The loading incorporates the concentration and amount of dust collected per area of carpet sampled (i.e., concentration multiplied by the total dust collected per square meter of carpet) and is postulated to be a more accurate indicator of exposure for small children (Bradman et al. 1997; Lanphear et al. 1996).
All you do is type in the length and width of the area plus the price of the carpet per square yard, hit the estimate button, and wait for the figures to come up.
Values for both PAHs per gram of dust and PAHs per square meter of carpet vacuumed were available.
Table 3 provides Spearman rank correlations (ρs) between estimated density of agricultural pesticide use (kilograms per square kilometer) and pesticide concentrations in carpet dust (nanograms per gram) for the seven pesticides according to distance from the residence (500 or 1,250 m) and time period (180, 365, or 730 days).
We also calculated the chemical loading, an estimate of the amount of chemical per square meter of carpet, by multiplying the concentration of the chemical by the dust loading (amount of fine dust collected divided by the sampled area).
Best buys: Wool carpet, from £60 per square metre, from Crucial Trading (www.crucial-trading.com).
Face weight, for example, indicates the weight per square yard of the carpet's pile.
Regulations provide further motivation: California recently started collecting a recycling tax of 5 cents per square yard on new carpet sales.
Let him or her know your quandary; the difference between your two choices of carpet is £15 per square metre (including variances in carpet price, gripper rods and underlay).
If we wanted anything there were eletric buzzers at our feet, one per person, wired under the carpet, which we could step on, and the maid would come running from the kitchen.
