EPA National Pesticide Standard Repository

ENVIRONMENTAL SCIENCE CENTER, FT. MEADE, MARYLAND D ECEMBER MAY 15, 2015 2004

Due to multiple work assignments and priorities, I have not published a newsletter for several months. After talk- ing to some of the repository customers it has been brought to my attention that customers refer to the information in the newsletter when requesting standards from the repository. With that in mind, I will make a conscious effort each month to provide that information via the newsletter. Regards, Terry

Historically, the repository Ideas for the Newsletter? has dispensed approxi- Question About the Repository? mately 100mg of material Send your questions and ideas for each analytical stand- to: [email protected]. ard requested. Recently, we have decided to re- I will be happy to answer your duce the amount of ma- question and possibly include terial in each single vial to approximately that information in the next newsletter. 75mg. If you anticipate needing more that 75mg of analytical standard, please let us know by leaving a comment at the bottom of the order form when request- Inside this issue: ing analytical standards.

Standards Temporarily Unavailable ………...… 2 Contact Information..….... 2 Order Update……………..2 PAGE 2 EPA NATIONAL PESTICIDE STANDARD REPOSITORY

Analytical Standards Temporarily Unavailable From The NPSR The following active ingredient standards are either expired or out of stock. NPSR is in the process of reordering these standards; there may be a delay in filling orders for these standards. acequinocyl OH flurprimidol prometryn acetochlor metabolite (EMA) foramsulfuron propargite acetoprol fosamine ammonium propazine alachlor hydroxy fosetyl-al propetamphos alachlor metabolite 2,6 DEA glufosinate propanoic acid proquinazid aldicarb glyphosate pyridalyl allethrin halofenozide sethoxydim sulfoxide amicarbazone halosulfuron-methyl sethoxydim 5-OH-sulfoxide amitraz metabolite DMPF hexythiazox sumithrin amitraz metabolite DMPMF hydroprene - (S) tebuconazole aviglycine hydrochloride (AVG) imazamethabenz-methyl tebufenpyrad azimsulfuron imazapic alcohol tebupirimfos baycor / bitertanol imazaquin tebupirimfos OA benomyl imazethapyr glucoside tefluthrin bensulide oxon imidacloprid terbufos oxon benzyladenine, 6- imidacloprid metabolites tetraconazole bioallethrin, S- imiprothrin thiabendazole buprofezin iprodione metabolite thiophanate-methyl chlorfenapyr metabolite kinoprene, (s) tolfenpyrad chloroneb lindane tolylfluanid chloropicrin linuron triazophos clethodim malathion tributyltin oxide clopyralid metam potassium coumaphos oxon methamidophos Order Update: The Repository cypermethrin methoxychlor cyphenothrin metolachlor staff is currently filling orders dated cyprodinil metribuzin April 21, 2015 and before. deltamethrin, trans monolinuron diazinon hydroxy morpel CONTACT INFORMATION diazinon oxon naphthalene dicamba nithiazine Theresa Cole (Terry) dicofol, p,p. nitrofen National Pesticide Standard Repository dimethenamid-P oxydemeton-methyl [email protected] fenbuconazole isomer A oxyfluorfen (410) 305-2907 fenhexamid phorate oxon sulfoxide fipronil sulfonate phorate sulfone Thuy Nguyen flubendiamide phosmet Branch Chief, Analytical Chemistry Branch flufenoxuron pirimiphos methyl [email protected] (410) 305-2905 flufenpyr-ethyl primisulfuron methyl