Synthetic organic chemicals.

Mode of access: Internet.

The coloring of post-war synthetic fibers /

Mode of access: Internet.

An economic analysis of effluent standards for BOD, ammonia, total suspended solids, and disinfection : case study of a modern treatment plant /

"Project no. 80.160."

An Economic impact study of petition for regulatory relief from phosphorus effluent limits, city of Pana : R84-44 : final report /

"Printed: April 1988."

Economic impact of a proposed change in the ammonia effluent standards, R77-6 /

"Project no. 80.094."

Economic impact of proposed water quality and effluent standard amendments for water in the Sangamon River Basin /

"November 1986."

Evaluation of effluent regulations of the State of Illinois : report to the State of Illinois Institute for Environmental Quality /

Project no. 20.070B

Illinois synthetic fuels facilities siting survey : Perry County /

Bibliography: p. 119-120.

Synthetic fuels : how will Illinois fare?

Cover title.

Technology assessment of wastewater treatment alternatives for compliance with deoxygenating wastes effluent standards : final report /

"Project 87/7012."

The economic impact of total dissolved solids effluent standards in Illinois /

Project no. 20.073.

Introduction to the national arithmetic : on the inductive system : combining the analytic and synthetic methods with the cancelling system : in which the principles of arithmetic are explained and illustrated in a familiar manner : designed for common schools /

Mode of access: Internet.

Introduction to the national arithmetic : on the inductive system : combining the analytic and synthetic methods with the cancelling system : in which the principles of arithmetic are explained and illustrated in a familiar manner : designed for common schools /

At head of title on cover: Greenleaf's introductory arithmetic.