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Notice of Proposed Rulemaking, Title 27, California Code of Regulations, Amendment to Section 25705 - Specific Regulatory Levels Posing No Significant Risk: 4-Methylimidazole (4-MEI)

Proposal to establish a specific regulatory level posing no significant risk for 4-methylimidazole (4-MEI) of 16 ug/day

Amendment of Sections 25305, 25701, 25705, and 25801 Science Advisory Board: No Significant Risk Levels, No Observable Effect Levels

These amendments clarify that scientific peer review for No Significant Risk Levels for carcinogens and Maximum Allowable Dose Levels for reproductive toxicants proposed by OEHHA are provided by two Science Advisory Board Committees.

Amendment to Section 25705(b) No Significant Risk Level (NSRL) for Tris(1,3-Dichloro-2-Propyl) Phosphate (TDCPP)

Adoption of the NSRL of 5.4 ug/day for tris (1,3-dichloro-2-propyl) phosphate.

Notice of Proposed Rulemaking Title 27, California Code of Regulations Amendment to Section 25705 Specific Regulatory Levels Posing No Significant Risk: Tris(1,3-Dichloro-2-Propyl) Phosphate (TDCPP)

Proposal to adopt a No Significant Risk Level (NSRL) of 5.4 micrograms per day (µg/day) for tris(1,3-dichloro-2-propyl) phosphate (TDCPP)

Proposed Amendment To Section 25707(B), Route of Exposure: Hexavalent Chromium (VI)

This amendment would remove the reference to hexavalent chromium in Section 25707(b)(4) as posing no significant risk when ingested, based on recent scientific findings that establish that chromium (hexavalent compounds) can be carcinogenic by the oral route.

Notice of Proposed Rulemaking Title 27, CCR Amendment to Section 25705 Specific Regulatory Levels Posing No Significant Risk and Amendment to Section 25805 Specific Regulatory Levels: Chemicals Causing Reproductive Toxicity: Polychlorinated Biphenyls

Proposal to adopt an updated No Significant Risk Level (NSRL) for polychlorinated biphenyls (PCBs) of 0.35 micrograms per day. OEHHA also proposes to adopt a Maximum Allowable Dose Level for PCBs of 2.3 ug/day.

Notice of Proposed Rulemaking, Title 22, California Code of Regulations, Proposed Amendment To Section 12705 and Section 12805

Proposal to establish specific regulatory levels posing no significant risk for chloroethane; di(2-ethylhexyl)phthalate (DEHP); lead; lead acetate; lead phosphate; lead subacetate; methylhydrazine; methylhydrazine sulfate; 5-morpholinomethyl-3-[(5-nitrofurfurylidene)-amino]-2-oxazolidinone; MX (3-chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone); phenylhydrazine; phenylhydrazine hydrochloride; polygeenan; carbazole; MeIQ (2-amino-3,4-dimethylimidazo[4,5-f]quinoline); MeIQx(2-amino-3,8-dimethylimidazo[4,5-f]quinoxaline); methyl carbamate; 4-(N-nitrosomethylamino)-1-(3-pyridyl)-1-butanone; and trimethyl phosphate

Status Report on No Significant Risk Levels for Carcinogens and Maximum Allowable Daily Levels for Chemicals Causing Reproductive Toxicity

Availability of the status report on No Significant Risk Levels for carcinogens and Maximum Allowable Daily Levels for chemicals causing reproductive toxicity.

Notice of Adoption of Text Title 27, California Code of Regulations Amendment of Section 25705 Specific Regulatory Levels: No Significant Risk Level Bromoethane

OEHHA adopts a No Significant Risk Level of 96 micrograms per day for exposures to bromoethane

Notice of Proposed Rulemaking Title 27, California Code of Regulations Amendment to Section 25705 Specific Regulatory Levels Posing No Significant Risk: Bromoethane

OEHHA proposal to adopt a Proposition 65 No Significant Risk Level (NSRL) of 96 micrograms per day for bromoethane

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