We are looking for 2-3 articles per month to communicate to our diverse client base. General topics would include: Sustainability, Indoor Air Quality, Green Offices, etc.  Technical articles would include environmental compliance issues such as AHERA, NESHAPS, Asbestos and Mold, NEPA,  SPCC, Brownfield Remediation; Phase I & II ESA's, OSHA regs, etc.  We are looking for an occational white paper and articles no more than 500-1000 words.

Update:
I'm looking for 24-36 articles per year on an ongoing basis to send out in newsletter form (among others) to a diverse network of clients, whose interests in the environmental field varies.  These articles should target their particular interests. Sustainability, Green Building, Environmental Hazards (asbestos, lead, mold, IAQ, etc) There would be some technical articles dealing with regulatory compliance (SPCC, AHERA, NESHAPS, Clean Air, Water, etc)

Word count or per page would be good for a quote