Document byV6L45ZoRazgE7vdaReY74xZ

'ftmiii" fiati~f i g>i h h i '^irihi in wr i i iiiTirTitfairWiiliffiM bW si. i^yrBMiiiSiwaifr -jpUrr ir LEAD INDUSTRIES ASSOCIATION, INC >iiO> NKW TOM IT, M. Y. LE1D OtMMm TW WJ/> W1WC PATH* Matthew Broterlck Bolvay Prooeea Division Allied Qxrtal Oorporwtlom Syracuse, Me* fork i As a manufacturer of basic chrcmitai ehsmleals, and o major rngipHor of these chemicals to th pigeerrt inAutry, the Solr*y Process Division of Allied Chemical Corporation has, for mm tlM, been aware of the gsaenl o mc * decline la that series of plgpents consisting principally of load chromate. According bo Bureau of Census figures, tecrseae la protection of the load chromei (Chrooa fallows) Airing the period froo 1955 to I960 Mounted to 6000 net tons of pipaent. This repre sente a market lose equivalent to More than 3600 tons of lead and 2700 tons of eodloa dtuhro--ts. Although a matear of factors hanrs jointly contributed to tha reduction la u m of the lead chromes, probebly two are outetaadlagi first, the low alkali rsslstaaos of thees pigment* la s rapidly expanding alkijina latex paint market i second, ever increaaij^ legislation against tbs ess of leaA-bearing plpMnts la trads oalss paints. 1 In tine, and with ocr alterable research effort to offeet these tad ether detriments, a portion of this lost market may be regained. There tees exist, however, an iMadUle, potentially large, nl virtually unexplored outlet for lead chrome plgeect* la tha field of yellow traffic paints. YrJlfW V9, W333 lbs ass of yellow to denote "caution* is practically mlvereel, and traffic oontrol Is no sxce^.lcn. It Is Indeed this psychological ooroctation which has been largely responsible for the use of yellow traffle markings la the past, and It will continue to be a major factor la the future, this property belongs to the yellow color only, and ornmot be Aupllcatad with Write merklr**. f Presented at the 34th Anrsral Meeting, Lead Industries Aeeoclatlen, Zao, t St. Louis, Mo. April U-12, 1962 f I fc f .i pi> sun i s j u .'.j iw Matthew Brodsrlok Lead Chroowl# la Tallow traffio Paint* An squally l^rUnt but laaa obvious factor la traffle marking la visibility. Acoording to a rsoent report by an lndepewfent raaaareh gioup iieb tested driver reaction to both yellow nd whlta meriting* In tha State of Pennsylvanis, yellow traffic markings war* foimd to b# froa J5 to 50 peroent Bora visible than vfcits wider all waathar conditions. ssjamumssa. Obviously, tha uaa of yellow traffle maridngo la act bo m. Moat States have in tha past and presently continue to uaa yellow markings for special areas, Including approaches to road obstructions, railroad croaslags, and "no-parking" senes. Sena Stataa employ solid yallow eater linaa, usually la conjunction with whits Barkings, for hio-passing" araas* Sot tntU reoently, however, was tbs ehoios of yallow Barkings In a standard system anything but optional. to 19&1 a new Manual on tfclfom Traffle Control Devices was adopted by tbs Joist Ccmnitt* on Straat and Highway Safety. Tbs Joint Committee Is ooeprisad of both Stats and Federal highway officials and traffic engineers. Acoording to tha Kmiual, yellow is now praacrlbad for "no-paaaing* barrisr Unas, for double canter lines on four-lane undivided pavements, and for onto painting in araas Wier* parking la prohibited. All 50 States are asserted to oonforB to this new standard. In tarns of tha increased market for lead chroaste aseodatad with tha new Barking practloe, total lead consumption should advenes by about 1500 tons, and eodlim dlchroosts by approxijMbely 1000 tons annually, with little or no promotional effort on the part of either lead or chrcmiwe chemical produoers. graaijgaaaga The increased aa^hasis on yellow barrier and curb Barkings as prescribed by the new Manual does not and tha potential for lead chromite In tha traffic paint market. Still to bo considered is tbs entirely bo w conoejt of highway sdgallnlrg. Edgelining (or edgmwridng) had Its beginning leas that 10 years ays in tha State of Connecticut. There, urdsr the aueploes of the Dorr Foundation and the Connecticut State Highway Department, a few test edge lines were Installed In 1953* The purpose of the progrem wee to determine the effectiveness of these lines In reducing traffic accidents and fatalities on today's high speed roads. Acceptance of the edgeline, on the part of motorist mid highway engineer alike, can best be described by noting Its phenomenal growth from a few test lines In 1953 to over 100,000 Miles of road at the present tlae. This practloe alone acooxstts for a present mutual pair* market of about 3-1/2 gallons, and shows every indication of oontlnued growth. As was trus of conventional barrisr markings, tbs eenospt of yellow dgemarking la not altogether new. A msber of States have, la the past. IMP 'Ol .V LIA1561? Matthew Intalek -3- lead Chronete 1b Tallow traffic ytlst ml elld yellow edgelines to Murk the breakdown lanes on Major traffic ertaries. At least two 8tates, Connecticut and Utah, wd yellow edgellnes m a natter of policy and raalotad the change fron yellow to the now standard idtlta 11m, contamUna tha yellow iaa both nora effective and rialhle. In tha Intarast of national talforedty, however, tbaaa States had no alternative but to convert to white aa specified In tha proaant Oblfom Manoal on trafflo Control Devloes. I The only arguMnt against /allow sdgallnlag iddeh baa baan Voloed to data la this -- Aeoordlng to aeoejded Marielng practice, a aolld yallow Una on tha Motorist's alda of tha road cam* la{ally ba crossed. Since edgelines art aaaantlally a fulda, and do not aaoaaaarlly Indlesta that a driver cm> not legally croaa than to roach tha road should^, tha b m of aolld yallow adgallnaa would ba both oontreUctory and confusing to drivers. In raply to this argwant, wa would Ilka to propoas an entirely now narking concept - that of tha dashed wiw Tha daahad yallow edgeline would incorporate all of tha edrstAagea aaaociatad with yallow Markings, Including visibility and safsty features, but would not conflict with established narking standards. By its vary nature, a daahad yallow edgeline would lqply that it could ba croaaad with caution. Aa an added bonus, tha use of a ifeahad line. Instead of a aolld .5i llna, could radios paint eost by aa Mich as (30 par alia, depending on line length m>4 spacing. Based on peasant aarkii^ practlca, tba annual Market potential for lead chronate In daahad edgaawrklng la In tha order of 4500 tone. This quantity of pliant represents nearly 3000 tons of load and 2000 tons of eodiva djehrmata annually. Since obtaining this Market would benefit both lead and chrwrtf chadcal producers. It appears that a Mutual effort is In order. It Me Indeed with thle thought In Mind that ws first oontactad Mr. Zlegfeld aid Mr. Borcine of your AasocialIon. Wa ware happy to find that LXA mi also working along these linas and was noet snttml astlo about this milloation. Tha aatiMatad potential Market for 4500 tons of lead and 3000 tons of Mdlun dlchronata annually In yellow trafflo painta carat be everlookedj and we trust that our efforts In prcaotlng this application will bo rewarded la years to ooas by alininoting the need to 'Sender where tha yellow went". WEMWMIW'WMa-:!1' isimis.eii mmmmm