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EGISTER
NUMBER 99

VOLUME 24

a /i t e d
Washington, Thursday, M ay 21, 1959

salt will be formed when the mixture is CONTENTS
added to water, but they are commonly used as amine salts, as volatile esters, in Agricultural Marketing "Service Chapter III Agricultural Research cluding the ethyl, butyl, propyl,, and Notices:
Service, Department of Agriculture amyl series, or as low-volatile esters, in Mountain Home Livestock Auc cluding butoxy ethanol, polyethanol Interpretation 17; Revision 1
tion et al.; posted stockyardsglycol butyl ether, tetrahydrofurfuryl, Union Stock Yards Co. of PART 362 REGULATIONS FOR THE ethoxy ethoxy propyl, butoxy ethoxy Omaha L td .; petition for ENFORCEMENT OF THE FEDERAIT propyl, iso-octyl, arid others.
modification of rate order b Ingredient statement. 1 TheRules and regulations:
INSECTICIDE, FUNGICIDE, AND
active ingredients in a weed killer con Plums grown in California; regRODENTICIDE ACT
taining 2,4-D, 2,4,5-T, or MCPA will be ulation by grades and sizes_
Interpretation With Respect to Label the actual compounds of the acids which Agricultural Research Service ing of Weed Killers Containing are present. In a powder containing Rules and regulations:
2.4- D -acid and sodium carbonate, for 2,4-D, 2,4,5-T, and MCPA
W e e d killers; interpretation example, the active ingredient would be with respect to labeling_____
Since the issuance of Interpretation the 2,4-dichlorophenoxyacetic acid ; in
17 with respect to labeling of weed killers a product containing the anhydrous Agriculture Department
containing 2,4-D 7 CFR 362.115, the sodium salt of 2,4-D r however, the active See Agricultural Marketing Serv marketing of new pesticides and changes ingredient would be the anhydrous ice; Agricultural Research Serv in the production, use and requirements sodium salt of 2,4-dichlorephenoxyacetic ice.
as to the use, of 2,4-D herbicides have acid; the etbanol amine salt of 2,4-di Atomic Energy Commission rendered this interpretation obsolete? chlorophenoxyacetic acid would be the It is felt that the interpretation with active ingredient in a product contain Notices:
Westinghouse Electric Corp. ;
respect to ..these products should be re ing it; and any specific esters of 2,4order reopening proceedingsvised in order to provide the industry dichlorophenoxyacetic acid p r e s e n t with information concerning current would be declared as the active ingredi Civil Aeronautics Boarc labeling requirements and to cover the ents in products containing them. The Notices:
Complaints v. American Ship new products of a similar nature which same principle would be followed for the pers, Parcel Air Service;
are now being" marketed. Therefore, various formulations containing 2,4,5-T
h earin g _______
pursuant to the authority vested in me or MCPA.
Eastern Air Lines, Inc., et al.;
by 362.3 of the regulations 7 CFR
2 Since the herbicidal action of Puerto Rico passenger fare 362.3 under the Federal Insecticide, products containing 2,4-D, 2,4,5-T, or investigation; notice of hear Fungicide, and Rodenticide Act 61 Stat. MCPA has been reported on the basis ing_1 -_____________
63; 7 U.S.C. 135-13Ek, Interpretation of the-equivalent content of their respec 17 with respect to labeling Of weed killers tive acids, it is desirable th at the Rules of regulations:
containing 2,4-D is revised to read as equivalent amount of the acid be given . Accounting and reporting re follows:
quirements; clarification------in the ingredient statement. However,
Interpretation with respect to it should be borne in mind th at some Civil arid Defense Mobilization labeling of weed killers containing compounds, particularly thé esters, act Office differently from others and it is not safe, Notices:
2,4-D, 2,4,5-T , and MCPA.
therefore, to base judgment entirely on Botkin, Harold M.; appointees a Composition. In this interpretathe equivalent acid content.
statement of business inter 2,4-D is a designation for 2,43 When sodium 2,4-dichlorophenests__ i___ _______________
aicmorophenoxyacetic acid; 2,4,5-T is a Contribution of tanker capacity designation for 2,4,5-trichlorophenoxyoxyacetate monohydrate is present in a dry mixture, it should be considered for national defense require fia. These designations will also repre tions, the convention has been adopted sent the salts and esters of these acids of declaring only the anhydrous forms Coast Guard wnen they are used as weed killers. The of the dissolved solids as active ingredi Rules of regulations:
acids themselves are not very soluble in ents; thus, in a water solution of sodium Bend signal and subsequent meeting situation________
er and ordinarily are not used alone; 2.4- dichlorophenoxyacetate m o n o h y
mixed with an alkali, such drate, the active ingredient would be Commerce Department as sodium carbonate, so that the sodium Continued on next page See Foreign Commerce Bureau.
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