Document wq48joQ2g8XneNoeaR2w6YXyQ

j!3 - 3 RETENTION CODE SfifcbOOii'uMirAi nnniMFWT B.F.GOODRICH COMPANY TECHNICAL REPQRpRQJECT REPORT ^ UDLUMENT Ti tiee PERMANENT RECORD. CORLY3 Volatiles from a Series of CPVC Samples Author R. E. To: A. J. Summary Harris, R. P. Lattimer Olson, R. G. Vielhaber Location ______ Brecksville R&D Center, D/8510 Location Brecksville R&D Center, D/8546 Date May 12, 1981 Project No. 7712-81 Volatile compounds from several chlorinated PVC resin samples, including two non-BFG products, were identified by headspace-gas chromatography-mass spectrometry (HS-GC-MS). Some comments are made regarding procedures for quan titative analysis of residuals and water-extractables from CPVC. j. j. ju y. Jf ft ju The various CPVC resins listed below were submitted to identify residual volatile compounds: MS 1507 MS 1508 MS 1509 MS 1531 MS 1532 MS 1533 MS 1534 MS 1535 MS 1536 MS 1579 633 x 561 Lot 2 Hunter's RMS-149 Rhenoflex 22 T-1482 T-382 603 x 560 605 x 560 623 x 563 625 x 563 627 x 563 THE B, F. GOCH! CO. JUN Oi 1981 RESEARCH LIBRARY The initial step was to heat the resin in a sealed, nitrogen-filled vial at ~160C to enrich the headspace with the low-boiling residuals. A portion of the headspace was withdrawn with a gas syringe and injected into the gas chroma tograph to separate the components. Substances eluting from the GC were moni tored and identified by mass spectrometry (Varian MAT 311A system). The labeled chromatograms are attached. All samples contained halogenated Ct and C2 compounds. Chlorofluoroethane, alkyl benzenes, and other minor components were seen in some samples. The presence of benzene, chlorobenzene and hydrogen chloride in the non-BFG samples may indicate that some decomposition took place upon heating. These decomposi tion products were not seen in any BFG sample. Experimental conditions for HS-GC: column: 12' x 2 mm ID glass SP2100 program: 40 to 220C at 5/min HS: 1-2 mL injection; sample heated at ~160C for 20-30 min. prior to sampling Log Book Reference: " -- --" SB630, pp 106, 124, 139; MS 1507, 1508, 1509, 1531, 1532, 1533, 1534, 1535, 1536, 15 Distribution: R.S*Q-,F.LlesJ D. E. Ley - Akron R. F. Koebel - E. G. DeCapita C. E. Hoover - Akron, D/3315 J. A. Nikora - ALTC - ALTC C. H. Lufter - J. B. Pausch P. M. Zakriski 21124001 T -r 2 VA This work was qualitative in nature. Quantitative analysis of residual CHClj and CC14 in CPVCs has been performed by solution analysis (DMAC solvent) using gas chromatography with election capture (EC) detection.1 An alternate method of analysis that has proven successful is headspace gas chromatogra phy.2'3 Headspace GC has several advantages (compared to solution GC) for analysis of polymer residuals; therefore, this technique should be considered for future work on CPVC residuals. A recent meeting report regarding the analysis of water extractables from CPVC contained the following paragraph:4 "In order to analyze for several of USEPA's priority pollutants, the most cost effective way appears to be purchasing a Finnigan GC/MS, according to Zakriski. The going outside lab costs for one sample injected into a Finnigan GC/MS for measurement of 70 compounds is $1,000. The Finnigan costs $150,000 installed and can be run by a technician. Because CHC13 and CC14 are at substantially higher levels in our CPVC pipe compounds than the 139 priority pollutants, quantification of the priority pollutants will not be undertaken at present. If and when we do want to measure such com pounds, we should consider buying our own Finnigan." For the record we wish to clarify some of these statements: 1. The Finnigan GC-MS system is a cost effective way to analyze organics in water5, but only in laboratories where the instrument is dedicated to this type of analysis. The quantitative analysis procedures are tedious and time-consuming. Essentially all laboratories that do GC-MS water analysis use one or more instruments full-time for that purpose. 2. The cost of the Finnigan system designed specifically for water analysis (0WA) is -$90-100K, not $150K as stated above.4 The "research-grade" Finnigan instruments (4000 series) are more expensive (~$150 - 200 K). 3. While it is true that the Finnigan OWA system can be "run by a techni cian,"4 any mass spectrometer system needs strong technical and maintenance support to function effectively.5 A GC-MS system is a very complex instru ment that requires great care and skill in operation. 4. BFGoodrich should consider buying a GC-MS system for water analysis only if (a) there is sufficient work load to utilize the instrument full-time far water analysis, and (b) a qualified technical person is assigned to assume responsibility for operation and maintenance of the system. R. Edgar Harris Robert P. Lattimer References 1. C. E. Hoover, "CPVC Chlorinated Hydrocarbons Testing Update: CHT-UP, Issue 01," April 1, 1981. 3 2. J. B. Pausch, "Trace Analysis for Carbon Tetrachloride in Geon Hi-Temp Resin Using Headspace Sampling and FID - Gas Chromatography," Project 7719-75, March 14, 1975. 3. J. B. Pausch and I. Sockis, Rubber Chem. Technol.. 50, 828(1977). 4. A. J. Olson, "CPVC - Extractables from Potable Water Pipe," Meeting Report, March 10, 1981. 5. R. E. Finnigan, D. W. Hoyt, and D. E. Smith, Environ. Sci. Technol., 13, 534(1979). Ik 78E COOVZTTZ ^33 X 56( Lot <3 <2 --1C? o H i i'i 1 footarrz W 3 900fcZTTZ I 600ZZTTZ gOOVZTTS o J5 ' -? '-1 CO CM CM rruj 5= GOOfrZTTZ 09.S V %o) OTOfcZTTZ L ITOfrZTTS S.U4 CD 2 ^ U iCnM R I I 50 2:39 100 5:09 150 7:39 200 10:00 250 12:30 300 15:00 359 17:30 SC.M1 TIME ZTOfroTTS <N l, '9M ft 563 o9 21124013