|] — ae o. . ground during passage of the shock wave. This resulted Decreasing the ‘contribution would increase the X value at this station. The beach stations, 19 and 20, hed a higher decay exponent, averaging 1.23. “8 e4AN calculated using a straight aT7te3 expression. LC. ina smaller contribution from the previous residual than that This is natural since tidal washing seaoval of contamination is added to the normal decay in the tecay factor obtained. Station 16 is a bluff station which sees the beach on Thus, it lies somewhat between the land and beach “ations in decay exponent. = Attention is called to the report in which station 16 was anslysed with the land "ations and produced the highest decay exponents of any of the I ate ee eee mn aye tons, . mae my ” Ve tata bee Et ee el 8 wet Om oul et AS ee eee MELE a a aaa iethe me side. BEST AVAILABLE Copy on. pw me wees