WEDNESDAY State of Washington, two offerings totaling $350 million of general obligation bonds.

The Federal Home Loan Banks plans to announce today the interest rates for a six-part offering totaling $5 billion.

Conrail filed a registration statement with the S.E.C. for a public offering totaling 58.7 million shares.

New financing activity continued to be brisk in the corporate market, with at least six new investment-grade issues totaling $826 million, including two 30-year offerings totaling $300 million.

Excluding mortgage-backed and asset-backed financings, only 26 offerings of nonconvertible debt, totaling $4.1 billion, were made last month, according to figures from the Securities Data Corporation.

Government agency issues expected this week include a three-part offering by the Federal Farm Credit Banks Funding Corporation, totaling $2.105 billion.

In the corporate market, new offerings totaling more than $1.1 billion were generally well received.

Diversified Corporate Resources Inc., Dallas, an offering totaling $12 million.

Port of Corpus Christi and Red River Authority, Tex., with both offerings totaling $70 million in pollution-control revenue bonds.

Only 139 such offerings totaling $12.9 billion have been brought to the market in this year's first half.