EPA has expanded its draft evaluation of 1,4-dioxane, finding the presence of the chemical as a byproduct in eight consumer products poses no unreasonable risks that must be regulated under TSCA, a win for consumer product manufacturers who had sought the expanded evaluation to preempt pending s...
to include air and water exposures on thegeneral population 鈥 an addition to the risk evaluation completed under the Trump administration that centered on work-related exposures.According to a draft supplement, 1,4-dioxane is estimated to pose a cancer risk "higher than 1 in 1 million for ...
美国环境保护署(EPA)发布了根据《有毒物质控制法》(TSCA)对溶剂1,4-二氧六环(CAS# 123-91-1)进行风险评估和确定最终风险的补充。EPA已确定该化学物质对人类健康构成不合理的伤害风险。1,4-二氧六环有可能致癌并损害肝脏和鼻腔组织。 尽管1,4-二氧六环是根据修订后的TSCA法规审查的首批十种化学物质之一,但EPA ...
but the EPA is not integrating this information to identify and protect vulnerable groups such as children, pregnant women, the elderly and workers, as required by law. For the majority of the risk evaluation documents EPA has released, EPA does not identify pregnant women, infants, children and...
Regan Touts Urgency Of 1,4-Dioxane Evaluation As Cleanup Fears Grow EPA Administrator Michael Regan is underscoring the agency's urgency in seeking to regulate 1,4-dioxane, telling lawmakers this week that officials are prioritizing evaluating the chemical to determine whether to regulate it under ...
Appendix C USEPA Region 3 and Region 9 Screening Values Section C.1 USEPA Region 3 Screening Values UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION III 841 Chestnut Building Philadelphia, Pennsylvania 19107 1 SUBJECT: Risk-Based Concentration Table DATE: 4/2/2002 FROM: TO: Jennifer Hubbard, ...
美国环境保护署(EPA)发布了根据《有毒物质控制法》(TSCA)对溶剂1,4-二氧六环(CAS# 123-91-1)进行风险评估和确定最终风险的补充。EPA已确定该化学物质对人类健康构成不合理的伤害风险。1,4-二氧六环有可能致癌并损害肝脏和鼻腔组织。 尽管1,4-二氧六环是根据修订后的TSCA法规审查的首批十种化学物质之一,但EPA ...
1.1.1 Reporting Limits for Method 8270 3 Table 1.0 Typical Reporting Limits 4 1.1.2 General Quality Control Requirements 4 Table 1.1 IDOC Requirements 5 1.2 Summary of Method 8270 6 1.2.1 Sample Extraction and Cleanup 6 1.2.2 GC/MS Analysis in Full Scan Mode 7 1.2.3 GC/MS System ...
Using ORS data, unlike point sources wherein emissions ORS Handbook, Section 1.3 Revision No: 1.0 Date: 12/01/11 Page 16 of 33 measurements are typically straightforward, a more critical evaluation of the ORS method application, the emission mechanism of the source, and the source activity is...
EPA disregards risk of 1,4-dioxane to publicdoi:10.1021/cen-09902-polcon3Britt E. EricksonChemical & Engineering News