ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyi)acmeatyaatles;obe referretdo as PFOSAA, FC-128 or as themajor component of FC-127,FC-129, FC-109, or FC-109-X.

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NEG.

ARCHITECTS' SPECIFICATIONS FOR United States Gypsum Company's No Lime Trowel Sand and Float Prepared Finishes Specifications for Prepared Trowel Finishes 1-- Trowel Finish to be United States Gypsum Com pany's (Brand.)

taken of the employe* and read by Dr.

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Et h y l Ga s o l i n e Co r po r a t i o n 25 BROADWAY NEW York September 29, 1928 Dr.

New Withdrawal, Stock Purchase and Loan Privileges Available in Revised Thrift Plan Regulations governing three new features of the revised Thrift Plan, which went into effect January 1, have been announced by the Fund's Trustee.

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American Society.of Heating and Ventilating Engineers Guide, 1924-25 Vent toAtmosphere Run to Air above Roof Pump Control Valve Discharge from Pump to Tank Steam to (J.

American Society of Heating and Ventilating Engineers Guide, 1924-25 TABLE 72.

American Society of Heating and Ventilating Engineers Guide, 1925-26 Table 72: Size of Plain and Hydro-Pneumatic Tanks Compensation Lb. per Hr. 4000 5000 8000 10,000 16,000 24,000 34,000 45,000 60,000 Sizes of Plain and Hydro-Pneumatic Tanks For Air Separator only For Air Separator and Water Storage Diameter In. 12 12 18 18 24 30 24 36 36 42 .36 42 42 Length In. 24 36 30 48 48 48 72 60 72 60 96 72 96 Diameter * In. 24 ' 24 24 30 30 36 36 36 42 42 48 48 Length In. p 36 48 72 48 60 60 72 96 72 96 72 96 LIFT FITTINGS Lift fittings are special devices used in pairs at points in a vacuum heating system where condensation is to be lifted to a higher level.

32.2 36.9 D ry Bulb ` e m p .T 32.2 31.5 37.4 36.8 40.4 44.0 46.1 48.0 American Society of Heating and Ventilating Engineers Guide, 1925-26 100.0 100.4 101.3 101.8 100 > H 0o too\ >Cd OS 0v . < H OO o OOO 89.0 90.0 90.4 91.7 92.5 93.4 ot-io^j tOov tOot tOov v tO-v ro vo 10 r-. r- to v 00 Ov O0 00 00 00 00 00 Ov 'OOvor-r-r-cNt-CM~H rt--otr---^odrt---^oCo JooeogO^otOoeoo^Ov as O U VrO C^tO^OCOtO*-H - fc^s.t^^<r^^t-tto^t>^to^d*oo<ooSoTojotoooovo fONr'OiOvOTj'iOvtqt^'O *-- OV^H<OTj5tO*^OV-HPO'tOO '*x.*-.t-e*r>r--r-oooooooO oor4to'0toior-iOT*fOooo re^g. v'O'Ood'O(vN-Negt^roh^>vr*alNd>00e0g0t0o0oedo oor*tor-totototototofoo eO- ^O*tOo'O^oO6o'Ovl--^N'(ls^NoMto^tO^OoiO^OI tOo O $ w vvOO 3 Va. 0 CN Cd vO K s u W 0to0 VJ H vVOO t^tH'O00*-i>or*O'O'O^Oci0'0OO v--Jto^?'

ROBERT J.

September 19. 19/9 tujk'.jjxj i*Oi J5_ Pace 10 j MARTI// PRAISES ERA'S USE OF CHEMICAL RELATIVE RISK ANALYSIS Environmental Protection Agency found a new ally last week in Congressional chemist Rep.