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nJ i : E. 1. bu Pont bE NoEMeOURS & Company
PanxEns0a.unaB.oxW.12V1a7. zet01 PoLymen rmocucTS oEsaRTHENT
ce:
E. D.
H.R,
Champney, Jr.
Graef - iln.
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D11070
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PF.ileT:hist8l5eton
Aez26-/649
peal 24, 1981
To: FF.AIAR.FIEFLLDU,EGGCET - F&F DEPT.
RPEACR'AD
FROM: Cr.axSz.asCsOuPrEs,- PwoPD EOF P
EAPE R28 1981 5
ANALYSES OF TEFLON FELT SAMPLERS FO=R Ei
RESIDUAL -8 FLUOROSURFACTANT
syouur.factTahnetmAestchheroedsqaumoepflseatsneadvlo,eyfsihbslaevaeccohnaesndiasltyaeznddeduoffnobrlfeirarceahtseiddbouiaTllEiFnLCgO-8NDtAhePfEeClstamfpslluuepospriolfend by ndoinliuotneicaquveaotucsingphoagsepnhto,ric"Traicitdon"solX-u1t0i0o)n a(nidn tchoendepnrseisnegncetheofo&venrohmevaodlavtaiploer,, Tbhyeadicshtliollraotfeo,rasf/tbeldryuneeucotlroarliiazeattriiocn weixtthrac0t.iIoNn mNeatOhF,od.vasWhainlaelyzcehde mfeotrhoCd-5 4l8enntotC-8spAePcEiCfic(MfoHo.r C=-8431A)P.FC, the results are expressed in terms of equiva
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Felt Type Approx.IncThheisckness, PpBmase(dWe.o)n DofryESauaimvp.leC-V8edAghPtEC
XT-7700 (unbleached)
0.035
35
T-7800 (s1eached)
0.062
0.7
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they also contain "no significant residual FC-13n
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There's a world of tings we're doing something about
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EID217112.TIF (2544x3266x2 tiff)
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EIDZ171i3.TIF (2544x3265x2 tiff)
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