Wahlco Environmental Systems Reports $517,000 1st-Quarter Loss

Wahlco Environmental Systems Inc., a Santa Ana manufacturer of air pollution control and power efficiency equipment, posted a first-quarter loss of $517,000, or 3 cents a share, compared with a net loss of $3.6 million, or 20 cents a share, for last year’s first three months. Quarterly revenue declined 3% to $15.9 million from $16.4 million.