i n o t h e r t r a c e metals. Erythrocyte protoporphyrin c o n c e n t r a t i o n i s twice normal i n t h e cord and neonate samples, w i t h no c o r r e l a t i o n t o lowered serum i r o n . Mean blood l e a d c o n c e n t r a t i o n s a r e lower i n maternal, cord, and neonate samples from Columbus than i n t h e same samples from Boston and New Bedford, Mass.Mother Cord Blood I n f a n t N Pb EP

The Ohio S t a t e u n i v e r s i t y CollegeofMedicine, Children'sHospital, Columbus, OH.5.5% of pregnant women (309) enrolled during the 2nd trimester i n a longitudinal study determining e f f e c t s of maternal n u t r i t i o n and environmental factors on the i n f a n t ' s subsequent growth and development were i r o n deficient(<42mg%; %Sat (16%) despite receiving adequate prenatal care, including prophylactic iron. Women whose Fe s t a t u s was deficient during the 3rd trimester were compared with women with adequate Fe s t a t u s (serum Fe >140mg%; XSat >303 --Mothers d x~e 'P X%Sat P X Hb P XHct P:: 3148' 44 .OO.l .001 :::: .05 :;:: N.S.At b i r t h , infants'wts, APGAR scores, gestational ages, Hb and Hct were s i m i l a r i r r e s p e c t i v e of t h e i r motherfsFe s t a t u s . At6mos of age, 7 3 % o f i n f a n t s of FedefmotherswereFedef (%Sat

A multi-purpose sampling pump, designed and constructed to allow sampling of both air and dust for lead content, offers a versatile and inexpensive solution to more general problems in environmental sampling. The pump samples a medium volume (~7 L/min or 10 m3/day) with good accuracy and

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