# CLEAN CROP MALATHION ULV-91

- EPA Reg No: **34704-203**
- Registrant: LOVELAND PRODUCTS, INC.
- Signal word: Caution
- Active ingredients: Malathion  (NO INERT USE) (91%)
- Label accepted: 1994-03-22
- Source PDF: https://www3.epa.gov/pesticides/chem_search/ppls/034704-00203-19940322.pdf

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UNITED STATES ENVIRONMENTAL PROTEcnON AGENCY 
. WASHINGTON, D.C. 20460 
J. Allen Dunlap III 
WILLIAM M. MAHLBURG 
~',? 22 'S9-1 
AGENT FOR: PLATTE CHEMICAL CO. INC. 
- BOX 667 
--G--R--E--E~LEY, CO 80632 
OfFICE Of 
PREVENTION, PESTICIlES AND 
TOXIC SUBSTANCES 
Subject: Label Amendment Submission of 11117/93 in Response to PR Notice 93-7 
EPA Reg. No. 34704-203 
CLEAN CROP MALATHION ULV-91 
Dear Registrant: 
The labeling cited above and submitted in connection with registration under the 
Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), as amended, is accepted 
subject to the comments reflected on the enclosed sheet. A copy of your proposed labeling 
stamped" ACCEPTED WITH COMMENTS" is enclosed. 
WHAT THIS ACCEPTANCE MEANS: 
Based on your certification, the Agency has accepted the labeling changes that are 
necessary to comply with the Worker Protection Standard (WPS) labeling requirements of 
4ij CFR part 156, subpart K, described in PR Notices 93-7 and 93-11. Any other labeling 
changes submitted in connection with this amendment application but not directly related 
to compliance with the WPS have not been revieweli or accepted by the Agency. If you 
wish to make such changes, you must submit a separate amp.ndment application proposing 
them. If your product is currently suspended, the acceptance of this labeling amendment 
does not affect the suspension in any way. 
WHAT YOU NEED TO DO NEXT: 
By the next label printing make all the specified changes to your labeling. Send to 
EPA one (I) copy of the final printed labeling: 
• BEFORE selling or distributing any product bearing the final printed labeling 
AND 
• WITHIN one year from date of this acceptance .

• 
Page 2 
Submit the final printed labeling via the U.s. Postal Service to: 
Document Processing Desk (FIN-LABEL) 
Office of Pesticide Programs (7505C) 
U.s. Environmental Protection Agency 
401 M Street, SW 
Washington, D.C. 20460-0001 
Hand or courier deliveries of final printed labeling may be made to: 
Attachment 
Document Processing Desk (FIN-LABEL) 
Office of Pesticide Programs 
Room 266A, Crystal Mall 2 
1921 Jefferson Davis Highway 
Arlington, V A 22202 
, 7 
'1

.ABEL 
MALATHION 
ULV-91 
MAR 22 1994 
S._·'if4"i'~144iia[·m AcrlVEI • 
M.latllion: O.O-4I ..... hyl p_phorodlt_ 
of dlethyt mercaptooucc_ ..................... 91.D'40 
INERT INGREDIENTS: • .. • .. .. .. • .. • .. • .. .. .. .. .. .. .. 9.D'40 
TOTAL 100.0,," 
(Onogaflon _U3 ~oI ...... thfon.1 
KEEP OUT OF REACH OF CHILDREN 
CAUTION 
3797 
EPA REG. NO. 34704-203 
EPA EST. NO. ____ _ 
NET WEIGHT GAL. ( L) 
• CYTHION end "THE PREMIUM GRADE IMLATHION" .. 
Rqpl .... id T..,. 'tol ""*"*' CyaMfNd Co. 
WPSEXP10Y13 
8eIott USII'Ig. I'Nd the CIIrtdionI CDI'iIIined In WI ...... tar ... paper IIIIittIOds 
and Pf1)Cedut'- whec:tI ",... be ~ 10 IIChiIw ........ IftWCI corcroI 8ftd 
awod ~ daINIge 10 1UIOmCOIe.., __ peirlllIniehea. 
PRECAUTIONARY STATEMENTS 
HAZARDS TO HUMANS AND DOMESTIC ANIMALS 
CAUTION 
HARMFUL BY SWALLOWING, INIfALATION OR SKIN CONTACT. 
AvoId !nothlng S_ Il101. _ Contact WI1h Skin. Do Not eon. 
lamlnot. Food Or __ fa. 
;:,:;-",....",~',-,' "" ,- .---- 1'-' 
0- ~,- '- .. ~ l' ," - C -,;>_ 1'" ,--,,, t~· 
ENVIRONMENTAL HAZARDS 
This pesticide is IOIOC 10 Iish. -* i ___ • and -* life 
slagOs 01 amp/Iibians. For ....... riaI ...... dO "'" apply diroctIy 10 w_. 
or to •• as where surface wa .... is presenl or 10 tnIenidaIareu below the mean high w_ marie. Do "'" contaminaIe __ n disposing 01 
equipmenl washwaters. 
This product is highly ...., 10 _ expoHd 10 direct _t on 
btooming "'- or _ Do "'" apply this produCt or _ it to drift to 
btooming "'- or_ M _ ... visiting the ... _ ..... 
STATEMENT OF PRACTICAL TREATMENT 
If SWd Ed C ••• phySiciIIn Of PoiIon Control c..... immedialilty. 
OJink .... or IwO gtassn 01_ and indue. vomiting by touching the 
back 011_ Wllh Iingor. ~ until __ is _. Do not indue. 
vomiting or UNO anything by mouth to an unconsc:i<>us penon. 
H _-_ victim 10 fresh air. Apply artificial ........ ion of 
indic:aIod. 
If On Skift-RIWlI • cc ,ta .. lhi., titAl*1Q a .. et wash atJected areu 
with so.p.net water. 
U In Eyeo--FIUSh eyes Wllh ptonly 01 walOf. Cal a physician if _lion 
-. Note 10 PhysIc .... : This produCt may cause cholinesterase inhibition. 
Attopino is.-. 2·PAM may be 011 ...... as an adjunct to atropino. 
PHYSICAL OR CHEMICAL HAZARDS 
00 not use or store ..... he. or open name. 
DIRECTIONS FOR USE 
II is a vQahon of Federal Law to use lhis product in • manner inconSIS-
10" with its 1aMIing. 
UndllutodsproydtoptotsoiMAlAThoON "'Ly·gt conc:entratoinsecticicfo 
will pomoanontty.-.-__ ..... unIoss theM spocific instruc· 
tions tor ground.net ........ ~ I"c.f C i erelolowtd. 
BEST AVAILAILE

MALATHION ULV-91 
EPA REG. NO. 34704-203 
NON·AGRICULTURAL USE REQUIREMENTS 
e' ... Jlfe,-.,en'5 ,r' 5 ::;" aD>:) ~ '0 I.St'5 C '" 5 P'O:::: .. JC' t a a's OJ 
I ." e sec e 0 ''is 'w.c'_er 'C'ec C~ ')"Ca'O 0' a-'.::;..J' ~'a 
mpr:gCftl!lil;';mplt"Dttf*4·M'I~_ia'·wE!B'F 
use 10 '0 <lee a ',e ... IVa. Darts C.., <1''''5 o'e:,'5 r ... ':,e'S5 0 
STORAGE AND DISPOSAL 
PROIiIBITIONS: Do not contamin ... _.food. or !oed by storage Of 
disposal. Open dumptng is prohibited. Do not reuse empty container, 
00 IlOI S10re under Conditions which might adversely affect lhe con· 
lainer or its ability 10 function property, 
STORAGE: SlOta In safe manner. Slare k'I Ofiginat COIllatner only, Keep 
contamer tighUy closed when not. In use, Reduc6 SlaCIung height 
whete local conoations can affect package snngth. Personnet should 
use Clothing and equipment consislenl 'Mth good pesticide handling. 
PESTICIDE DISPOSAL: W ..... "'uI~ng lrom lhe use oIlhis product 
may be disposed of on site or at an approved wasle disposallacility. 
CONTAINER DISPOSAL: Kalal: Triple rinse (Of equivalent). Then 
oller lor recychng or reconditioning, 01' punaUftl and dispose of in • 
sanitary landl,". or by other pr<IC"dures approwd by ..... and local 
authorities. PI •• tic: Triple rinse (or equivalent). Then oller lor recycling 
or reconditioning, or puncture and dispose of WI a sanitary landfill, or 
incinerallOll, or. II allOwed by state and local tlUlhorities, by burning. II 
burned. stay out 01 smoke, 
00 nOI apply ttus prOduct through any type of Krigallon system. 
MOSQUITO CONTROL IN POPULATED 
AND RURAL AREAS IMPORTANT NOTICE 
TO BE APPLIED ONLY BY TRAINED PERSONNEL OF PUBLIC 
HEALTH ORGANIZAT;ONS. MQSOUllO ABATEMENT OISTRICTS OR 
PEST CONTROL OPERATORS. 
AERIAL APPLICATION 
ADULT MOSOUllO CONTROL OIlER CITIES. TOWNS. AND OTHER 
AREAS WHERE AUTOMOBILES. TRAILERS. TRUCKS ANO PLEA· 
SURE BOAlS ARE PRESENT: Apply 2.6 to 3.0 ftuid OUncfl 01 MALA· 
THION ULV 91 per acr., Appty onty when weather conditions ar. 
laVOC'able. Wind ~nd nsing air cur,.,.. may cause undesirable spray drift 
and reduce insect cQrltrol. 
IMPORTANT: Undlluled spray droplets 01 MALATHION ULY·91 will per· 
manently damage vehic .. paint finishes unless lhe aircrall used lot the 
ultra tow volume apptcattOn meets all althe specificationS hsted below. 
Fi.~d Yt ing Aircraft 
1 Airc;;.flI5 operated at 150 mph Of more. 
2, Ther. are no leaks .... the ultra low YO&ume spraY' 5ySlem. 
3. Nozzles ar. placed on the boom at a '5° angle down and inlO the 
WInd. 
4. [);aprvagm chect!; valves are UMd on all nozzles to ir1SUfe J)OSIhve 
cut~H of the spray. 
S. Dosage 01 MALATHION ULY·91 _ not __ 3 _ ounces per 
acre. 
6. The spray system produces droplets of this product in the 50 to 60 
mass median diameter (MMO) micron range, with no mote t~ 1(M 
of the droplets eltCeeGng 100 microns, U delefmined by readings 
made trom rmcroscope slides coated w1lh ORI-FILM· eM' TEFLON- . 
Helicopter 
Equipment speclflCahons 
I. R-rnozz"_nt to B".o"N.1 Spray Head __ 
No. 350 eQUIPPt'd Wllh: 
a. a direct re-.g RPM ... _ or low RPM signlllighI rUddy 
v.!Nble k) opctIalOf; 
b. a sla""ess "HI poJOUS metal sIMw. 20 micron pore SlZ. dy­
narrncaHy batanced to I .... nozzte: 
(; a cupnragm check varve as.,.., 10 the rotary nozzle as pos$tbIe 
10 .nsure positive cuI oft of the spray; 
d nozzle on-oU sWitch separltl from ma.., SlIIltch and pump 
SWIIC'" 
2 Minimum no-load nozzle sPft(l of 10,500 RPM. 
3 A conllnuous nonOutsatlng mecet'ed now must be matntatned by iI 
variable s","eeI metering pump tQUtPPed wllh: 
oil a posit ..... cut oft valve betwMn lank and pump, 
b a flow gaove or tachometer VISIble to operlltor, 
c a pump on-otf IWftCh HPltlte from main ' .... ch and noZzt. 
SWItch 
• ~ilJIltnum flOw tat. of 05 gatton pet """"" per nozzle 
5 Rotary nozzle must be mourned behind and below the boom with the 
sleeve dll8Cted toward the feaf 01 the 811clall and paral6el lu the 
ground dunng Htgnt. Nozzle must be poslltOned to minimize air 
turbulence and the collection of MALATHION ULV·91. droplets on 
mounting brKkelS."eo lines. fillings, elG., 01 any pan of lhe a"craft. 
• Trademark of General Efectnc Company 
.. Regtstered Trademark 01 E.!. duPont de Nemours & Co . Inc. 
Operating Procedures 
1 MALATHION ULV·91 must be preldlered Ihrou~h a 10 mICron hiler 
prlOf 10 transter Into helICopter lank. A 50 mesh slalnless sleel hne 
slralnet' must be NlSlaued.n the pump feed hne. 
2. Ent.,. system. InCluding lank. pump. nozzle and teed .nes. 10 be 
used only tor applical"" 01 MALATHION ULY·91. 
3. Entir. system must be Inspected deity 10 Insure lhat there are no 
leaks. 
4. Sleeve must be removed and cleaMd tmmediately aher each use by 
washing with hoi. WaMr and blowing dry 'rom outside in with clean 
a". 
5. Rotating nozzle must be turned on and operattng before turning on 
pump. fot' shut off, PUmP must be shut ofl and lines cleared prior to 
slOpping nozzle rocaUon. 
6. Dosage 01 MIII.ATHION ULY·91 -. not e..- 3 huM! ounces per 
acre. , t 
7. The spray SYSIQfll musl produCe tIropIelS 01 MALATHION ULY·91 
with a mass nledian diameler (MMO) of less than SO microns. with 
no more than 2.5% 01 the droplets exceeckng 100 microns. as 
determined by readings made from mICroscope slides coaled wilh 
DRI·FILM orTEFLON. 
GROUND APPLICATION 
Thermal Aerosols or~. 
For control of aduh mosquitoes with thttrmal aerosols or togs. apply 
MALATHION ULV·91 al Ul8 rate of 6-8 oz. actuaU'gallon (3.9·5.2 gallon& 
MALATHION ULY·91 in 100 gallon. linished soIUlion') by grounclequip. 
ment delivering 4() galLons per hour at. whlCle speed 01 5 miles per hour 
, to treat a swath width 01 300-400 leet. 
• There is a great vanaltOn m the chemical compositIOn of luel oils Which 
may be used as thermal log solvents. These dlflerences may cause 
sludge and/or aHect lhe solubility oIlhe MALATHION ULY·9\. For more 
complete details on tests for studge IofmallOll and solUbility in thermal 
log soIUltOnS. wnte Plalte ChemlCat Co., P.O. 80s. 667, GrHiey. CO 
80632 
Alln: Labeling Dept. 
Nonlhermal MroaoI, 
OYer a 300-i00i: swatn can be produced USMl9 the non-thermal ultra tow 
volume aerosol method with MALATHION ULV-91. Use the toIIowing 
rates a. the indicated vehicle Speeds: 
.... hkIe $peed Flow'" at MALATHtON " •• Imu", Flaw 
.... per Hour Fh.tId Ouncft per .... ule A ... pet Hour 
5 1.0102.1 fluidounces I galon 
10 2.0 to 4.311u1d ounces 2 gaIonS 
15 3.01O&._SftuJdounces 3~ 
20 _.OIDI.nUldounces _gallOns 
For control of adult slable fty in popuIaIetj and rural areas With nomher­
mal aerosols of MALATHION ULV·91 USIng the ultra kJw volume method. 
use lhe IoIk1wtng flow rales at the InchClted vehicle speeds: 
...... Speed FJow Rat. of MALATHION .... Im""" Flow 
KitH,., Hour Fluid 0uftceI PIt MInute fl. .. pet" Hour 
5 2.1ftt.11C1ounc.. 1~ 
10 4.3 .... DIIftCa 2gA11On1 
DROPLET SIZE 
I. The Maso _ Ilia..-. (MMDI oIlho droplets should not _ 
17 microns. The MMO is the drop diameter whiCh OiYidH the spray 
VOlume Into two equal partS: i.e .• ~ of the 'IOkH'ne IS in lhe drop 
,Ize, below the MMO lind ~ is above the MMO, 
2, Spray drOpIet$ shOutd noIacnd 32 microns in SlZ •. ThrN perCeniof 
lho sprlY droplets (6 __ oul 01 200) cln • ..- 32 ,"",runs 
provtdlng the MMO doeS not excMd 17 microns and no droplets 
ell:Cftd a maxH1\Um of 4' microns. larger dropletS, WMn transpor1td 
by nat",al alt currents, impinge more readily on obiwcIs in their path­
wlY Ind wiI permanently damage "'-Iypo paints. 
3. More than one-haH of the IOIat spray mass must consist of dr~ in 
the 6 to 18 mtcrOn range to ac:h ... aCIeqUaItI dispersal of tnsectlClde 
over a 300-tooI SW8lh. 
•. A mInImum of IwO-lhlrds, preterably tour·rirthS of tnt IOta! spray mass 
must ConSIS' of droplets noc ncHdtng 24 mtcton& N\ range. 
OPERATING EQUIPMENT 
Each Nonlherma' Aerosof Generator usecl tor dt$persil 01 MALATHION 
ULV·91 10 COf1troi adutt mosqUl1oes must haw mmWTIum capablhty of 
produCmg the dropfet spectrum descnbed under DROPLET SIZE. The 
india! determinahon of dropteI SIze is made after the untlrs tnstaUed In I 
vehtcle and pnor 10 11, use in mosqUitO controt operatIOns. The untl 
should be rechecked as frequltntty a, necessary to M"Isur. tn.t proper 
droP'I4 $Iz.", malf'ltalf'le(l 'or each operallOl'l. 
OetermtnttlOn of CkQC4t1 sae every two months IS usually tufficienllf the 
unit has bHn m~.., good opertllng condlllOn. EQl.ItPfMnt manu­
factur ... ·• tnstfucttOnS MI1It'1Q Iorth c .. an.ng and matntenance of the unrt 
2 BEST AVAILAILE

MALATHION ULV-91 
EPA REG. NO. 34704·203 
must be tonowed. The unit musl t. tnspected before each operaliOn 10 
cOfrect any leaks or obslrucltons in the SPlay syslem: 10 deleel whether 
lhe nozzle. hoses. or other pans ate worn and need replacement; 10 
insure that the flow meter IS properly calibrated; and to delerrrune Ihallhe 
pressUle recommenoed by the manulaclurer IS being maulCatned. 
Flow A.te-musl be regulated by accOlate flow meter. 
-001 greater than 1 gallon per hour al 5 mph, 
2 gallons per hOur alia mpn. 3 gaJlons per hour at 15 mph 
or 4 gallons per hour .. 20 mph. 
Nozzle DIfec.Ion-f • ., 0I!he_. 
-upward at ananglll of 450 01 more. 
Vehicle Speed-no! gno_ 'han 20 miles per_. 
-$hu, 011 spray equiprMfllwhen vehicle is SlOpped. 
IMPORTANT -Spqy drQIIIeII 01 undiluled MALATHION UlV-9' won per­
manentty damage aulOmObile paint unless all the condittons described 
and recommenct.d in this ....... are mel. 
Directions for Determining the droplet size of 
MALATHION ULV-91 nonthermal aerosols 
1_ Pre_lion 01 S_. with Ofll.FlLM 
MALATHION UlV-91 dropIeI sizes .r. _mined by deposiling a 
semple oIlhe _ on • coaled glass Slide and measuring lhe 
dtopIoIsundot.~red~.~3·· x l"gIass 
slide. musl be cOOled with silicone (General Eleclric SC-ll7 OR~ 
FILM) prior ., sampling .. 1"- __ spreading 0< c_ 
cenci 01' the dropielS. The slides are dipped into a 10 pere&nl soluliOn 
of ORI-FllM in lOIuene. drained and dried at about 200- F. 101 30 
minutes. aher which they .e dipped '" acelone. aMowed to dry and 
stOled In tight slide bo •• Coating solution must be keshly prepaled. 
00 noI slore coating soIutton beCause II will deteriorate. Sl&des are 
lightly polished with a soft ussue before using to remove any Ioreign 
panicles. 
2_ Deposi.1on 01 MALATHION UlV-11 Dn>pIeta on __ 
DropIeIs should be coIIecIod under idaal _aIing condilions 10 
insure __ live sarnpt;ng 01 dropIeIs in lhe ........ A sample 01 
lhe MALATHION UlV-91 _oso/ is deposiIod on • slide by wavong 
lha _ as rapidly u __ per.,.,-uIaIlhfough lhe aerosol 
cloud at • dislance 01 25 .... horn the poin 01 discharge. The slide 
velocity may t. incr.ased by anaching it 10 • 3 or 4 loot sitek by 
me.ns oil spring _ clip. AI .... 11wO _ should be OIOPOSod 10 
insure an adequate sample. Store stides in a light slide bcJ:,( lor 
transMr 10 a Ioation where measurements can t. made. 
Avoid PCeSlive heal during transit and store in a cool place until 
mlasuremlnts can be made. 
Although label speclficabons require the aerosol nozzle 10 be angted 
upward at 45° or more during operalton, it is mar. convenient 10 
posilKM"lthe nozzle paraHello lhe ground lor droplet sampling. II ttus 
is not possible it WI" be necessary to be positioned at a sutfictent 
helgtl1lO obtain a representative sample 01 the aerosol. 
3. Oltermtnatlon of MALATHION ULV-91 Oroplet Sizes 
A microscope With mechanICal sta~ and an eyepiece mlClometer .e 
used to determine the size of the Individual aer~ droplets. Prior to 
laking measurements. the diviSions of Ihi eyepiIce micrometer musl 
be caltbtaled inlo microns by means of a SI-va micrometer. In lhe 
example represented in Table 1. droplets were measured al 400 x 
magnification. AI thai megnllcation each dMsion of IhI eyepeecl was 
calibrated 10 equal 3.5 microns. 
AI "&51 200 droplets should be measured. UsuaHy this 15 easily 
accompltshed on one slide. An accurate method is 10 measure aU 
dropJelS thai pass through In. micromelet' scale as In. slide is moved 
'rom one I~e to the other by ustng the mechanical Slage. Measure­
ments should not be laken along thl margtnS of the sM:te. H is morl 
COOYef'ltll'll to measure in terms of lhe dMsions of the eyepiece 
mlCromeIIf and then convert these dMsions tnIo mICrons. 
The measurlments convened InlO mICronS must then be CCItI'Kted 
for thl amount of sprlad lhal occurred on IhI __ . The sprlad factor 
for sd,con-coalld slides tS 0.5. Theretorw. In Table , each chVIStOn of 
the rtePMtCI KIUaHy equals 1.75 fTMCrons (3.5 mICronS limes the 0.5 
sproed 1acI0<.) 
The spread factor !of TEFLON-coated shdes IS 0.69 The fOUOWtN) 
prOCedul'l' 1$ 91\'en IOf \ttlCone-coated slides. would be the same lor 
TEFLON-coated shdes once the yafue tor each eyepieCe dMStOfl has 
been determined. 
The measurements are tabulaled and p'oces.sed as In Table 1 The 
MaXimum Diameter 1$ c.llculaled by converltng lhe diameter of the 
largest droplel measured Into mtCrons. In Table 1. Ihe largesl droplet 
measured had a <Stamel ... 01 19 eyePIece diVISIOnS Therefore. Ihe 
Ma,umum OIameter IS 33 3 mlCtons(19 l( t 1Se«1Uals 333) 
To detennU'le lhe Mass Met1lan Diameter IMMD). Ihe an umulahve 
Plrcentages from the 10151 cOlumn In Tabtl 1 are plotted aq~n51 It\e 
eyl!lPIICe dMSIOf"S to, on sem"loqafllhmtc paper as '" Figure 1 
Ottectty across 'rom the 50 percenl pot"1 on lhe line IS Ihe me<han 
J 
droplet size In eyePiKe drviSlOns which must be converled 10 mIG-
rons. In Figura 1.9.2 eyepteel dNlwns times thl conversIOn factor 01 
1.7S equals a Mass Median Diameter 0116. 1 microns. 
T ..... , 
Representative COlInl 01 MALATHION ULV-91 AerOSOl Droplets Im-
pinged on Microscope Slides Coaled Wtlh DRI-fllM 
Eyepiece Numberot .... OITo1aI Accumula-
Divisions Dr_IS DxN live Per· 
(D)' (N) DxN l:(O",NI cent!2!S 
1 5 5 0.31 0.31 
2 10 20 1.22 1.53 
3 9 27 1.65 3.111 
4 12 .." 2.93 &.11 
5 15 75 4.511 10.69 
6 12 72 4.40 15.09 
7 25 175 10.70 25.79 
8 14 112 6.115 32.64 
9 28 2S2 15.40 "".04 
10 19 190 11.&1 59.65 
11 14 154 9.41 65.06 
12 10 120 7.33 76.39 
13 6 78 4.n 81.16 
14 4 56 3.42 84_511 
15 11 165 10.09 94.87 
16 2 32 1.96 96.63 
18 2 36 2.20 98.63 
19 I 19 1.16 99.99 
Total 199 1636 
·Measuremenb were lakin at 400 X magnification. Each eyepiece 
division equals 1.75 miCrOnS (3.5 microns limes lhe 0.5 spfead fac-
10<). 
Fig .... 1 
Percentage of biotal volume of aerosol samples below each stated 
droplet size (from Table 1). The Mass Medium Diameter is determined 
Irom the 50 percent point on the tine. The Mass Median Diameter 
(MMD) - 9.2dMsionSlltnlS 1.75 - 16.1 microns. 
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51J7 
BEST AVAILABLE COPt •

MALATHION ULV-91 
EPA REG. NO. 34704-203 
AGRICULTURAL USES 
OPERATING INSTRUCTIONS 
MALATHION ULV·91 is used uncWuled In specl3lly destgned 81fcraft Of 
ground equipment capabte of applying ultra lOw voklmes lor control 01 
the InseclS IndlCaled. Aerial applicalions are most effective when made 
at a boom hetghl of 5 .... and • sw .... wic:In of SO .... Apply only when 
weather conditKH'ls .r.'awrable. Wmd and nsinQ ail currents mlly cause 
undeSirable spray dnft aoo reduce msect control. 
Misl bIowefs and boom sprayers uttlizing. conIrolied H now to lactlttale 
panicle size and spray deposiIton m8y be used a. a vehlda speed 014 10 
'Omp/>. 
Mist blowers with. pump capable of producing up 10 40 psi ancl blowe, 
speeds of 2600 rpm are s.usfaclory. Use n.t fan nou~$. 8001 to 8002. 
place 30- no a ... biast Of rotary atomiZers intO the .., blasllhal product 
an efficient spray particle with. mass median diameter of 40 to 100 
microns. Swath widthS Shouk:I not excMC 30 teet. Apply only when 
weat ...... conditiOns afe lavorab&e. Wind and rising air currenlS may cause 
unclHirabie spray drift and rec1uC8 insect control. 
Boom sprayers with • filtered rotary air compressor •• ther PTO Of gas 
engine driven Of an ail pump capable of producing at least 12 psi are 
salislKIOfy. Use aw pressure on chemicallMks and an accurate meter· 
ing valve 10 assure II calebrated flow 01 the peSlictde. Att should be 
regulated with reliel valve and gauge tor proper air and liqUId ITlIxture. 
Pneumattc·type splay nozzles, as suggesIeCI by equipment manufac· 
turer, Shoutd be used tor spray partcles with mass median diameter 0130 
to 100 microns. Apply onty when weather conditions are favorable. Wmd 
and rising air currents may cause undesirable spray drill and reduCe 
insect control. 
Replat applications shoutd be made as necessary un&ess otherwise 
specified. 
IMPORTANT -Undiluled spfay dfopielSoi MAlATHION ULY·9' wol per. 
manently damao- automobile paint II accidental exposure dOes occur. 
theve!oMde should be washed~. 
ConsuM yow 5 ..... experiment stalian Of slate elClension S8MCe tor 
proper liming 01 sprays. 
This producI is hi9hly IOXic 10 ben oxpoud 10 _ Ir •• 'menl '" resi­
dun on crops. Protective tnlormation may be obtained lrom your Coop­
erative Agricuttural Ex.lension Service. 
F .... 0.,.10 """"1 
-
0..- ... -.... Coop C_'" ........ "-to 
...... AJtaIIa caterp.Mar • o day. Appty when 
tarI .. Ire small 
Wet..,n ~ SlrtpeCI 12 5 dayS. AOI)Iy _hen 
' .. "._m IarvM .,.Iarge or 
wMnlOll.-ge .. 
-
__ u.-
•• 5 -,s. Apply when 
.s.y ,,",,*-'UIft .. _lO_ 
SS-F. end when s0-
lS'" cJ IMwft: .now 
---......-... • 
0 .... __ 
twv. .. ImeII. 
,. S~""when 
tIMII "'1arV' 01 
wNnlok •• 
-Gr_ • 0 .... 
8_ GtawI • • ' .... c:..-lnfs..n. ... ' .... ..... 1-. ...an IMft 8Mde • 1 dly. 
............. U""-' Newy • ....cI GtetnClo ..... 1" 
II:~."'. 
--...,. , .... SUO 
blk-") 
8 __ ~nes 
8.-,.,,,_ 10 0 ... 
Che(rIM Crw,.,F,,,,,F"r 12·1, I dGot AWYby 
$fI'CI'cflonty U,. 
"'9*r ... ...., 
foNge IS """" or 
.... 1Of'I ....... 
M_ .... I~ 
.. 100I'I ....... 
-" 
- - - - -------------. 
• F .... Deys to H."",., 
..... Ounc •• .. ........... 
Coop C .... _ ........ C(HIIIfteftl' 
C_. 81Gckgtess Bugs S·12 o ay. 00 not eppty' 10 
PaSIl .... and Gr .. -. ckIv'tf In blOom 
-
Grass. Gress 
Hay 
Co," Adult Cotn Rootwotm • ....... 
Gtesshopperl • c....L ....... ... 
CotlonT AphIdS (Gr"" ~ and 14.16 
• 
Colton) 
801_ ,.12 Eerty 10 lNdMuon. 
12·16 .......... 
ar..- • 
F_ ... .-. ' ................. .'2 ---• r.twd Plan! Bugs • • ............ 
-"'II ............... T_ ... 
tFor use on COlton: 
MALATHION ULV·91 can be used alone as. a ULV concentrate spray or 
diluted in once-refined cononseed or vegetable oil suffICient to maU at 
least one quart of finished 5Pf1rY per acre. 
F .... o.relO ....... ' 
-
0..- ._ .... 
Coop CoM.-.o ....... C-ts 
Flu ",,"-. • ............... 
s.aon. 00 not ~ 
Wlttwl4S days of 
~ 00 not O'u. 
OflMdb.ge 
Gr ... Gr_ • ' ..... _m --
.'2 ' ..... _ .... "'11 
the btoOm staoe· 
Gr ..... EHKlgrUl Bugs .'2 o day. 
Gr_ 
c. ... lHf BMt .. . .. 
0... Certa!l'" &eel .. .... ' ..... Gr_ • ..... 
(-I ... - , ....... 
Reo ...- • • ' ..... ..- RaSllNtBug • ' ............ ...... -only ....... 
('--. _-..-.... 
-) 
--'" 
9f1M'in9111» . 
.... Gros.- • ' .... 
5.0_ Gr_ • 3 days of MrvfttlnQ 
-L .... Bugs 
--
.... ...., Bean SeM. • ' ..... Gr_ 
--
Grwn~ 
--
Gr_ • 0 .... 
---
7~.1OpI"1O 
1M YMd" food 
",-- or_. 
-
~LMI8Hdt ... ' ..... 
Gr,,-. • 
-
BellI .... Ihoppet" Ian wtId hOsI • 0 .... 
e""",,. -) 
...-
(\,'&.1111 .... 
- BIacIIgr .. 8ugII • '2 0 .... 
Gr_ 
.... eom.- Mull FItft end UoIquIIon 
" 
0 .... 
-"* ..... -...... 
OTHER AGRICULTURAL USES 
AlfaHa. Clover. Pasture and Range Grass. GtISS Ind Grass Hay. Grain 
Crops, Beans. Rce. Tom.,." and NonavncuHuraf Lands (wastNnd): 
Adul1mosQUi1OOS.nd _Apply MALATHION UlY·9' ., I" r ... 01210 
4 nuid OUl'W"es tor cootrot 01 aduft mosquitoes and al 6 10 IS nuid OUr1Cn 
per acre tor ;onIrof 01 adult "'" and mosquttoes. Repeatappkauonl a!t 
nec:nstry. On .. ,.tla. CIOwef, pasture .nd r .... grns. grass end grass 
hay. may IMt appIood on clay '" harwsl ... _. 00 "'" ~ 10 all" • 
and ctowr In bloom. 00 noI UN on seed ....... On gram crops, maM no 
appIIc.atlOn WfI'" 7 dayS of "*"'"' or tar. UN; on Io!om. within 5 dayS 
of hanesl or tor.,; on nee WIt'" 7 d8ys of h.!"¥H1; on beens .-.d 
BEST AVAILAILE COllI

MALATHION ULV-91 
EPA REG. NO. 34704·203 
tomatoes w,thtn 1 day 01 h~st. 
FOREST INSECTS 
Apply with aircrah equipped lor uhra )ow votum. apphcation. Make 
applical.on when • ., IS calm and lemp8fatw •• s below 68°F. 00 noIaliow 
spray 10 contact letns. hICkory, and maples as Nljury may r.sull. 00 not 
spray on ekns under extreme heal. drought and disease coneaions . 
..... _ "'-
'he eon....... per~ DIIKtkww 
~Fir _s-m 13 
----"" _ .. --
.. 1ft" MIl ...... 
-- --- • ----'-vM ... in 1he1hlrd 
and Iounh inIIII. 
- E_Pino_ 
10 
---
.,.tnthe ..... cw 
MCOnd inI&w Of 
beIor~~1/2 inch In • 50< __ 
10 -_ ...... .... _ ... ........ -. ......, Llf'CbC· ..... w • AQI)Ir 1ft IPfinO u 
.aon ........ tnM 
--... begirllwding on new 
-UndilulOd spray droplets 01 MALATHION ULV-91 concenllate.nsoc\oeide 
will pennanenlly damage aulOmObile painl unless these specirlC instruc­
tions for ground and aerial appaication are bUowed. See "Important 
Notice" and "Aeriat APP'iCation" sections allhe beginning of this leaflet. 
Atso tor use In accordance wilh the recommendations and instructions 
Issued by the Uniled States OepMtmenl 01 Agriculture lor quaranhne 
programs. To be used only by or under tne direction 01 FederaUSta1e 
personnel for quarantine Irealments. 
NOTICE 
PLATTE WARRANTS THAT THIS PRODUCT CONFORMS 10 THE 
CHEMICAL DESCRIPTION ON THE LABEL THEREOF AND IS REA­
SONABLY FIT FOR THE PURPOSES STATED ON SUCH LABEL ONLY 
WHEN USED IN ACCORDANCE WITH THE DIRECTIONS UNDER 
NORMAL USE CONDITIONS. IT IS IMPOSSIBLE 10 ELIMINATE ALL 
RISKS INHERENTLY ASSOCIATED WITH THE USE OF THIS PROD­
UCT. CROP INJURY. INEFFECTIVENESS. OR OTHER UNINTENDED 
CONSE~UENCES MAY RESULT BECAUSE OF SUCH FAClORS AS 
WEATHER CONDITIONS, PPESENCE OF OTHER MATERIALS, OR 
THE MANNER OF USE OR A, ·PLICATION. ALL OF WHICH ARE BE­
'roND THE CONTROL OF PlATTE. IN NO CASE SHALL PLATTE BE 
LIABLE FOR CONSEOUENTIAL. SPECIAL OR INDIRECT DAMAGES 
RESULTING FROM THE USE OR HANDLING OF THIS PRODUCT. ALL 
SUCH RISKS SHALL BE ASSUMED BY THE BUYER. 
EXCEPT AS EXPRESSLY PROVIDED HEREIN. PLATTE MAKES NO 
WARRANTIES. GUARANTEES. OR REPRESENTATIONS OF ANY 
KINO. EITHER EXPRESSED OR IMPLIED. OR BY USAGE OF TRADE. 
STATUTORY OR OTHERWISE. WITH REGARD 10 THE PRODUCT 
SOLO. INCLUDING. BUT NOT LIMITED 10. MERCHANTABILITY. FIT­
NESS FOR A PARTICULAR PURPOSE. USE OR ELIGIBILITY OF THE 
PRODUCT FOR ANY PARTICULAR TRADE USAGE. 
FORMULATED FOR 
PLATTE CHEMICAL CO. 
150 SO. MAIN STREET FREMONT. ~EBllASKA "025-5191 
BEST AVAILABLE CO ... • 
5