Using the Centrifuge Sample Clauses

Using the Centrifuge. A 14 %( w/w) sodium chloride solution is prepared and added to the emulsion at a ratio by weight of 300:100: emulsion salt brine. The aqueous phase will have a higher density than the emulsion particles but lower than the latex particles. In Table A1, below, is shown a table of the specific gravities of brine solutions at 15° C. Place approximately 150 ml of the mixture in each of 2 centrifuge tubes, making sure that each opposing pair is equal in weight. Centrifuge for 1 hour at 4500 RPM. After the sample has been centrifuged, remove the latex from the bottom of each tube in a manner that provides the least contamination with the asphalt emulsion and place in a new centrifuge tubes. (The asphalt emulsion may have inverted from the effect of the salt in which case the latex may be easily poured out once a hole is made in the inverted latex.) Balance each of the new tubes with each other then re-centrifuge for 15 minutes at 4500 RPM. Push a pipette through any asphalt film on top and remove the latex with the pipette and place in a labeled 125 ml bottle.
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Using the Centrifuge. Prepare a blend of 240 gm of emulsion and 80 gm of water. The aqueous phase will have a lower density than the emulsion particles but higher than the latex particles. Place approximately 150 ml of the mixture in each of 2 centrifuge tubes, making sure that each opposing pair are equal in weight .Centrifuge at 4500 RPM for 1 hour. After the sample has been centrifuged, remove the latex from the top in a manner that provides the least contamination with the asphalt emulsion and place in new centrifuge tubes. Balance each of the new tubes with each other then re- centrifuge for 15 minutes at 4500 RPM. Push a pipette through any asphalt film on top and remove the latex with the pipette and place in duplicate labeled 125 ml bottles. (At times there is a light asphalt film on top, probably from cutback residue in a truck carrying the emulsion.)

Related to Using the Centrifuge

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  • By the Company The Company will indemnify and hold harmless, to the fullest extent permitted by law and without limitation as to time, each Holder, such Holder’s officers, directors employees, agents, fiduciaries, stockholders, managers, partners, members, affiliates, direct and indirect equityholders, consultants and representatives, and any successors and assigns thereof, and each Person who controls such holder (within the meaning of the Securities Act) (the “Indemnified Parties”) against all losses, claims, actions, damages, liabilities and expenses (including with respect to actions or proceedings, whether commenced or threatened, and including reasonable attorney fees and expenses) (collectively, “Losses”) caused by, resulting from, arising out of, based upon or related to any of the following (each, a “Violation”) by the Company: (i) any untrue or alleged untrue statement of material fact contained in (A) any registration statement, prospectus, preliminary prospectus or Free-Writing Prospectus, or any amendment thereof or supplement thereto or (B) any application or other document or communication (in this Section 6, collectively called an “application”) executed by or on behalf of the Company or based upon written information furnished by or on behalf of the Company filed in any jurisdiction in order to qualify any securities covered by such registration under the “blue sky” or securities laws thereof, (ii) any omission or alleged omission of a material fact required to be stated therein or necessary to make the statements therein not misleading or (iii) any violation or alleged violation by the Company of the Securities Act or any other similar federal or state securities laws or any rule or regulation promulgated thereunder applicable to the Company and relating to action or inaction required of the Company in connection with any such registration, qualification or compliance. In addition, the Company will reimburse such Indemnified Party for any legal or any other expenses reasonably incurred by them in connection with investigating or defending any such Losses. Notwithstanding the foregoing, the Company will not be liable in any such case to the extent that any such Losses result from, arise out of, are based upon, or relate to an untrue statement, or omission, made in such registration statement, any such prospectus, preliminary prospectus or Free-Writing Prospectus or any amendment or supplement thereto, or in any application, in reliance upon, and in conformity with, written information prepared and furnished in writing to the Company by such Indemnified Party expressly for use therein or by such Indemnified Party’s failure to deliver a copy of the registration statement or prospectus or any amendments or supplements thereto after the Company has furnished such Indemnified Party with a sufficient number of copies of the same. In connection with an underwritten offering, the Company will indemnify such underwriters, their officers and directors, and each Person who controls such underwriters (within the meaning of the Securities Act) to the same extent as provided above with respect to the indemnification of the Indemnified Parties or as otherwise agreed to in the underwriting agreement executed in connection with such underwritten offering. Such indemnity and reimbursement of expenses shall remain in full force and effect regardless of any investigation made by or on behalf of such Indemnified Party and shall survive the transfer of such securities by such seller.

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  • Playground ~ The playground is primarily for the use of children under the age of twelve (12). Any child caught throwing rocks, vandalizing, or hitting or teasing other children will be asked to leave the playground. An adult or appropriate baby-sitter must accompany all children under the age of six (6) years old. Garbage ~ The storage, collection and disposal of refuse and garbage in the recreational camping areas shall be conducted as to create no health hazards, rodent harborage, insect breeding areas, accident or fire hazards, or air pollution. Bag all food garbage in plastic and tie shut before placing in the dumpster, to prevent odor and rodents which are drawn to the garbage area, such as skunks, raccoons etc. Dumpster is for normal daily household garbage, no large boxes, building supplies, carpets etc. Camper is to dispose of this type of garbage elsewhere. Garbage may be placed in dumpsters only. If a dumpster is full, do not place garbage on or around the dumpster, find an empty dumpster to place your garbage into. Bags of garbage may not be set outside your camper for any reason. Disposal or deposit of hazardous or toxic waste is prohibited. No gas, oil, batteries, or car fluids may be deposited into the dumpsters or around the dumpsters. Hazardous materials will not be disposed of by the garbage service. Disposal or deposit of furniture, barbeque grills, washer, dryers, and other large household items are NOT permitted on, in or around the dumpsters. Holding Tanks ~ There is no size restriction on holding tanks, however, they must be opaque XX xxxx/black water approved tanks. The on-site dump station may be used to empty tanks that hold 50 gallons or less. For tanks over 50 gallons Camper must contract with a pumping service to pump and remove tank contents from campground. No dumping of xxxx water onto the ground. Docks ~ Campground does NOT have a lifeguard on duty. The docks are privately owned. In order to be on someone's dock you must receive permission from the dock owner. An adult must accompany all children on the docks after dark. Life jackets are required for young children fishing off docks. Running, diving, and/or horseplay are not allowed on the docks. All debris and toys must be removed from the docks, beach and marina area. Inappropriate behavior, intoxication or shouting on docks is not allowed. Glass is not allowed on the beach area. Jet skies, wave runners, etc. are not permitted in the marina area. Tires cannot be left in the marina area under boats or tied onto docks. Fish House ~ Clean up fish cleaning facility when done with your fish cleaning and bag all fish remains. Fish cleaning house must be kept clean and all fish waste must be put into plastic bags and deposited into dumpster and cover on dumpster closed. No dumping of fish wastes into marina or dog waste stations! Swimming Pool ~ Campers are required to abide by all rules posted in and around the pool area.

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