Without environmental protection and regulation, 1  Industry would have unlimited ability to produce chemicals for use as pesticides, additives, etc without being required to measure their effects on people or their accumulation in water or soils and their impact on the ecosystem.
Bowel obstruction usually presents with colicky pain, abdominal distension, vomiting and constipation. Abdominal xray in erect posture will confirm the diagnosis. So if you have the above symptoms report to ER to rule out intestinal obstruction.
The presence of bile in the vomit should always raise the concern of bowel obstruction. Any obstruction of the small intestine, even as far as the the jejunum and ileum of the small intestine, will usually cause the expulsion of intestinal contents which have already mixed with bile in the duodenum.