Document 10BZkJG3R59RyNajwqQa9Z245

VJ % JLw q <1 fctaslirf3 Assoda^caaiiSnol^ aa MAOItON AVCNUK XXW TORS. X. T. 10017 MU COM til --r*'- V/f//U* Infomal Hooting of Permjrolvonia Keober* and LIA'o Ccanltteo on Health end Siftljr Bow York, Bow York Doecaber 9, X966 The following ~er#oca ver-e preaent at- an lnfornal aeetlnj of tho Ponnoylvanla Mabora and tho Health and Safety Conlttoo of tho Load Znduotrioo Aooooiatioai Znuni J. Boro P Copporalth 0.. Di0 H. Hootolborg V. )Una V. Paliie# J* Snrlck J* Snyder A. Spits C. Welch D. tiejler 52nmil" Boro A Caepeny Xatlonal toed Corpony E.I. d-j Pont do Xooouro A Coapany Ethyl Corporation Rational Load Coapany Electric Storage Battery Ccepeny St. Joeepb Load Coepeny Electric Storo<o Battery Caopony Boro A Coopany B.Z. d-a Pont do Xcaowr* A Caopony CAB Batter!ee liilX J.L. Elsberley, Executive Vice Prooldont fc> D.X. Borcir.*, Secretory and 7renrer D.O. Povlcr. Birector, Health end Safety J.C. fto'jaee, Aaeiotent Birector, Health and Safety Yr. Kiohorlor carved ae Chatman. The p-irpo*e of thlo aaelln< k to dlocuee tho co-tree of action to ha taken try the LIA ard lit Ponr.eylvania oerv-ere aa a reeilt of lha acceptance for public hearing by tha Pennarlvanle Air Pollution Control Comioeion of an asC>iont air quality criterion for lead of ) aicroerane per cubic etaf of air averaged over a >>-dar period. IHli thia la a rannc-lvanla oil-nation or tho p recent, It to pooaiblo that whatever happen* in Penni/lvoni* could cot * precedent for action An other etalee. / ____ -1* rty:7^F-*i* goBjBa.aoe. ,.;i|wy.y Tho Coanittoo rerievod * statement prepared by tho Ponntjrlvania Air Pollution Control Comioalon on tho reasons for tho establishment of a Budsua of 5 Blcrogramm of load por cubic actor of air averaged orer 30 days pointing out that It io based on published works of Dr. Xehoe and hi* statement before tho Huelde Coanittee Hearings last mmt . Tho atatenent In oooonoo report# that Dr. Kohoo stated that a total of 0.5 mg/day of load can bo ingested regularly without any riax, to Ion* aa thoro is no signifi cant lneroaao In tho Intake of load froa tho atmosphere. Soeetdtat look than 10 porcont of that ingested (swallowed) and aooo^vat loot than JO pore act of that lnhalod la absorbed. Daln^ thoko and othar figures tootlflod to by Dr. Xahoo.tho Comi salon apparently calculatad that about 0.08 mg Pb/day can bo abaorbod without harm, aa abown bolovt 0.5 eg rb/day can bo ingested 1C9C of Ingested Pb can bo abaorbod - 0.0$ eg Pb/day abaorbod froa atnoaphoro - 0.03 mg Pb/day abaorbod . 'o , Total - 0.08 eg Pb/day abaorbod ^ Since tho aoan dally (quantity of load Ingested with food and drink la opprojd.n*toly 0.3 ng/dsy, tho average amount of load absorbed froa Ingestion la about 0.03 eg/day. Tr.ia leaves about 0.05 n.*/<Ur permissible absorption froa tho air to roach tho total allowable absorbed dose of 0.08 eg Pb/day. froa food and drink - 0.03 mg Pb/day abaorbod SOi of Pb lnhalod la abaorbod - 0.05 *g Pb/day abaorbod Total - -0.08 mg Pb/day abaorbod Tho proposed Pennsylvania otandard la batod on tho aboro JOJf abaorptloo figure (resulting in a figure of .1 mg Pb/day lnhalod) and a daily reaplrstlea raU of 20 as follows! 20 )P/day - broathoo ___- 0.005 kg 20 xVday Pb/*3 or . 5 Ag Pb/m3 It w* noted that Dr. Kohoa fool* that tho rate of 20 kVday la too high, it* Ui used 15 :*V>iV aa tha rata for tha average working aan. It was also noted U-.tl Dr. Kehoe has atatod that hia auteoent of 'loaa than SQf abaorbod* doesn't really moan absorb*! but moans tho amount soalng out of tho body aa oemparod to """ a amount going in. ivXf.^ h-.-.-?:: ' V- a***-. .1 * . / Dr. Diggs reported on the finding* of research by du Pont which showed the following total inspired figures, with a saxlnua of approximately 1$ H^/day (the** ars total flguroo u opposed to rate)i ] &&> Total Aaount - A$ to 7 M^/dap depending on dogroo of activity 38*221 2 - 2$ xtyday ^ Qthon 2$ - 5 H^/day for regaining 8 hours following discussion, It was tho concensus of tho group that It would bo tfeairebl* to havot * 1 Dr. Xehoo appear before the Pennsylvania Air Pollution Cocciatlon to refute if poaolblo tho sethod uood to calculate tho propoaod orltorla for load. 2. All load companies In Pennsylvania should bo proaont at tho hearing*, and If la agreement should indicate support for Dr. Xahoe at tho hearing. 3. A subccoxlttee comprised of Kosaro. Heeaelberg, Diggs ft fowler should discuss tho problaa In advsneo with Dr. Xehoe and report bock through tho LXA. A. Dr. Xshoe, In advance of tho hearing*, should hove infomal discussion* with Xr. Susasan, Dr. Brandt, ft Dr. Schronk. Zt was suggested that ho epproeeh Xr. flueinan first and arrange for an Informal sooting with all three. JCS/jV Jut** C. Rouses * i ii a.ji ........ ................ . k i M B l A l t t i . t -!,vaw;. Win 'wppp -lit*.. '411 ^ijSWlWUUli