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Regulatory Actions for Year 1990

Environmental Protection Agency (EPA)

Notice Type Title Summary of Notice NTP Information Cited CASRN
Final Rule Identification and Listing of Hazardous Waste; Wood Preserving The EPA is amending its regulations under the Resource Conservation and Recovery Act by listing as hazardous three categories of wastes from wood preserving operations.

December 06, 1990 -- 55 FR 50450
Data from the NTP bioassay on commercial grade pentachlorophenol was used for designating pentachlorophenol as a Class B sub 2 carcinogen. TR-349 87-86-5
Proposed Rule Pesticide Tolerances for Oxytetracycline This document proposes that tolerances be established for residues of the pesticide oxytetracycline in or on the raw agricultural commodities cherries and tomatoes.

August 01, 1990 -- 55 FR 31194
Data from the NTP oncogenicity study in rats fed oxytetracycline was used in support of the proposed tolerances. (TR-315) 2058-46-0
Final Rule National Primary and Secondary Drinking Water Regulations; Synthetic Organic Chemicals and InorganicChemicals EPA is proposing maximum contaminant level goals and National Primary Drinking Water Regulations for organic and inorganic chemicals.

July 25, 1990 -- 55 FR 30370
The EPA used data from the following NTP studies: di(ethylhexyl)adipate, dichloromethane, hexachlorocyclopentadiene, di(2-ethylhexl)phthalate, butylbenzyl phthalate,and tetrachlorodibenzo-p-dioxin. (TR-306) (TR-201) (TR-209) (TR-217) (TR-213) (TR-212) 75-09-2
Other Chrome Antimony Titanium Buff Rutile; Toxic Chemical Release Reporting; Community Right-to-Know EPA is denying a petition to exempt Chrome Antimony Titanium Buff Rutile from reporting under the Emergency Planning and Community Right-to-Know Act of 1986 (EPCRA)

January 08, 1990 -- 55 FR 650
Based on the 4th Annual Report on Carcinogens, the NTP considers all chromium compounds to be potential carcinogens. (ROC) N/A
Other National Primary and Secondary Drinking Water Regulations; Fluoride EPA is soliciting information that has a bearing on the current standards for fluoride in drinking water.

January 03, 1990 -- 55 FR 160
EPA notes that the NTP is in the process of completing a two-year bioassay on fluoride which may provide additional insights. (TR-393) 7681-49-4

Food and Drug Administration (FDA)

Notice Type Title Summary of Notice NTP Information Cited CASRN
Proposed Rule General and Plastic Surgery Devices; Effective Date of Requirement for Premarket Approval of Silicone Gel-filled Breast Prosthesis. FDA is proposing to require the filing of a premarket approval application for the silicone gel-filled breast prosthesis.

May 17, 1990 -- 55 FR 20568
Any PMA must include acute, subchronic, and chronic toxicity in vitro and in vivo studies. These studies should include a separate assessment of the carcinogenic risk for each substance contained in the implant. Studies should be performed in accordance with the guide-lines issued by the NTP for all aspects of conducting the assay. N/A
Notice Urethane in Alcoholic Beverages; Research and Survey Reports The FDA announced the availability of research and survey reports on urethane in alcoholic beverages.

March 23, 1990 -- 55 FR 10816
The FDA asked NTP to initiate research to provide the toxicology data necessary to estimate the risk from urethane in alcoholic beverages. 51-79-6