Preliminary Assessment Information

All the PMBs are Hsted on the U.S. EPA s Toxic Substances Control Act NonConfidential Chemical Substances Inventory (Table 8). In the early to mid-1980s, pseudocumene, mesitylene, hemimellitene, and trimethylbenzene were coveted by TSCA Section 8(a) Preliminary Assessment Information Rule (PAIR) reporting requirements (22) and by TSCA Section 8(d) for health and safety data (23). Mesitylene is the subject of a test rule subacute oral toxicity and subchtonic oral toxicity in tats were underway in 1994 (24). The Safe Drinking Water Act (SDWA) allows monitoring for pseudocumene and mesitylene at the discretion of the State (25). Of the PMBs, only pseudocumene is subject to SARA Tide III section 313 annual release reporting (26). 

Preliminary Assessment Information Reporting Rule Yes EPA 1995a (40 CFR 712.30)... 

TSCA chemical information rules manufacturers and importers must submit a Preliminary Assessment Information Manufacturers Report for each site at which they manufacture or import each substance by the reporting date shown... 

EPA OTS Preliminary assessment information rul e Health and safety data reporting rul e Final test rule... 

EPA. 1993. Preliminary assessment information and health and safety data reporting addition of chemicals. Washington, DC U.S. Environmental Protection Agency, Federal Register 58(246) 68311-16. 

TSCA 8(a) authorizes EPA to promulgate rules requiring manufacturers and importers of certain chemical substances and mixtures to maintain records and submit reports of production volumes, distribution, use, and human exposure under the Preliminary Assessment Information Rule (PAIR) and Inventory Update Reporting (lUR) Rule ... 

C.F.R. 712.28(a). The PAIR form is EPA Form No. 7710-35, Manufacturers Report Preliminary Assessment Information, available at http //www.epa.gov/oppt/chemtest/pubs/ pairform.pdf. 

Other TSCA information gathering requirements are triggered by a chemical s appearance on the Priority Testing List. The Preliminary Assessment Information Reporting (PAIR) regulations mandate that EPA require manufacturers and importers to submit PAIR information on chemicals that the ITC recommends for consideration. The PAIR rule requires a quick and dirty collection of readily obtainable information on a chemical s use and properties. Similarly, the 8(d) health and safety study regulations require... 

Fed. Reg. 57439 (Sept. 29, 2006) Withdrawal of Certain Chemical Substances from Preliminary Assessment Information Reporting and Health and Safety Data Reporting Rules 71 FR 57439 HPV 9-29-06... 

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