Document 060Q43eoqVZGyn0k04q1LJLZm

B.F. Goodrich Chemical Company Inter-Organization Correspondence To R. W. Modrell Location Akron Date From July 20, 1972 W. T. Gunning Subject Vinyl Chloride Samples Please analize the Vinyl Chloride concentrations in the four vacutainer samples. The samples were taken on Monday July 17 when a poly cleaner was preparing a 3300 gallon poly #154 in B/461 for hydraulic reactor cleaning. All samples were taken just inside the manhole. Sample #1 Taken immediately after the manhead was opened. The evacuation hose had not yet been inserted. Sample #2 Taken immediately after insertion of the evacuation hose. Sample #3 Taken two (2) minutes after evacuation hose was in the poly. Poly cleaner had reached inside the poly and was using a water hose to wash down poly walls. Sample #4 Taken five (5) minutes after the evacuation hose was inserted. The poly cleaner had completed washing down the poly walls with the water hose. Note: Prior to opening the poly, it had been evacuated to 18 inches of vacuum per instrument chart reading. a*. O & WTG/alra JPr7. W. T. Gunning Sr. Safety Engineer bFG46424 V. T. Gunning B. W. Modroll Avon Lake General Chemical Float Dept. 0020, Bldg. 5-H 7/26/72 Tho following, for the record, ere result* on the Vinyl Chloride enelyses of the four samples you sent on 7/20/72: Semple #1 38 ppm Sample #2 49 ppm Sample #3 49 ppm Sample #4 61 ppm All of these, of course, ere very low end 1 see no personnel exposure problem with eny of theme It is surprising that #1 wes not consider ably higher then the 38 ppm. R. V. Modrell ten 26106002 BFG46425 Sample Dieriptlft CtMrti Ataoipbir* Vtt Side Swthwit eontr, mat Poly 146. CuUr, mat Poly 106. Nortbioit corner, aur Poly 139* Sant Sldo North nd, mat Poly 151. Cantor, noor Poly 119. Sooth and, noor Poly 135 (Poly bolog opoaod). Poly 135 opoaod. Sample aoar open manhole. Vinyl* Chloride Concentration w <1. < 1. 3. 16. *1. 41. 660. Poly 154 Poly ha d boon hydro cleaned and exhausted for 25 alantes. Voter charge started; sample jut inside manhole. Voter at midpoint; sample Just Inside manhole. Voter at midpoint; sample just outside manhole. Voter charging completed; sample jtst inside manhole Veter charging completed; sample Just outside manhole. 340. 360. 22. 99. 6. 26106003 BFG46426 W. T. Gunning R. W. Modrell Dept. 0020 - Bldg. 5-H July 14, 1972 Following, are results of the organic tin and vinyl ehlorlde measureneats undertaken at ALGCF on June 29, 1972. Two atmospheric samples were collected along the Ho. 1 Banbury line during processing of compound 85134 Black 288. This compound con* talas approximately 11 dibutyl tin dlLauryl mercaptlde (20). One sample (5.5 minutes} 147 liters) was collected over the dump mill rolls directly In the visible fume. The atmospheric tin concentration at this point was found to be less than 0.06 mg/n3. A second atmospheric sample (10 minutes; 281 liters) was collected at the strip mill. In the mill operator's breathing zone. The atmospheric tin concentration Indicated by this sample, was less than 0.04 mg/m3. Neither sample gave a positive test for tin and the concentrations reported above are only for showing the sensitivity limitation of the method. The recommended TLV for orgenotin Is 0.1 mg/m^ and the atmospheric con centrations found during this run were well below this limit. No inhalation health hazard from orgenotin existed at the time these samples were obtained. You will recall, at the time of my visit, we discussed the apparent inadequacy of regular chemical cartridge respirators la providing relief from fume and odor generated by this compound. If employee complaints of Irritation continue, during the processing of this compound, X would suggest you give a trial evaluation to MSA Custom Comfo Aerosal Filter Respirator with either an "SM or "H" filter cartridge. The MSA catalogue numbers are 10-86431 ("S" filter) and 10-86432 ("H" filter). The attached Table presents results of the vinyl chloride sampling, performed on the third floor of Building 461 (Poly charging area). General atmospheric concentrations of vinyl chloride were found to be very low < * 1 to 16 ppm). Significant amounts of vinyl chloride were detected In the vicinity of Poly 135 during, and Immediately after, the Poly was opened. This Is believed to be only s transient condition but emphasizes the need for promptly exhausting Polys as soon as they are opened. The special study of Poly 154 (bottom half of Table) was conducted to determine vinyl chloride concentrations in the manhole region dur ing water charging of the Poly. Although the initial samples taken inside the manhole show significant amounts of vinyl chloride (340 ppm;360 ppm), the concentrations are below the current TLV celling 26107001 BFG46427 -2- of 500 ppa. Suplta taken outiid* tha aaabola ara wll balov tha 500 ppaa Halt* bpoaura conditions at this operation piaaant ao slgnifleant risk to panoonal. Hoaarar, It Is anticipated that tho current racoaaadad axpoaora limit of 500 ppa vlll shortly bo losarad to 200 pps, In vhlch cam , it Is llkoly that tho vinyl chloride eoncootrot Ions prevailing la tho manhole region vlll bo regarded as exceeding the TLV. tan cc: V* . McCormick R. V. Modrell 26107002 V BFG46428 B* Byltadi Avon Lake E. B. tttfwwyir, Jr* Dmpt* 0020 * Bills* 3-H Personal Kooltorlas Vinyl Chloride 11/9/73 Air waplUs to evaluate employes xpom to vinyl chloride u con ducted at the Avon late General fhsiricnl Plant on October 10, 1973* Serial air samples, employing the um of eoamerclal Oflae Safety Appliancea Co.) charcoal adtorptloa tabes earn collected in the breathing rones of tvo operator classes In building 451* These tubas tare returusd to the Laboratory and vere subsequently analysed for vinyl chloride by Ges Chromotograpby. Calculated time weighted averages (TWA) for vinyl chloride, as measured during a four hour stapling ran, vere 26*6 ppm VC1 for tbs job of Change Operator (Table I) and 32*6 ppm VC1 for the Job of Poly Helper (Table II). These results are below the time weighted average goal of 50 ppm. Table XZX baa been prepared to show concentrations of vinyl chloride on the third floor of building 451, as measured by the Bendin process analyser, during the period that the charcoal samples sere collected. Additional eanpllng, utilising the charcoal adsorption technique, will be necessary in order to thoroughly evaluate the efficiency of this sample system. The currant results are rsgnrderi as preliminary in nature end are reported to thus the progress being made. tea cc: W. Gunning 2. V* Barrington B. K. G. Zwicfeer E. B* Kstzmneyer, Jr* WCB JWB "VJ yrf. JO< i G-' XJZ3Y * _/ !: J) i i ______ 26108001 BFG46429 Sample A 2 4 6 8 12 17 Table I Job of Charge Operator; Results of Personal Monitoring for VC1 from 10:39 a.m. to 2:40 p.m. on October 10, 1973 Sample Collection Time Minutes Comments Concentration. VC1 ppm 21 7 min. spent on 2nd floor; 19.4 balance on 3rd (control room & operating floor) 24 5 min. 2nd floor to start pre- 18.6 mix poly #5 57 Isolated & turned on steam poly 25.5 #5; 5 min. on 2nd floor to start charge to poly #6 28 5 min. on 1st floor at VC1 cir- 20.2 culating pumps; 5 min. on 2nd floor to start charge poly #17; 31 Isolate poly #17 & turn on steam 24.6 3rd floor; 49 5 min. on 2nd floor to start 43.1 charges polys 19 & 45; 6 min. on 3rd floor to isolate & turn on steam polys 19 & 45; 5 min. on 2nd floor to start charge poly #32 31 All time spent on 34d floor 21.5 26108002 Calculated TWA for 4 hour exposure 26.6 BFG46430 Sample B 3 5 7 9 10 11 13 14 15 Table II Job of Poly Cleaner Helper; Results of Personal Monitoring for VC1 from 10:28 to 2:35 p.m. on October 10, 1973 Sample Collection Time Minutes Concentraion VC1 ppm 30 Time spent on 3rd floor closing 23.8 poly 19 after HRC clean; 67 Time on 3rd floor opening polys 19.3 31, 32, 45 includes 20 min. break in smoke shack; 27 Set up to HRC poly #45 3rd floor 27.0 14 Set up to enter & clean poly 32; 43.2 last 5 min. spent inside Poly (OVA 70-100 ppm VCl at poly man- head) 5 Walking inside poly 32 (OVA 70-150 52.1 ppm); 11 Walking inside poly 32; sampling 66.0 stopped when man came out of poly 25 Removed HRC unit from poly #31 and 58.9 prepared to enter for hard cleaning OVA - 1.0% VCl at manhead when HRC removed; 13 7 min. of time spent inside poly #31 101.8 OVA 100 ppm VCl at manhead; 10 Working inside poly #31 for 7 min. 36.3 OVA = 100-125 ppm VCl at manhead; 39 Prepared poly #31 for filling - 9 9.8 min. Balance of time spent on break in smoke shack; Calculated TWA for 4 hour exposure 32.6 COOSOT92 BFG46431 Table III Average Concentrations Vinyl Chloride as Recorded by Bendix Process Analyser 10/10/73; 10:30 a.m. to 2:40 p.m. Time Concentration VC1 ddhi 10:30 a.m, 11:00-12:00 (Noon) 12:00- 1:00 p.m. 1:00- 2:00 p.m. 2:00- 3:00 p.m. 75 itQ 100 150 140 Average Concentration for 8 Hr. shift* 123 Sampling pro^e located in southwest corner 3rd floor building 451 between polys 15 and 21. 26108004 BFG46432