* The Houston Post : TUC., AUG. 31, 1976 V W ; Vinyl chloride discharge, would be tiily, firm says By HAROLD SCARLETT Post Environment Writer The Diamond Shamrock Corp. told a public hearing Monday that vinyl chlo ride emissions from its new plant would be only about one-seventh of the amount permissible under proposed federal air pollution regulations.

\D- rf$harp Drop in Vinyl Chloride Exposure Is Ordered by Labor Agency for Workers By a Wall STREET JOURNAL Staff Reporter ent 50 parts per million.

INTERNAL CORRESPONDENCE UC 149- 2 CHEMICALS JTnD PLASTICS TO (NAME) COMPANY LOCATION Mr.

UNION CARBIDE CORPORATION - Chemical.- ^'Plastics 270 Park Avenue, New York, New York 10017 To': (See Attached Distribution List) Date: November 6, 1974 From: Dr.

REGISTERED MAii - south charleston plant P.Q.

^ffelephone Call fPeronica Burrows, EPA Region III, to J.

Date March 14, 1977 September 23, 1977 December 6, 1977 December 9, 1977 January 5, 1978 January 25, 1978 February 14 ( 1978 February 16, 19T&-- Reactor B-l B-5 B-l B-5 B-l B-2 B-5 B-l N i SAL Emissions, Kg VCM/Kg Product 4.9 x 10"7 3.1 x 10~6 5.2 x 10-6 7.1 x 10"6 2.8 x 10-7 4.7 x 10"7 6.6 x 10-7 3.9 x lid-6 UCC 102397

t I?

] UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION III 6th AND WALNUT STREETS PHILADELPHIA.

Environmental Protection Department South Charleston Plant August 11, 1978 From: J, 1L.

INTERNAL C RRE^gENCE Ci A1CALS AND PLASTICS CT 4 1974 P.

INTERNAL.

h CHEMICAL HYGIENE FELLOWSHIP KEY TO TOXICITY TESTS Number Name 1------------------- Peroral, single dose to standard rats 2 ------------------Peroral, single dose to other animals 3 ------------------Oral, subacute (usually 90 days or less) 4 ------------------ Oral, chronic (lifetime or 2 years) 5 ------------------Parenteral (subcutaneous, intraperitoneal, intravenous, etc.) 6 ------------------Skin Penetration, rabbits (24-hour contact under impervious sheeting) 7 -------------------Skin Penetration, rats (4-hour contact under impervious sheeting) 8 --------------- --Skin Penetration, subacute (usually less than 90 days), 1 hour contact, 5 days per week 9 ------------------ Skin Absorption (quantitative using tagged compounds) 10 ---------------- Inhalation, single--saturated vapor at room temperature, 20 to 25C -- 11 ---------------- Inhalation, single--mist (at 170C or selected temperature) 12 ---------------- Inhalation, single--fog (aerosol of 1 to 2 micron particle size) 13 -----------------Inhalation, single--measured concentration (ppm or mg/liter) 14 -----------------Inhalation, subacute (usually 90 days or less, 6 or 7 hours per day, 5 days per week 15 -----------------Metabolism, animal in vivo and in vitro on either biopsy or surgical specimens 16 ---------------- DOT Corrosive, 4-hr 17 ----------------- Rabbit Belly, irritation (single application, uncovered) 18 ---------------- Rabbit Belly, irritation (4-hour, eight applications) 19 ---------------- Rabbit Belly,' irritation via repeated application (3x daily for up to 3 days) 20 ----------------- Rabbit Eyelid, irritation, to classify bland materials 21 ----------------- Rabbit Cornea, volume and concentration to produce injury 22 ---------------- Rabbit Cornea, injury from vapor 23 ---------------- Mouse Skin Painting, for carcinogenicity 24 ---------------- Rabbit Ear, chloracne formation 25 ----------------- Guinea Pig, Landsteiner (sensitization via intradermal or topical appli cation) 26 ---------------- Human Patch Test (sensitization) 27 ---------------- Organoleptic Tests 28 ----------------- Wear Test (FDA) , miscellaneous irritation and wound healing 29 ---------------- Bacteriology, miscellaneous biochemical tests 30 ---------------- 3-Generation Reproduction and Lactation 31 ---------------- Teratology 32 ---------------- Mutagenicity 33 ---------------- Demyelination 34 ---------------- Cholinesterase and/or other Enzyme Studies 35 ----------------- Joint Action, to detect potentiation or antidotal response 36 ---------------- Literature Reviews 37 ---------------- Endotracheal Injection 38 ---------------- Pyrolysis (identification and toxicity studies) RNW 0424 January, 1976 * Chemical Hygiene Fellowship Carnegie-Mellon Institute of Research Carnegie-Mellon University 4400 Fifth Avenue Pittsburgh, Pennsylvania 15213

Remote Manual Station (RMO-l), (RMO-ll), (RMC-3), & These stations are Copes-Vuloan model AM-4 Auto Manual Type.

ABD00066160 State of Mississippi Air Pollution Control PERMIT TO CONSTRUCT AIR EMISSIONS EQUIPMENT THIS CERTIFIES THAT Conoco Chemicals Company New Highway 25 Aberdeen, Mississippi has been granted permission to construct air emissions equipment to comply with emission limitations, monitoring requirements and other conditions set forth herein.