The driving force is concern over lead in Municipal Solid Waste incinerator ash.

In this study the challenge aerosols contained lead dust and/or lead fume.

Color Weigh Compounder 279,4 Micrograms Lead/MJ Employee overexposed while performing his routine color weigh room duties.

As to past surveys for lead.

Accordingly, I request that you determine to what extent the data on blood lead subject residence or sampling location can be provided to us along with the other data you already have provided.

Chemical VCM Lead Total Particulates < PEL No. t 86 89.6 4 80.0 4 100.0 > PEL (OVEREXPOSURES) NO. % 10 10.4 1 20.0 0 0.0 OVEREXPOSURES Job Class Color Weigh Compounder Reactor Operator Reactor Operator Vinyl Lead Operator Exposure Source 95.2*, Micrograms Employee did routine job of Lead/m3 color weighup, including Hal base 100EP and Cyastab 988. 1.2* ppm, VCM 1.4* ppm, VCM Employee overexposed while changing VCM filter pack filters in the old unit.

Receiving Lead 5.

The driving force is concern over lead in Municipal Solid Waste incinerator ash.

Lead Operator 4.8* ppm, VCM Employee overexposed while pumping "pond" resin.

In 1971 so- called " lead " pencils were found to have as much as 12.5 percent lead on their painted surfaces (and, of course, none in their graphite " leads ").

Legendre- Ponca City December, 1982 January 10. 1983 ALL SAMPLE RESULTS: Chemical VCM Lead Antimony Total Particulates < PEL No

Leads by example.

OVERMAN, PROCESS MANAGER, CAT CRACKING & GAS DEER PARK MANUFACTURING COMPLEX SUBJECT: MONITORING RESULTS FOR INORGANIC LEAD AND HEXAVALENT CHROMIUM DURING ABRASIVE BLASTING AT CC&G Attached are updated industrial hygiene monitoring results for total dust, inorganic lead and hexavalent chromium which were collected downwind of abrasive blasting at Cat Cracking & Gas.

T" knowledge of what we made there, or of the nature of our lead exposures.

T" knowledge of what we made there, or of the nature of our lead exposures.