions.Acceptable entry conditions means the conditions that must exist in a permit space to allow entry and to ensure that employees involved with a permit-required confined space entry can safely enter into and work within the space.Attendant means an individual stationed outside one or more permit spaces who monitors the authorized entrants and who performs all attendant's duties assigned in the employer's permit space program.Authorized entrant means an employee who is authorized by the employer to enter a permit space.Blanking or blinding means the absolute closure of a pipe, line, or duct by the fastening of a solid plate (such as a spectacle blind or a skillet blind) that completely covers the bore and that is capable of withstanding the maximum pressure of the pipe, line, or duct with no leakage beyond the plate.Confined space means a space that:(1) Is large enough and so configured that an employee can bodily enter and perform assigned work; and(2) Has limited or restricted means for entry or exit (for example, tanks, vessels, silos, storage bins, hoppers, vaults, and pits are spaces that may have limited means of entry.); and(3) Is not designed for continuous employee occupancy.Double block and bleed means the closure of a line, duct, or pipe by closing and locking or tagging two in-line valves and by opening and locking or tagging a drain or vent valve in the line between the two closed valves.Emergency means any occurrence (including any failure of hazard control or monitoring equipment) or event internal or external to the permit space that could endanger entrants.Engulfment means the surrounding and effective capture of a person by a liquid or finely divided (flowable) solid substance that can be aspirated to cause death by filling or plugging the respiratory system or that can exert enough force on the body to cause death by strangulation, constriction, or crushing.Entry means the action by which a person passes through an opening into a permit-required confined space. Entry includes ensuing work activities in that space and is considered to have occurred as soon as any part of the entrant's body breaks the plane of an opening into the space.Entry permit (permit) means the written or printed document that is provided by the employer to allow and control entry into a permit space and that contains the information specified in paragraph (f) of this section.


The employer shall verify that the space is safe for entry and that the pre-entry measures required by paragraph (c)(5)(ii) of this section have been taken, through a written certification that contains the date, the location of the space, and the signature of the person providing the certification. The certification shall be made before entry and shall be made available to each employee entering the space or to that employee's authorized representative .




Do Not Enter



If it is necessary to enter the permit space to eliminate hazards, such entry shall be performed under paragraphs (d) through (k) of this section. If testing and inspection during that entry demonstrate that the hazards within the permit space have been eliminated, the permit space may be reclassified as a non-permit confined space for as long as the hazards remain eliminated.Note: Control of atmospheric hazards through forced air ventilation does not constitute elimination of the hazards. Paragraph (c)(5) covers permit space entry where the employer can demonstrate that forced air ventilation alone will control all hazards in the space.


Remains outside the permit space during entry operations until relieved by another attendant;Note: When the employer's permit entry program allows attendant entry for rescue, attendants may enter a permit space to attempt a rescue if they have been trained and equipped for rescue operations as required by paragraph (k)(1) of this section and if they have been relieved as required by paragraph (i)(4) of this section.


In offices where community levels established by the Centers for Disease Control and Prevention (CDC) are low or medium, you do not need to wear a mask or practice social distancing. However, you may a wear a mask if you want to do so.


If you need to reschedule your appointment, call the USCIS Contact Center at 800-375-5283 (TTY 800-767-1833). To reschedule your appointment with an asylum office, please follow the instructions in your interview notice. Appointment notices will include more instructions for visiting USCIS facilities. For more information, see our USCIS Visitor Policy page.


This "do not enter" sign is at the parking lot of the local high school and they're trying to direct traffic in one direction through the parking lot to facilitate dropping off students at a much quicker pace.


Most of the time you're going to find the "do not enter" signs at one-way streets, on-ramps to freeways, and often it's in combination with this sign: "wrong way", which means that you're definitely gonna be encountering opposing traffic - often at a high-speed.


These do not enter signs behind me are on the opposite side of an off-ramp off the highway here. So if you end up on the other side of the road, which is going to be unusual, because as I said they're on the other side of the road in the wrong lane of traffic.


So many times these "do not enter" signs are posted at the entrance of off-ramps so that you don't confuse that and end up out there mistakenly facing on-coming traffic and risking a head-on collision.


CBP has been entrusted with enforcing hundreds of laws for 40 other government agencies, such as the U.S. Fish and Wildlife Service, the U.S. Department of Agriculture and the Centers for Disease Control and Prevention. These agencies require that unsafe items are not allowed to enter the United States. CBP officers are always at ports of entry and assume the responsibility of protecting America from all threats.


The products CBP prevent from entering the United States are those that would injure community health, public safety, American workers, children, or domestic plant and animal life, or those that would defeat our national interests. Sometimes the products that cause injury, or have the potential to do so, may seem fairly innocent. But, as you will see from the material that follows, appearances can be deceiving.


Before you leave for your trip abroad, you might want to talk to CBP about the items you plan to bring back to be sure they're not prohibited or restricted. Prohibited means the item is forbidden by law to enter the United States. Examples of prohibited items are dangerous toys, cars that don't protect their occupants in a crash, bush meat, or illegal substances like absinthe and Rohypnol. Restricted means that special licenses or permits are required from a federal agency before the item is allowed to enter the United States. Examples of restricted items include firearms, certain fruits and vegetables, animal products, animal by products, and some animals.


Cars being brought into the United States temporarily, by nonresidents, (for less than one year) are exempt from these restrictions. It is illegal to bring a vehicle into the United States and sell it if it was not formally entered on a CBP Form 7501.


You may need a U.S. Department of Agriculture permit and/or a Centers for Disease Control and Prevention permit to import biological specimens including bacterial cultures, culture medium, excretions, fungi, arthropods, mollusks, tissues of livestock, birds, plants, viruses, or vectors for research, biological or pharmaceutical use. Permit requirements are located under "Permits" on the USDA Web site and CDC permit information can be found on the Etiologic Agent Import Permit Program page.


Many countries will not allow you to enter with a firearm even if you are only traveling through the country on the way to your final destination. If you plan to take your firearms or ammunition to another country, you should contact officials at that country's embassy to learn about its regulations.


Nonhuman primate trophy materials may require a permit from the Centers for Disease Control and Prevention. Prospective importers of nonhuman primate trophy materials from nonhuman primates should review the permit requirements and complete an application form, following the Guidance for Individuals Wishing to Import Non-Human Primate Trophies, Skins or Skulls. Trophy materials of other animals under import embargo because of viral zoonotic infections, such as civets, Asian birds, and African rodents, may be imported if the body has been sufficiently processed to render it non-infectious. Proper methods of accomplishing this include:


U.S. residents entering the United States at international land borders who are carrying a validly obtained controlled substance (other than narcotics such as marijuana, cocaine, heroin, or LSD), are subject to certain additional requirements. If a U.S. resident wants to bring in a controlled substance (other than narcotics such as marijuana, cocaine, heroin, or LSD) but does not have a prescription for the substance issued by a U.S.-licensed practitioner (e.g., physician, dentist, etc.) who is registered with, and authorized by, the Drug Enforcement Administration to prescribe the medication, the individual may not import more than 50 dosage units of the medication into the United States. If the U.S. resident has a prescription for the controlled substance issued by a DEA registrant, more than 50 dosage units may be imported by that person, provided all other legal requirements are met.


Warning: The U.S. Food and Drug Administration prohibits the importation, by mail or in person, of fraudulent prescription and nonprescription drugs and medical devices. These include unorthodox "cures" for such medical conditions as cancer, AIDS, arthritis or multiple sclerosis. Although such drugs or devices may be legal elsewhere, if the FDA has not approved them for use in the United States, they may not legally enter the country and will be confiscated, even if they were obtained under a foreign physician's prescription. 2ff7e9595c


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