Document 5bQZ8XpRka8vg6N3xwgeEk6rR

TO: S. S. MICHELS FROM: C. H. HORRELL DATE: March 30, 1977 VCM MONITORING SUMMARY - MONTH OF FEBRUARY Total number of VCM samples--------------------------------------------------------------------------------------Number of required personnel samples --------------------------------------------------------------------- 562 484 Dual tubes to check flasher tube for breakthrough------------------------------------------- 25 Percent exceeding the 20% criteria------------------------------------------------------------------------- ------------8 Percent to some degree less than 20%--------------------------------------------------------------------- 16 Percent showing no breakthrough at all----------------------------------------------------------------- 76 Gas chromatograph check using a standard gas Allowable limit 1 PPM using a standard gas of approx. 5 PPM Buildings 1 111 121 LPA Tank Farm Number of tests Number within limit Number exceeding the limit 28 28 27 9 27 22 24 4 1 6 35 14 12 2 Gas chromatograph operating time: Buildings 1 111 121 LPA Tank Farm Percent of time in operation Percent down due to malfunction Percent down due to calibration 99.7% 0 0.3 96.7 3.0 0.3 98.0 1.8 0.2 83.7 ^16.3 100.0 0 Buildings 1 111 121 LPA Tank Farm Number of leaks detected & tagged Number repaired & tag returned Number outstanding at end of month 38 34 4 55 50 5 Status of specific point leak testing Building 1 Completed 111 80% Completed 115 40% Completed 121 60% Completed 92 9 2 94 5 0 --4 2 127 60% Completed LPA None Tank Farm None Three highest Personnel Monitoring job classification by buildings: Building 1 Job Class 1. HRC Helper No. of Samples 16 2. HRC/IIPC Operator 3. Recovery/Dryer Oper. __ 7_ 12 Avg. VCM 3.80 3.29 1.16 Building 111 Job Class. 1. Day HelperNo. of Samples______________ 3^ 2. Utility Operator 5 3. Recovery (Trans.) Oper. 4 Avg. VC-1 2.33 1.83 1.93 BFG66041 VCL MONITORING SUMMARY - MONTH OF FEBRUARY -9 _ BuildinK 121 Job Class 1. Day Helper No. of Samples 2. HRC Paste/Latex Oper. 3. Paste Che. Operator 2 5 5 A irrr * r? VCM 4.70 3.69 3.66 LPA Job Class 1. Pipefitter No. of Samples [10 2. Day Foreman (Tech.) 2 3. Field Operator 1 Avg. VCM 5.37 1.81 1.45 Off-Site ambient air sample results: Sample Location Minimum Maximum Averag e No. Samples 1. In front of Building 101 2. Resident 2103 So. 40th St. 3. Church 3705 Bells Lane 4. Resident 3613 Camp Ground Road 5. Wood Products Plant 1917 S. 40th St. .00 .37 t it .* .00 .69** .00 .02 .00 .09 Overall Average .105 .08 .003 .023 .070 6 -- 7 7 9 29 *Timer control failed **Could not find cause for this result OVERALL AVERAGE OF OFF-SITE AMBIENT AIR SAMPLE RESULTS BFG66042 cre .wa QO-z' 7 L5. c. a< <<E3 I 2u 13 d -t n 2 1977 BFG66043 10 ii j 12 .i 3 ;2 =1 j 5 'm f \ .-f.T V, {' & [UARI,,_ LARGE POLY AREA 1977 AREA MONITOR TREND O O' o o o o o O oo vo in m <s --< [ BFG66048 T : V----------------------------------- ! 3HII JO IKSOaSJ oo ' ::o L b JANUARY c to IV 2 0 FEBRUARY & 10 1& 2 0 2 b MARCH _________ ii IQ 1b a o 5 APRIL I y IO lb -:o ib I MAY_____________ i j!) 1u JUKE