Water samples are periodically analyzed for total bacterial counts and for the presence ofcoliforms, lead, and other contaminants.

Cur.o* FIY JR8 TiMphwie: mom 101-4*44 HctknlUi 140)) ISO-3445 HEAD OFFICE 3333 Aqjentia Road, Sulla 30* Miniuaiiga, Ontario, Canada 15 N 2X7 Telephones 14161 $43-2900 FiciimHes (416) 542-1011 HALIFAX OFFICE 19 Uurentiui Drive Hittlu, Nov* lead*.

Water sanples are periodically analyzed for total bacterial counts and for the presence of coll forms, lead, and other contaminants.

DO Dow Confidential 07/17/92 LIQUEFACTION AREA POTENTIAL PROBLEMS CL2 LEAK INTO R-12 REFRIGERATION SYSTEM (C-520 LEADING TO REACTION WITH COMPRESSOR OIL) .

Q Total metal LESS THAN or AC' (Parts Per Million) Arsenic 0< 5 < 500 Banum < 100 Cadmium Chromium < 1 < 100 a< 5 :%_--______________________________________________________________________ Lead (2< 5 < 500 __ -------------------------------------------------M---e--r-c--u-r-y------------- --0---<-----0--.2---:%< 20 __ ________ -- . __________ :________ % Selenium 0< 1 < 100 _____ __________________________________________________ :% Silver a< 5 _.--.--_____________________________________ :% P'ease note*.

W ater samples are periodically analyzed for total bacterial counts and for the presence of coliforms, lead, and other contaminants.

These new revelations cast doubt on the safety of all hazardous waste incinerators, and could conceivably lead to charges of criminal wrongdoing by some EPA offi cials.

Metal below 10ppm 10lOOppm 100250ppm 250600 ppm >600ppm Antimony Arsenic Barium Cadmium Chromium Cobalt Copper Lead Manganese Mercury Selenium Silver Zinc ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ ________ VVV 000011795 Technical Manager Vista Chemical Company X2-2740 Catapol D (Must be approved) Page 4 - Enclosure SECTION XI Component Information Component Number (from Section I); _______1________________________ Common Chemical Names Boehmite; Aluminum Hydroxide Oxide 1.

Water samples are periodically analyzed for total bacterial counts and for the presence of coliforms, lead, and other contaminants.

INSIDE THIS ISSUE Policymaking Profiles The International Life Sciences Institute focuses on science, shuns policy..........................p25 The new Risk Assessment & Policy Association comes to a defining moment................................. p24 EPA Senior Scientist Alan B.

Health Hazard Identification and Evaluation Hazard Communication Hazwoper Medical and Exposure Records Respiratory Protection Hearing Conservation Lighting and Ventilation Benzene VCM Lead Ethylene Oxide Asbestos Radiation Laboratory VVV 000006127 RESPIRATORY PROTECTION MAJOR CATEGORIES SCORING SYSTEM Category 1.

Health Hazard Identification and Evaluation Hazard Communication Hazwoper Medical and Exposure Records Respiratory Protection Hearing Conservation Lighting and Ventilation Benzene VCM Lead Ethylene Oxide Asbestos Radiation Laboratory VVV 000006180 Dn.g ^ RESPIRATORY PROTECTION MAJOR CATEGORIES SCORING SYSTEM 1.

A suspended'compound- consisting of .pure metal lic lead -powder blended with a nonvolatile hydro carbon carrier.

SAMPLE IDKBER A97-0345 DEM-01 DESCRIPTION SINTER PLANT BACKGROUND TIME 105 PLOXRATE TOLBXE 10.50 1102.5 PIBER/CC .03 A97-0346 DEH-02 SINTER PLANT ABATEMENT 130 12.0 1560 .07 A97-0347 DEH-03 A97-0348 DEH-04 LEAD FLUE ABATEMENT FIELD BLANK 140 12.0 1680 0 00 .05 6.4 t/aa"2 A97-0349 DEN-05 FIELD 8LANK 0 00 5.1 Method Used: NIOSH 7400, Issue 2.

Health Hazard Identification and Evaluation Hazard Communication Hazwoper Medical and Exposure Records Respiratory Protection Hearing Conservation Lighting and Ventilation Benzene VCM Lead Ethylene Oxide Asbestos Radiation Laboratory VVV 000006180 Dn.g ^ RESPIRATORY PROTECTION MAJOR CATEGORIES SCORING SYSTEM 1.