Document YG0o4EBQqr60KdbK7p28eOYMN

AR226-2017 AIR MONITORING FOR WORKER EXPOSURE TO C-8 WASHINGTON WORKS TEN JOB ASSIGNMENTS MERE MONITORED (82 PERSONNEL SAMPLES) IN 1991. ALL JOBS WERE FOUND TO BE IN FULL COMPLIANCE WITH AEL. THE HIGHEST VALUE WAS 40% OF THE AEL AND ONLY 8 (10%) WERE BETWEEN 20 AND 40% OF AEL. DORDRECHT AIR MONITORING PERFORMED IN 1991 (7 SAMPLES) SHOWED ONE RESULT AT 84% OF AEL AND 2 AT 50% OF AEL. REMAINING 4 WERE '"NON-DETECT". SHIMIZU AIR MONITORING PERFORMED IN 1987 SHOWED ABOVE AEL WORKER EXPOSURE IN FINE POWDER DRIER ROOM. ALL OTHER ASSIGNMENTS WERE BELOW RESAMPLING AFTER INSTALLATION OF NEW ROOM EXHAUST SYSTEM, AEL. DRIER DUCT MAINTENANCE TO DECREASE LEAKAGE, AND ADJUSTMENT OF DRIER OPERATING MPROENSITSOURRECS-8HOIWNEDPEINXEPOSPOURWEDETRODBREIERLESASRETAHAANNDH"AELSFTIOMFATAEE"L' . CONTINUE TO NO PERSONNEL EXPOSURE PROBLEM. C:SLQ 1/2/92 EID079266 WASHINGTON WORKS ^EFLO^r AREA EMPLOYEE BLOOD LEVELS PERIOD 1984-86 1987-88 1989 1990 1991 POPULATION 108 58 41 21 3 <=1PPH (1;) 67 50 59 90 N/A <=5PPH (%) 92 90 83 100 N/A C:SLG 1/2/92 EID07&267 LIVER STUOY OF WASHINGTON WORKS EMPLOYEES EXPOSEP^Q 08,1/15/81 OBJECTIVE: DETERMINE IF OCCUPATIONAL EXPOSURE TO C-8 ADVERSELY AFFECTS LIVER FUNCTION AS MEASURED BY BLOOD LEVELS OF SCOT, LDH, AP, AND BILIRIBIN. COHORT: <88) "TEFLON" AREA EMPLOYEES IN ONE OF FIVE JOB ASSIGNMENTS TESTED IN 1979 FOR BLOOD FLUORIDE. CONTROL: m OF ALL MM EMPLOYEES WHO HAD NEVER WORKED "TEFLON". RESULTS: BLOOD FLUORIDE IN COHORT 16 HIGHEST (TOP 20%) RANGED FROM 5-21 PPM (AVERAGE 10 PPM). CONCLUSION: 1. NO EVIDENCE OF OCCUPATIONALLY RELATED HEALTH PROBLEMS AMONG WORKERS EXPOSED TO C-8. 2. FEP WORKER AP LEVELS MAY HAVE RISEN FOLLOWING C-8 EXPOSURE. 3. NO SIGNIFICANT CHANGE IN TFE EMPLOYEE SCOT, LDH, AP, OR BILIRIBIN LEVELS FOLLOWING C8 EXPOSURE. PROPOSED STUDY UPDATE ESTIMATED COST: $45,000 ESTIMATED COMPLETION: FIRST HALF, 1992 REVIEWED WITH KARRH AND LIGO, 10/4, DECIDED NOT TO PURSUE C:SLG 1/2/92 EID079268